Zoology Past Papers Most Important MCQs Quiz for Test Preparations and Exams Test. You can Prepare your test Quiz using these Important Questions Solved with answers.
ZOOLOGY COMPULSORY QUESTION
7. Write only the correct answer in the Answer Book. Do not reproduce the questions.
(A) Which of the four options make the following statement correct? On your answer books just write the question number and one of the serial alphabets.
(1) Insects are characterized by:
(a) 3 pairs of legs
(b) Two pairs of antennae
(c) Wings on body
(d) Large sized eggs
(e) None of these
(a) 3 pairs of legs
(2) Body is metamorically segmented in:
(a) Porifera
(b) Annelida
(c) Coelentrata
(d) None of these
(b) Annelida
(3) Which of the following arthropod are totally aquatic?
(a) Crustaceans
(b) Insects
(c) Milipedes
(d) None of these
(d) None of these
(4) Dorsal tubular nerve cord is characteristic of:
(a) Some chordates
(b) Some non chordates
(c) All non chordates
(d) All chordates
(e) None of these
(d) All chordates
(5) Opposable thumbs are characteristic feature of:
(a) Lagomorpha
(b) Primates
(c) Edentata
(d) None of these
(b) Primates
(6) Differences in the scales of fishes and reptiles lies in their being:
(a) Endodermal and dry
(b) Epidermal and dry
(c) Epidermal and wet
(d) Endodermal and wet
(e) None of these
(b) Epidermal and dry
(7) Which of the following has oxygenated blood?
(a) Renal veins
(b) Pulmonary veins
(c) Pulmonary artery
(d) Hepatic portal veins
(e) None of these
(b) Pulmonary veins
(8) Scapula is the bone of:
(a) Skull
(b) Pelvic girdle
(c) Pectoral girdle
(d) Vertebral column
(e) None of these
(c) Pectoral girdle
(9) All the digestive are formed in vertebrates by:
(a) Ectoderm only
(b) Endoderm only
(c) Mesoderm only
(d) None of these
(b) Endoderm only
(10) Ammonia is chief excretory product in
(a) Reptiles
(b) Turtles
(c) Mammals
(d) Fish
(e) None of these
(d) Fish
(B) Check which of the following statements are true or false. On your answer sheets just write the question number and T or F.
(11) Coelme is lined by ectodermal epithelium false
(12) Non-chordates are dissected from dorsal side. true
(13) All snakes are poisonous. false
(14) Mouth in sharks is located on anterior side. true
(15) Frogs have 3 cervical vertebrae. false
(16) Contractile vacuole in protozoa is basically an excretory organ. tru
(17) Nerve cord in chordates is Endodermal in origin. false
(18) Whale is the largest mammals living in sea. true
(19) Both male and female mosquitoes bite and carry parasites. false
(20) The gammules are produced in coelenterates. false
COMPULSORY QUESTION
8. Write only the correct answer in the Answer Book. Do not reproduce the questions.
(1) Life originated during:
(a) Pre-cambrian period
(b) Mesozoic era
(c) Coenozoic era.
(d) Proterozoic era
(e) None of these
(a) Pre-cambrian period
(2) Pancreas secrete:
(a) Pepsin
(b) Only hormones
(c) Only enzymes
(d) Both (a) and (b)
(e) None of these
(e) None of these
(3) Louis Pasture is known for:
(a) Germ theory of disease
(b) Germ plasm theory
(c) Mutation theory
(d) Cell theory
(e) None of these
(a) Germ theory of disease
(4) Life originated:
(a) In air
(b) On land
(c) In water
(d) In all (a), (b) and (c)
(e) None of these
(c) In water
(5) Virus are:
(a) Unicellular
(b) Acellular
(c) Multicellular
(d) Free living
(e) None of these
(e) None of these
(6) Wings of insects and bats are examples of:
(a) Homologous organs
(b) Analogous organs
(c) Both (a) and (b)
(d) Vestigial organs
(e) None of these
(b) Analogous organs
(7) Archeopteryx is a connecting link between:
(a) Amphibians and reptiles
(b) Reptiles and birds
(c) Birds and mammals
(d) Amphibians and birds
(e) None of these
(b) Reptiles and birds
(8) Lamarck’s theory of Evolution is based upon:
(a) Effect of environment
(b) Use and disuse of body parts
(c) Inheritance of Acquired characters
(d) All of these
(e) None of these
(d) All of these
(9) Absorption of digested food occurs mainly in:
(a) Colon
(b) Small intestine
(c) Large intestine
(d) Stomach
(e) None of these
(b) Small intestine
(10) A renal portal system is found in:
(a) Man
(b) Horse
(c) Rabbit
(d) Frog
(e) None of these
(d) Frog
(11) Tangoreceptors respond to:
(a) Heat
(b) Smell
(c) Chemicals
(d) Touch
(e) None of these
(d) Touch
(12) Third ventricle is found in:
(a) Brain of Rabbit
(b) Heart of Rabbit
(c) Kidney of Frog
(d) Heart of Frog
(e) None of these
(a) Brain of Rabbit
(13) Blood from glomerulus returns by:
(a) Afferent renal arteriole
(b) Efferent renal arteriole
(c) Both of these
(d) Renal vein
(e) None of these
(b) Efferent renal arteriole
(14) Vital morphological and Physiological units of Mammalian Kidney are:
(a) Ureters
(b) Seminiferous tubules
(c) Uriniferous tubules
(d) All of these
(e) None of these
(c) Uriniferous tubules
(15) Which of the following secretes Oxytocin:
(a) Adrenals
(b) Pituitary
(c) Thyroid
(d) Ovaries
(e) None of these
(b) Pituitary
(16) Longest cells in animals are:
(a) Nerve cells
(b) Egg cells
(c) Kidney cells
(d) Liver cells
(e) None of these
(a) Nerve cells
(17) Function of centromere is to:
(a) Initiate cell division
(b) Inhibit cell division
(c) Provide site for cell division
(d) Do all of these
(e) None of these
(c) Provide site for cell division
(18) Which of the following has extranuclear DNA:
(a) Mitochondria
(b) Lysosomes
(c) Golgi complex
(d) All of these
(e) None of these
(a) Mitochondria
(19) Who gave laws of segregation and Dominance?
(a) Mendel
(b) Morgan
(c) Darwin
(d) Muller
(e) None of these
(a) Mendel
(20) Adrenal glands are found in close association with:
(a) Testes
(b) Spleen
(c) Liver
(d) Ovaries
(e) None of these
(e) None of these
Paper I
COMPULSORY QUESTION
7. Write only the correct answer in the Answer Book. Do not reproduce the questions.
(A) Which of the four options make the following statement correct? On your answer books just write the question number and one of the serial alphabets. (10)
(1) The mode of nutrition in AMOEBA is:
(a) Holozoic
(b) Saprozoic
(c) Saprophytic
(d) None of these
(a) Holozoic
(2) The coelom in PLATYHELMINTHYES is:
(a) Pseudocoele
(b) Haemocoele
(c) Metacoele
(d) None of these
(a) Pseudocoele
(3) EXCRETORY organs in earthworms are:
(a) Nephron
(b) Flame cells
(c) Malpighian Tubules
(d) Nephridia
(e) None of these
(d) Nephridia
(4) Foot is used as an organ of locomotion in which of the following animals?
(a) Freshwater mussel
(b) Octupus
(c) Sepia
(d) None of these
(a) Freshwater mussel
(5) Which group of animals out of the following is DIPLOBLASTIC?
(a) Platyhelminthes
(b) Echinodermata
(c) Coelenterata
(d) None of these
(c) Coelenterata
(6) Which of the following has the maximum of oxygenated and de-oxygenated blood in the ventricle of its heart?
(a) Fish
(b) Frog
(c) Crocodile
(d) None of these
(b) Frog
(7) Reptiles are:
(a) Oviparous
(b) Viviparous
(c) Ovo-viviparous
(d) None of these
(a) Oviparous
(8) The urea formation in mammals takes place in:
(a) Kidneys
(b) Spleen
(c) Liver
(d) None of these
(c) Liver
(9) Vertebrates in which placenta is formed during the development of fetus are:
(a) Reptiles
(b) Aves
(c) Mammals
(d) None of these
(c) Mammals
(10) Lymph most closely resembles with:
(a) Plasma
(b) Interstitial fluid
(c) Blood
(d) None of these
(a) Plasma
(B) Check which of the following statements are true or false. On your answer sheets just write the question number and T or F. (10)
(11) Archaeopleryx is a missing link between birds and reptiles. T
(12) Skin of frog has well-developed sweat glands. F
(13) True Coelom develops from endoderm. F
(14) Archenteron develops during blastula stage. F
(15) The Trypanosoma causes the disease called “sleeping sickness”. T
(16) Snakes can listen and enjoy music. F
(17) Echidna is an egg-laying mammal. T
(18) Herbivores have more pointed teeth than carnivores. F
(19) Reptiles are warm blooded animals. F
(20) The body cavity in arthropods is a haemocoel. T
COMPULSORY QUESTION
8. Write only the correct answer in the Answer Book. Do not reproduce the questions.
(1) Many humans become ill by consuming milk products because they lack:
(a) Bacteria in their intestines
(b) Rennin
(c) Hydrochloric acid
(d) Lactase
(e) None of these
(d) Lactase
(2) Which of the following process cause substance to move across membranes without the expenditure of cellular energy?
(a) Endocytosis
(b) Active transport
(c) Diffusion
(d) None of these
(c) Diffusion
(3) Respiratory pigment present in muscles is called:
(a) Haemoglobin
(b) Myoglobin
(c) Haemocyanins
(d) Globin
(e) None of these
(b) Myoglobin
(4) Which one of the following is not a viral disease?
(a) Mumps
(b) Small-pox
(c) Cow-pox
(d) Tetanus
(e) None of these
(d) Tetanus
(5) Animals obtain Carbohydrates mainly from:
(a) Sucrose
(b) Glycogen
(c) Starch
(d) Glucose
(e) None of these
(c) Starch
(6) Mesosomes are internal extensions of:
(a) Cell Wall
(b) Cell Membrane
(c) Chromatin body
(d) None of these
(b) Cell Membrane
(7) Sugar in each nucleotide of DNA is:
(a) Deoxyglucose
(b) Ribose
(c) Glucose
(d) Deoxyribose
(e) None of these
(d) Deoxyribose
(8) Species is the basic unit of:
(a) Genetics
(b) Zoology
(c) Ecology
(d) Universe
(e) None of these
(e) None of these
(9) Which one of the following is false about AIDS:
(a) HIV
(b) HAV
(c) T-lymphocytes
(d) Host specific
(e) None of these
(b) HAV
(10) Which statement about plastids is true?
(a) They are power house of cell
(b) They contain DNA and ribosomes
(c) They are found in all organisms
(d) They are surrounded by a single membrane
(e) None of these
(e) None of these
(11) Which of the following is not found in all bacterial cells?
(a) A nucleoid
(b) Capsule
(c) Cell membrane
(d) Ribosomes
(e) None of these
(c) Cell membrane
(12) A virion is a:
(a) Viral protein
(b) Viral gene
(c) Virus
(d) Viral lysozyme
(e) None of these
(c) Virus
(13) The study of fossils and their relationship to the evolution of life on earth is called:
(a) Fossilization
(b) Palaeontology
(c) Palaeozoology
(d) None of these
(b) Palaeontology
(14) A connecting and supporting tissue in animal is:
(a) Muscle
(b) Bone
(c) Nerve
(d) Connective
(e) None of these
(d) Connective
(15) Interstitial fluid closely resembles to:
(a) Rain water
(b) Sea water
(c) Lake water
(d) Pond water
(e) None of these
(e) None of these
(16) The amount of lactic acid in muscles increases when they are lacking in:
(a) CO2
(b) C6H12O6
(c) Energy
(d) Oxygen
(e) None of these
(d) Oxygen
(17) If a person eats more protein than are needed, this causes increased production of:
(a) Hormones
(b) Urea
(c) Lactic acid
(d) CO2
(e) None of these
(b) Urea
(18) The growth of human population is most rapid in:
(a) Asia
(b) Europe
(c) North America
(d) None of these
(a) Asia
(19) Which type of tissue forms glands?
(a) Connective
(b) Nervous
(c) Muscle
(d) Epithelial
(e) None of these
(d) Epithelial
(20) Carbon combines with nitrogen in amino acid linkages to form:
(a) Ester bonds
(b) Peptide bonds
(c) Ionic bonds
(d) None of these
(b) Peptide bonds
7. (A) Write only the correct answer in the Answer Book. Do not reproduce the questions.
(1) Contractile vacuole in Protozoa is basically concerned with:
(a) Excretion
(b) Osmoregulation
(c) Respiration
(d) None of these
(b) Osmoregulation
(2) Gammules are produced in:
(a) Annelida
(b) Arthropoda
(c) Porifera
(d) None of these
(c) Porifera
(3) Scales in Reptiles originate from:
(a) Ectoderm
(b) Mesoderm
(c) Endoderm
(d) None of these
(a) Ectoderm
(4) The Chordates are dissected from:
(a) Dorsal side
(b) Ventral side
(c) Lateral side
(d) Both (a) and (b)
(e) None of these
(b) Ventral side
(5) Open type of blood vascular system is present in:
(a) Echinoderms
(b) Chordates
(c) Molluses
(d) None of these
(c) Molluses
(6) Frog has the following number of Neck Vertebrae:
(a) Seven
(b) Nine
(c) Four
(d) Zero
(e) None of these
(b) Nine
(7) Insects have not adapted to the environment:
(a) Aquatic
(b) Fresh water
(c) Marine
(d) None of these
(a) Aquatic
(8) The true jaw is not present in:
(a) Elasmobranchs
(b) Boney Fish
(c) Agnatha
(d) None of these
(c) Agnatha
(9) Sea Horse is included in:
(a) Pisces
(b) Mammals
(c) Insects
(d) Mollusca
(e) None of these
(a) Pisces
(10) A house fly has the following number of legs:
(a) Four
(b) Eight
(c) Six
(d) None of these
(a) Four
(B) Check which of the following statements are true or false. On your answer sheets just write the question number and T or F.
(11) Some sponges are found in freshwater also. T
(12) Choanocysts are found in Coelentrates. F
(13) Coral reefs are present in the sandy coasts of Karachi. T
(14) All the internal body cavities are not Coelome. T
(15) Mouth parts in Arthropodes are modified appendages. T
(16) The appearances of different stages in the embryonic development of a mammal is called as Metamorphosis. T
(17) The major part of the Chordate body is Mesodermal in origin. T
(18) The Echinoderms and Chordates are Enterocoelic. T
(19) Girraffe and goat are similar in having seven neck vertebrae. T
(20) The mammals are characterized by having Mammary glands. T
(1) The main division of the chromosomes occurs in:
(a) Prophase
(b) Metaphase
(c) Anaphase
(d) Jelophase
(e) None of these
(c) Anaphase
(2) The protein synthesis occurs in:
(a) Mitochondria
(b) Endoplasmic reticulum
(c) Ribosomes
(d) Acrosome
(e) None of these
(c) Ribosomes
(3) Blood antigens are present in:
(a) Blood serum
(b) RBC’s
(c) WBC’s
(d) Platelets
(e) None of these
(b) RBC’s
(4) Sex linked genes are the genes located on:
(a) X-chromosome only
(b) Y-chromosome only
(c) Both X and Y-chromosomes
(d) X or Y-chromosomes
(e) None of these
(a) X-chromosome only
(5) Transcription is the phenomenon associated with:
(a) Synthesis of new DNA
(b) Formation of mRNA and DNA
(c) Formation of tRNA
(d) None of these
(d) None of these
(6) Segregation of alleles of a gene occurs in:
(a) Diploid individual
(b) Homozygous individual
(c) Heterozygous individual
(d) All of the above
(e) None of these
(a) Diploid individual
(7) Sodium-Potassium pump is located in:
(a) Liver
(b) Heart Cell
(c) Nerve cell
(d) All of the above
(e) None of these
(d) All of the above
(8) Pepsin is an enzyme responsible for breaking:
(a) Proteins
(b) Lipids
(c) Fats
(d) None of these
(a) Proteins
(9) Pace maker is located in:
(a) Liver
(b) Brain
(c) Heart
(d) Muscle
(e) None of these
(c) Heart
(10) Follicle stimulating hormones are produced in:
(a) Pituitary
(b) Ovaries
(c) Thyroid
(d) Kidney
(e) None of these
(a) Pituitary
(11) Genetic dominance is strongly associated with:
(a) Personality dominance
(b) Adaptive value
(c) Population distribution
(d) None of these
(c) Population distribution
(12) Crossing over is the physical exchange between chromosomes.
(a) Homologous
(b) Non-Homologous
(c) Both (a) and (b)
(d) None of these
(a) Homologous
(13) XXY individual in man is phenotypically a:
(a) Male
(b) Female
(c) Inter sex
(d) None of these
(a) Male
(14) Amino acids are the organic compound behaving like:
(a) Acid
(b) Base
(c) Both (a) and (b)
(d) None of these
(c) Both (a) and (b)
(15) Which of these can be the first living organism on the earth:
(a) Protozoan
(b) Algae
(c) Virus
(d) None of these
(d) None of these
(16) Ontogeny represents the history of an organism.
(a) Revolutionary
(b) Embryonic
(c) Both (a) and (b)
(d) None of these
(b) Embryonic
(17) Nuclear membrane has a structure similar to:
(a) Cell membrane
(b) Mitochondrion
(c) Endoplasmic reticulum
(d) All of these
(d) All of these
(18) Osmosis is the movement of solutes through a membrane.
(a) Permeable
(b) Semi-permeable
(c) Both (a) and (b)
(d) None of these
(b) Semi-permeable
(19) Sickle Cell Anemia is the condition where the RBC’s deflate.
(a) Under Oxygen
(b) Absence of Oxygen
(c) Both (a) and (b)
(d) None of these
(b) Absence of Oxygen
(20) Pond is an example of ecosystem:
(a) Complete
(b) Incomplete
(c) Almost complete
(d) None of these
(a) Complete
(1) Despite the structural diversities they are characterized by having soft body protected by calcareous shell developing from the mantle layer.
(a) Corals
(b) Foraminiferous
(c) Molluses
(d) None of these
(c) Molluses
(2) The members of the phylum are exclusively Marine.
(a) Porifera
(b) Coelenterata
(c) Echino-dermata
(d) None of these
(c) Echino-dermata
(3) How many paired legs are present in Arachnids?
(a) 2 pairs
(b) 3 pairs
(c) 4 pairs
(d) None of these
(c) 4 pairs
(4) A true Coelom is absent in:
(a) Platyhelminthes
(b) Mollusca
(c) Insects
(d) None of these
(a) Platyhelminthes
(5) A single aperture is present in
(a) Nematoda
(b) Cridaria
(c) Annelida
(d) None of these
(b) Cridaria
(6) The following represents Enterocoelous phylum.
(a) Annelida
(b) Mollusca
(c) Echinodermata
(d) None of these
(c) Echinodermata
(7) It is exclusively a Parasitic group.
(a) Ciliata
(b) Mestigophora
(c) Rhizopoda
(d) Sporozoa
(e) None of these
(d) Sporozoa
(8) Most species of Animal Kingdom belong to this Class:
(a) Acazina
(b) Hexapoda
(c) Crustacea
(d) None of these
(b) Hexapoda
(9) Insect mouth parts are serially homologous.
(a) Claspers
(b) Sting apparatus
(c) Cerci
(d) Legs
(e) None of these
(d) Legs
(10) The only groups of animals which are diploblastic in nature:
(a) Platy helminthes
(b) Coelentrata
(c) Porifera
(d) None of these
(b) Coelentrata
11) The phenomenon in which larva becomes sexually mature.
(a) Retrogressive Metamorphosis
(b) Neoteny
(c) Both ‘a’ and ‘b’
(d) None of these
(b) Neoteny
(12) Amphibians have the following number of chambers in their heart.
(a) 2
(b) 3
(c) 4
(d) 5
(e) None of these
(b) 3
(13) The young are born in less developed condition.
(a) Monotremes
(b) Marsupials
(c) Placentals
(d) None of these
(b) Marsupials
(14) Limbs of Sea Cows and Sea Lions are the product of:
(a) Convergent Evolution
(b) Divergent Evolution
(c) Parallel Evolution
(d) None of these
(a) Convergent Evolution
(15) In these animals the teeth are reduced to molars without enamel or no teeth are present.
(a) Moles
(b) Bats
(c) Sloths
(d) None of these
(c) Sloths
(16) Only hind limbs are lost in:
(a) Snakes
(b) Whales
(c) Bats
(d) None of these
(b) Whales
(17) Among the following which snake is non-poisonous?
(a) Krait
(b) Python
(c) Viper
(d) None of these
(b) Python
(18) Which one is excluded from the Phylum Chordata.
(a) Urochordata
(b) Hemichordata
(c) Cephalochordata
(d) None of these
(b) Hemichordata
(19) The earliest known species of birds is:
(a) Archaeopteryx
(b) Hesperornis
(c) Ichthyornis
(d) None of these
(a) Archaeopteryx
(20) A muscular diaphragm helps to move air into and out of the lungs in:
(a) Amphibians
(b) Reptilians
(c) Avians
(d) Mammalians
(e) None of these
(d) Mammalians
8. Write only the correct answer in the Answer Book. Do not reproduce the questions.
(1) “Chiasma” formation could be seen first time in the following stage/sub stage of Meiosis:
(a) Leptotene
(b) Zygotene
(c) Pachytene
(d) Diplotene
(e) None of these
(b) Zygotene
(2) In protein synthesis each triplet code binds itself with one:
(a) Leptotene
(b) Zygotene
(c) Diplotene
(d) None of these
(b) Zygotene
(3) For the rapid production of antibody in the precipitate test involving a rabbit one of the following animals could be used.
(a) Frog
(b) Lizard
(c) Fowl
(d) None of these
(c) Fowl
(4) In Drosophila very rarely father transmit his sex-linked trait to his normal son (in a cross of white eyed female with red eyed male):
(a) In the case of primary non-disjunction
(b) In the case of secondary non-disjunction
(c) In the case of a normal cross
(d) None of these
(5) 13:3 Ration in “F2” is obtained in the case of:
(a) Complementary genes for colours in corn
(b) Coat colours in rodents
(c) In epistatic genes
(d) None of these
(a) Complementary genes for colours in corn
(6) Crossing over rarely or never takes place in the male of:
(a) Mice
(b) Poultry
(c) Man
(d) Drosophila
(e) None of these
(d) Drosophila
(7) XXY individual in Drosophila is phenotypically:
(a) Male
(b) Female
(c) Inter sex
(d) None of these
(a) Male
(8) Fossils of which of these first living organisms were found?
(a) Protozoan
(b) Algea
(c) Virus
(d) None of these
(a) Protozoan
(9) Which of these are exclusively functional proteins?
(a) Hormones
(b) Enzyme
(c) Plasma
(d) None of these
(b) Enzyme
(10) Phytogeny represents the history of an organism:
(a) Evolutionary
(b) Embryonic
(c) Both ‘a’ and ‘b’
(d) None of these
(a) Evolutionary
(11) Sickle Cell trait is found in:
(a) Homozygous
(b) Heterozygous
(c) Both ‘a’ and ‘b’
(d) None of these
(b) Heterozygous
(12) The first living and respiring organism on earth were:
(a) Aerobes
(b) Anaerobes
(c) Both ‘a’ and ‘b’
(d) None of these
(b) Anaerobes
(13) The major portion of digestion takes place in the:
(a) Stomach
(b) In the small intestine
(c) In the large intestine
(d) None of these
(b) In the small intestine
(14) Practically all absorption of digested food occurs in:
(a) Large intestine
(b) Small intestine
(c) Both ‘a’ and ‘b’
(d) None of these
(b) Small intestine
(15) Sibling species are produced as a result of:
(a) Allopatric speciation
(b) Sympatric speciation
(c) Both ‘a’ and ‘b’
(d) None of these
Allopatric speciation
(16) In the days just after its formation the earth had:
(a) Reducing atmosphere
(b) Oxidative atmosphere
(c) Both ‘a’ and ‘b’
(d) None of these
(a) Reducing atmosphere
(17) Zygotes containing “XY” are females in:
(a) Drosophila
(b) In moths
(c) In grasshoppers
(d) None of these
(a) Drosophila
(18) The “Y” Chromosomes is sexually neutral in:
(a) Man
(b) In Drosophila
(c) In moth
(d) None of these
(d) None of these
(19) Marsupial are found in:
(a) Only Australian region
(b) In near arctic and Neotropical regions
(c) Both ‘a’ and ‘b’
(d) None of these
(d) None of these
(20) In which stage of Meiosis Cento mere of each dyad divides?
(a) Metaphase I
(b) Metaphase II
(c) Anaphase I
(d) Anaphase II
(e) None of these
(b) Metaphase II
1. Coelom is the body cavity originating from
a) ectoderm
b) mesoderm
c) endoderm
d) none of these
b) mesoderm
2. Cytopharynx is the structure present in
a) Amoeba
b) paramecium
c) Euglena
d)foraminifers
e) none of these
b) paramecium
3. Gemmules are the reproductive structures produced in
a) sponges
b) Annelids
c) Arthropods
d) coelentrates
a) sponges
4. Comb plates are very specific structures of
a) coelenterates
b) Arthropoda
c) ctenophora
d) none of these
c) ctenophora
5. Nerve net is present in coelenterates at
a) in endodermis
b) below upper epidermis
c) in mesoglea
d) not present in coelentrates
b) below upper epidermis
6. Circulatory system in insects is
a) Closed type
b) open type
c) lymphic type
d) All of these
b) open type
7. Silk is produced by silkworm
a) larva
b) adult
c) pupa
d) All of these
a) larva
8. The basic function of a flame cell is
a) excretion
b) osmoregulation
c) digestion
d) none of these
a) excretion
9. The scale in fishes are
a) ectodermal
b) endodermal
c) mesodermal
d) different in different fishes
c) mesodermal
10. The neck of a camel has vertebras:
a) 14
b) 9
c) 7
d) 20
e) none of these
c) 7
11. Spiders are Arachnids and they have legs
a) 6
b) 8
c) 9
d) none of these
b) 8
12. Gill slits in chordates are present in
a) mouth
b) pharynx
c) oesophagus
d) All of these
b) pharynx
13. Birds are flying and have ovaries
a) one on right side
b) both on right and left side
c) one on any side
d) one on left side
d) one on left side
14. Adult echinoderm has symmetry
a) Bilateral
b) radial
c) both a and b
d) none of these
b) radial
15. The typical characters of all mammals is
a) mammary glands
b) brain
c) hair
d) All of these
d) All of these
16. Mouth in shark is located
a) dorsal
b) ventral
c) anterior end
d) none of these
b) ventral
17. The number of ribs in frog are
a) 4
b) 6
c) 8
d) none of these
d) none of these
18. Earth worm are dissected from side
a) Dorsal
b) ventral
c) both a and b
d) lateral
a) Dorsal
19. Duck billed platypus is a
a) Bird
b) placental mammal
c) monotreme
d) Marsupial
c) monotreme
20. Silver fish is a member of
a) pisces
b) insects
c) echinodermata
d) none of these
b) insects
1. The chemical composition of a chromosome is :
a) lipoprotein
b) polysaccharide
c) nucleoprotein
d) None of these
c) nucleoprotein
2. Lysosomes are responsible for:
a) Protein
b) ATP formation
c) intracellular breakdown
d) None of these
c) intracellular breakdown
3. Ribosomes are located on:
a) cell membrane
b) rough endoplasmic reticulum
c) mitochondria
d) nuclear membrane
e) None of these
b) rough endoplasmic reticulum
4. The metaphase chromosomes are thick because these
a) multiply
b) duplicate
c) coiled coiling
d) none of these
c) coiled coiling
5. Glycolysis occur in
a) cytoplasm
b) mitochondria
c) cell membrane
d) all of these
a) cytoplasm
6. Nerves convey the message in the form of
a) physical impulse
b) chemical impulse
c) electrical impulse
d) none of these
c) electrical impulse
7. Follicle stimulating hormone is produced in:
a) ovary
b) pituitary
c) hypothalamus
d) all of these
b) pituitary
8. The primary excretory product is
a) Ammonia
b) Carbon dioxide
c) feaces
d) none of these
a) Ammonia
9. Pepsin is responsible for digestion of:
a) carbohydrate
b) lipid
c) protein
d) all of these
c) protein
10. XXY individual in men is phenotypically
a) male
b) female
c) intersex
d) none of these
a) male
11. Sex linked genes are located on :
a) only on X chromosome
b) only on Y chromosome
c) sex chromosome
d) All of these
a) only on X chromosome
12. Mendelian segregation is applicable to :
a) gametogenesis
b) meiosis
c) spore formation
d) none of these
a) gametogenesis
13. the number of the alleles of a gene in a diploid individual is:
a) any number
b) one
c) two
d) three
b) one
14. The gene mapping is measured in:
a) Millimeters
b) microns
c) Angstrom
d) centimorgans
d) centimorgans
15. Genetic dominance concerns with the phenotypic expression in:
a) heterozygous
b) homozygous
c) both a and b
d) none of these
a) heterozygous
16. The first living organism was
a) Algal cell
b) virus
c) bacteria
d) none of these
c) bacteria
17. Enzymes are chemically
a) carbohydrates
b) lipids
c) lipoproteins
d) proteins
d) proteins
18. Theory of natural selection was initially proposed by:
a) Darwin
b) Wallace
c) both Darwin and Wallace
d) Eyll
a) Darwin
19. Second law of thermodynamics demand
a) energy stability
b) energy loss during transfer of energy
c) Energy flow from one form to Another
d) none of these
b) energy loss during transfer of energy
20. The basic purpose of ecosystem is
a) maintenance of organisms
b) energy flow
c) chemical movements
d) none of these
b) energy flow
Q.7. Write only the correct answer in the answer book.Donot reproduce the question.
(1) Contractile vacoule in protozoa is basically responsible for
(a) Excretion
(b) osmoregultion
(c) Feeding
(d) All of these.
(b) osmoregultion
(2) Pneumatocysts are typically present in
(a) Porifera
(b) Annelida
(c) Coelentrata
(d) Protozoa
(c) Coelentrata
(3) Pinococysts are present in
(a) Echinodermata
(b) Arthropoda
(c) Porifera
(d) None of these.
(c) Porifera
(4) Nerve cord is dorsally located in
(a) Annelids
(b) Mollusca
(c) Arthropodes
(d) None of these
(d) None of these
(5) Open circulatory system is present in
(a) Annelids
(b) Insects
(c) Reptiles
(d) Mammals
(b) Insects
(6) Sponges are present in
(a) Marine
(b) Freshwater
(c) Moist places
(d) Both (a) and (b)
(d) Both (a) and (b)
(7) Telson is present in
(a) Annelids
(b) Arthropoda
(c) Molluse
(d) Chordates
(b) Arthropoda
(8) Entamoeba histolytica is a member of class
(a) Scyphozoa
(b) Polycheata
(c) Mastigophora
(d) None of these
(d) None of these
(9) A house fly has legs
(a) 8
(b) 10
(c) 6
(d) 4
(d) 4
(10) Wasps bite using
(a) Mouth
(b) Proboscis
(c) Genital claspers
(d) None of these
(b) Proboscis
(11) Number of cranial nerves in fish
(a) 10
(b) 12
(c) 8
(d) None of these
(a) 10
(12) Frog has ribes
(a) 6
(b) 12
(c) 4
(d) None of these
(d) None of these
(13) Scales in reptiles are
(a) Ectodermal
(b) mesodermal
(c) Both a & b
(d) Endodermal
(a) Ectodermal
(14) Gill slits in Amphioxus are present
(a) Mouth
(b) Neck
(c) Pharynx
(d) Head
(c) Pharynx
(15) Giraffe has neck vertbrea
(a) 15
(b) 10
(c) 7
(d) None of these
(c) 7
(16) Duck billed platypus has on its body
(a) Feathers
(b) Hairs
(c) Scales
(d) None of these
(a) Feathers
(17) Pulmonary vein in mammals carries blood
(a) Deoxygenated
(b) oxygenated
(c) Both a&b
(d) None of these
(b) oxygenated
(18) RBCs in amphibians are
(a) Nucleated
(b) Without nucleus
(c) Both a&b
(d) None of these
(a) Nucleated
(19) Python kills its prey by
(a) poison biting
(b) Constriction
(c) Both a&b
(d) None of these
(b) Constriction
(20)The location of mouth is ventral in
(a) Bony fish
(b) permyzaon
(c) Shark
(d) None of these
(c) Shark
1) Cell membrane is chemically
a. nucleoprotein
b. lipoprotein
c. lipid
d. protein
b. lipoprotein
2). ATP is produced in
a. golgi complex
b. lysosome
c. mitochondria
d. none of these
c. mitochondria
3).Transcription is the phenomenon involved with
a. mRNA formation
b. binding of aminoacid
c. DNA replication
d. all of these
a. mRNA formation
4) Glycolsis accurs in
a. endoplasmic recticulum
b. cytoplasm
c. mitichondria
d. golgi bodies
b. cytoplasm
5) Centromere in a chromosome is heterochromatic as it
a. do not divide
b. helps chromosomal attachment with the spindle
c. do not go a regular change in the cell cycle
d. all of these together
6) Neurotransmitter are involved in
a. nerve transmission
b. synoptic transmission
c. chemical transmission
d. b & c
e. a & c
d. b & c
7) Pepsin is the chemical involved in
a. Protein breakdown
b. carbohydrates breakdown
c. protein synthesis
d. lipid breakdown
a. Protein breakdown
8) Food is assimilated into the body from digestive tract in
a. oesophagus
b. stomach
c. small intestine
d. rectum
c. small intestine
9) Excretory product is produced through the breakdown of
a. protein
b. carbohydrates
c. lipid
d. all of these
a. protein
10) Basic process of respiration occurs in
a. lungs
b. mitochondria
c. blood circulation
d. none of these
b. mitochondria
11) Genetic dominance involves
a. personality dominance
b. better adaptive value
c. a wider population distribution
d. all a,b & c
e. none of the above
12) Principle of segregation is applicable to
a. Hetrozygous individual only
b. homozygous indvidual only
c. Diploid individual
d. none of these
c. Diploid individual
13) XXY individual in man is phenotypically a
a. Female
b. male
c. super female
d. super male
b. male
14) sex linkage concerns with the gene
a. Responsible for the development of sex
b. Associate with some sex
c. Located on X chromosome only
d. located on sex chromosome
c. Located on X chromosome only
15) Cistron is the smallest part of the chromosome working as
a. Mutational unit
b. functional unit
c. Recombinational unit
d. None of these
b. functional unit
16) First living organism on this planet was
a. an algal cell
b. a virus
c. a protozoa
d. none of these
d. none of these
17) Darwin's theory of natural selection believe in selection of
a. the fittest
b. fitters
c. better adapted individual
d. All of these
d. All of these
18) The raw material for evolution comes from
a. Mutation
b. Chromosomal aberration
c. Recombination
d. All of these
a. Mutation
19) A group develops to adapt a number of diverse niches.The phenomena is called as
a. Convergent evolution
b. Divergent
c. Punctuated evolution
d. none of these
b. Divergent
20) Linnaeus was the father of classification and was
a. Not believer of evolution
b. strong believer of evolution
c. believer of limited evolution
d. Believer of natural selection
b. strong believer of evolution
Most Important MCQs For Zoology Zoology Past Papers Solved MCQs
Zoology 2001 PAPER - I
ZOOLOGY COMPULSORY QUESTION
7. Write only the correct answer in the Answer Book. Do not reproduce the questions.
(A) Which of the four options make the following statement correct? On your answer books just write the question number and one of the serial alphabets.
(1) Insects are characterized by:
(a) 3 pairs of legs
(b) Two pairs of antennae
(c) Wings on body
(d) Large sized eggs
(e) None of these
(a) 3 pairs of legs
(2) Body is metamorically segmented in:
(a) Porifera
(b) Annelida
(c) Coelentrata
(d) None of these
(b) Annelida
(3) Which of the following arthropod are totally aquatic?
(a) Crustaceans
(b) Insects
(c) Milipedes
(d) None of these
(d) None of these
(4) Dorsal tubular nerve cord is characteristic of:
(a) Some chordates
(b) Some non chordates
(c) All non chordates
(d) All chordates
(e) None of these
(d) All chordates
(5) Opposable thumbs are characteristic feature of:
(a) Lagomorpha
(b) Primates
(c) Edentata
(d) None of these
(b) Primates
(6) Differences in the scales of fishes and reptiles lies in their being:
(a) Endodermal and dry
(b) Epidermal and dry
(c) Epidermal and wet
(d) Endodermal and wet
(e) None of these
(b) Epidermal and dry
(7) Which of the following has oxygenated blood?
(a) Renal veins
(b) Pulmonary veins
(c) Pulmonary artery
(d) Hepatic portal veins
(e) None of these
(b) Pulmonary veins
(8) Scapula is the bone of:
(a) Skull
(b) Pelvic girdle
(c) Pectoral girdle
(d) Vertebral column
(e) None of these
(c) Pectoral girdle
(9) All the digestive are formed in vertebrates by:
(a) Ectoderm only
(b) Endoderm only
(c) Mesoderm only
(d) None of these
(b) Endoderm only
(10) Ammonia is chief excretory product in
(a) Reptiles
(b) Turtles
(c) Mammals
(d) Fish
(e) None of these
(d) Fish
(B) Check which of the following statements are true or false. On your answer sheets just write the question number and T or F.
(11) Coelme is lined by ectodermal epithelium false
(12) Non-chordates are dissected from dorsal side. true
(13) All snakes are poisonous. false
(14) Mouth in sharks is located on anterior side. true
(15) Frogs have 3 cervical vertebrae. false
(16) Contractile vacuole in protozoa is basically an excretory organ. tru
(17) Nerve cord in chordates is Endodermal in origin. false
(18) Whale is the largest mammals living in sea. true
(19) Both male and female mosquitoes bite and carry parasites. false
(20) The gammules are produced in coelenterates. false
ZOOLOGY PAPER - II
COMPULSORY QUESTION
8. Write only the correct answer in the Answer Book. Do not reproduce the questions.
(1) Life originated during:
(a) Pre-cambrian period
(b) Mesozoic era
(c) Coenozoic era.
(d) Proterozoic era
(e) None of these
(a) Pre-cambrian period
(2) Pancreas secrete:
(a) Pepsin
(b) Only hormones
(c) Only enzymes
(d) Both (a) and (b)
(e) None of these
(e) None of these
(3) Louis Pasture is known for:
(a) Germ theory of disease
(b) Germ plasm theory
(c) Mutation theory
(d) Cell theory
(e) None of these
(a) Germ theory of disease
(4) Life originated:
(a) In air
(b) On land
(c) In water
(d) In all (a), (b) and (c)
(e) None of these
(c) In water
(5) Virus are:
(a) Unicellular
(b) Acellular
(c) Multicellular
(d) Free living
(e) None of these
(e) None of these
(6) Wings of insects and bats are examples of:
(a) Homologous organs
(b) Analogous organs
(c) Both (a) and (b)
(d) Vestigial organs
(e) None of these
(b) Analogous organs
(7) Archeopteryx is a connecting link between:
(a) Amphibians and reptiles
(b) Reptiles and birds
(c) Birds and mammals
(d) Amphibians and birds
(e) None of these
(b) Reptiles and birds
(8) Lamarck’s theory of Evolution is based upon:
(a) Effect of environment
(b) Use and disuse of body parts
(c) Inheritance of Acquired characters
(d) All of these
(e) None of these
(d) All of these
(9) Absorption of digested food occurs mainly in:
(a) Colon
(b) Small intestine
(c) Large intestine
(d) Stomach
(e) None of these
(b) Small intestine
(10) A renal portal system is found in:
(a) Man
(b) Horse
(c) Rabbit
(d) Frog
(e) None of these
(d) Frog
(11) Tangoreceptors respond to:
(a) Heat
(b) Smell
(c) Chemicals
(d) Touch
(e) None of these
(d) Touch
(12) Third ventricle is found in:
(a) Brain of Rabbit
(b) Heart of Rabbit
(c) Kidney of Frog
(d) Heart of Frog
(e) None of these
(a) Brain of Rabbit
(13) Blood from glomerulus returns by:
(a) Afferent renal arteriole
(b) Efferent renal arteriole
(c) Both of these
(d) Renal vein
(e) None of these
(b) Efferent renal arteriole
(14) Vital morphological and Physiological units of Mammalian Kidney are:
(a) Ureters
(b) Seminiferous tubules
(c) Uriniferous tubules
(d) All of these
(e) None of these
(c) Uriniferous tubules
(15) Which of the following secretes Oxytocin:
(a) Adrenals
(b) Pituitary
(c) Thyroid
(d) Ovaries
(e) None of these
(b) Pituitary
(16) Longest cells in animals are:
(a) Nerve cells
(b) Egg cells
(c) Kidney cells
(d) Liver cells
(e) None of these
(a) Nerve cells
(17) Function of centromere is to:
(a) Initiate cell division
(b) Inhibit cell division
(c) Provide site for cell division
(d) Do all of these
(e) None of these
(c) Provide site for cell division
(18) Which of the following has extranuclear DNA:
(a) Mitochondria
(b) Lysosomes
(c) Golgi complex
(d) All of these
(e) None of these
(a) Mitochondria
(19) Who gave laws of segregation and Dominance?
(a) Mendel
(b) Morgan
(c) Darwin
(d) Muller
(e) None of these
(a) Mendel
(20) Adrenal glands are found in close association with:
(a) Testes
(b) Spleen
(c) Liver
(d) Ovaries
(e) None of these
(e) None of these
ZOOLOGY PAPER 2002
Paper I
COMPULSORY QUESTION
7. Write only the correct answer in the Answer Book. Do not reproduce the questions.
(A) Which of the four options make the following statement correct? On your answer books just write the question number and one of the serial alphabets. (10)
(1) The mode of nutrition in AMOEBA is:
(a) Holozoic
(b) Saprozoic
(c) Saprophytic
(d) None of these
(a) Holozoic
(2) The coelom in PLATYHELMINTHYES is:
(a) Pseudocoele
(b) Haemocoele
(c) Metacoele
(d) None of these
(a) Pseudocoele
(3) EXCRETORY organs in earthworms are:
(a) Nephron
(b) Flame cells
(c) Malpighian Tubules
(d) Nephridia
(e) None of these
(d) Nephridia
(4) Foot is used as an organ of locomotion in which of the following animals?
(a) Freshwater mussel
(b) Octupus
(c) Sepia
(d) None of these
(a) Freshwater mussel
(5) Which group of animals out of the following is DIPLOBLASTIC?
(a) Platyhelminthes
(b) Echinodermata
(c) Coelenterata
(d) None of these
(c) Coelenterata
(6) Which of the following has the maximum of oxygenated and de-oxygenated blood in the ventricle of its heart?
(a) Fish
(b) Frog
(c) Crocodile
(d) None of these
(b) Frog
(7) Reptiles are:
(a) Oviparous
(b) Viviparous
(c) Ovo-viviparous
(d) None of these
(a) Oviparous
(8) The urea formation in mammals takes place in:
(a) Kidneys
(b) Spleen
(c) Liver
(d) None of these
(c) Liver
(9) Vertebrates in which placenta is formed during the development of fetus are:
(a) Reptiles
(b) Aves
(c) Mammals
(d) None of these
(c) Mammals
(10) Lymph most closely resembles with:
(a) Plasma
(b) Interstitial fluid
(c) Blood
(d) None of these
(a) Plasma
(B) Check which of the following statements are true or false. On your answer sheets just write the question number and T or F. (10)
(11) Archaeopleryx is a missing link between birds and reptiles. T
(12) Skin of frog has well-developed sweat glands. F
(13) True Coelom develops from endoderm. F
(14) Archenteron develops during blastula stage. F
(15) The Trypanosoma causes the disease called “sleeping sickness”. T
(16) Snakes can listen and enjoy music. F
(17) Echidna is an egg-laying mammal. T
(18) Herbivores have more pointed teeth than carnivores. F
(19) Reptiles are warm blooded animals. F
(20) The body cavity in arthropods is a haemocoel. T
ZOOLOGY PAPER II
COMPULSORY QUESTION
8. Write only the correct answer in the Answer Book. Do not reproduce the questions.
(1) Many humans become ill by consuming milk products because they lack:
(a) Bacteria in their intestines
(b) Rennin
(c) Hydrochloric acid
(d) Lactase
(e) None of these
(d) Lactase
(2) Which of the following process cause substance to move across membranes without the expenditure of cellular energy?
(a) Endocytosis
(b) Active transport
(c) Diffusion
(d) None of these
(c) Diffusion
(3) Respiratory pigment present in muscles is called:
(a) Haemoglobin
(b) Myoglobin
(c) Haemocyanins
(d) Globin
(e) None of these
(b) Myoglobin
(4) Which one of the following is not a viral disease?
(a) Mumps
(b) Small-pox
(c) Cow-pox
(d) Tetanus
(e) None of these
(d) Tetanus
(5) Animals obtain Carbohydrates mainly from:
(a) Sucrose
(b) Glycogen
(c) Starch
(d) Glucose
(e) None of these
(c) Starch
(6) Mesosomes are internal extensions of:
(a) Cell Wall
(b) Cell Membrane
(c) Chromatin body
(d) None of these
(b) Cell Membrane
(7) Sugar in each nucleotide of DNA is:
(a) Deoxyglucose
(b) Ribose
(c) Glucose
(d) Deoxyribose
(e) None of these
(d) Deoxyribose
(8) Species is the basic unit of:
(a) Genetics
(b) Zoology
(c) Ecology
(d) Universe
(e) None of these
(e) None of these
(9) Which one of the following is false about AIDS:
(a) HIV
(b) HAV
(c) T-lymphocytes
(d) Host specific
(e) None of these
(b) HAV
(10) Which statement about plastids is true?
(a) They are power house of cell
(b) They contain DNA and ribosomes
(c) They are found in all organisms
(d) They are surrounded by a single membrane
(e) None of these
(e) None of these
(11) Which of the following is not found in all bacterial cells?
(a) A nucleoid
(b) Capsule
(c) Cell membrane
(d) Ribosomes
(e) None of these
(c) Cell membrane
(12) A virion is a:
(a) Viral protein
(b) Viral gene
(c) Virus
(d) Viral lysozyme
(e) None of these
(c) Virus
(13) The study of fossils and their relationship to the evolution of life on earth is called:
(a) Fossilization
(b) Palaeontology
(c) Palaeozoology
(d) None of these
(b) Palaeontology
(14) A connecting and supporting tissue in animal is:
(a) Muscle
(b) Bone
(c) Nerve
(d) Connective
(e) None of these
(d) Connective
(15) Interstitial fluid closely resembles to:
(a) Rain water
(b) Sea water
(c) Lake water
(d) Pond water
(e) None of these
(e) None of these
(16) The amount of lactic acid in muscles increases when they are lacking in:
(a) CO2
(b) C6H12O6
(c) Energy
(d) Oxygen
(e) None of these
(d) Oxygen
(17) If a person eats more protein than are needed, this causes increased production of:
(a) Hormones
(b) Urea
(c) Lactic acid
(d) CO2
(e) None of these
(b) Urea
(18) The growth of human population is most rapid in:
(a) Asia
(b) Europe
(c) North America
(d) None of these
(a) Asia
(19) Which type of tissue forms glands?
(a) Connective
(b) Nervous
(c) Muscle
(d) Epithelial
(e) None of these
(d) Epithelial
(20) Carbon combines with nitrogen in amino acid linkages to form:
(a) Ester bonds
(b) Peptide bonds
(c) Ionic bonds
(d) None of these
(b) Peptide bonds
2003 ZOOLOGY Paper I
7. (A) Write only the correct answer in the Answer Book. Do not reproduce the questions.
(1) Contractile vacuole in Protozoa is basically concerned with:
(a) Excretion
(b) Osmoregulation
(c) Respiration
(d) None of these
(b) Osmoregulation
(2) Gammules are produced in:
(a) Annelida
(b) Arthropoda
(c) Porifera
(d) None of these
(c) Porifera
(3) Scales in Reptiles originate from:
(a) Ectoderm
(b) Mesoderm
(c) Endoderm
(d) None of these
(a) Ectoderm
(4) The Chordates are dissected from:
(a) Dorsal side
(b) Ventral side
(c) Lateral side
(d) Both (a) and (b)
(e) None of these
(b) Ventral side
(5) Open type of blood vascular system is present in:
(a) Echinoderms
(b) Chordates
(c) Molluses
(d) None of these
(c) Molluses
(6) Frog has the following number of Neck Vertebrae:
(a) Seven
(b) Nine
(c) Four
(d) Zero
(e) None of these
(b) Nine
(7) Insects have not adapted to the environment:
(a) Aquatic
(b) Fresh water
(c) Marine
(d) None of these
(a) Aquatic
(8) The true jaw is not present in:
(a) Elasmobranchs
(b) Boney Fish
(c) Agnatha
(d) None of these
(c) Agnatha
(9) Sea Horse is included in:
(a) Pisces
(b) Mammals
(c) Insects
(d) Mollusca
(e) None of these
(a) Pisces
(10) A house fly has the following number of legs:
(a) Four
(b) Eight
(c) Six
(d) None of these
(a) Four
(B) Check which of the following statements are true or false. On your answer sheets just write the question number and T or F.
(11) Some sponges are found in freshwater also. T
(12) Choanocysts are found in Coelentrates. F
(13) Coral reefs are present in the sandy coasts of Karachi. T
(14) All the internal body cavities are not Coelome. T
(15) Mouth parts in Arthropodes are modified appendages. T
(16) The appearances of different stages in the embryonic development of a mammal is called as Metamorphosis. T
(17) The major part of the Chordate body is Mesodermal in origin. T
(18) The Echinoderms and Chordates are Enterocoelic. T
(19) Girraffe and goat are similar in having seven neck vertebrae. T
(20) The mammals are characterized by having Mammary glands. T
ZOOLOGY Paper II
8. Write only the correct answer in the Answer Book. Do not reproduce the questions.(1) The main division of the chromosomes occurs in:
(a) Prophase
(b) Metaphase
(c) Anaphase
(d) Jelophase
(e) None of these
(c) Anaphase
(2) The protein synthesis occurs in:
(a) Mitochondria
(b) Endoplasmic reticulum
(c) Ribosomes
(d) Acrosome
(e) None of these
(c) Ribosomes
(3) Blood antigens are present in:
(a) Blood serum
(b) RBC’s
(c) WBC’s
(d) Platelets
(e) None of these
(b) RBC’s
(4) Sex linked genes are the genes located on:
(a) X-chromosome only
(b) Y-chromosome only
(c) Both X and Y-chromosomes
(d) X or Y-chromosomes
(e) None of these
(a) X-chromosome only
(5) Transcription is the phenomenon associated with:
(a) Synthesis of new DNA
(b) Formation of mRNA and DNA
(c) Formation of tRNA
(d) None of these
(d) None of these
(6) Segregation of alleles of a gene occurs in:
(a) Diploid individual
(b) Homozygous individual
(c) Heterozygous individual
(d) All of the above
(e) None of these
(a) Diploid individual
(7) Sodium-Potassium pump is located in:
(a) Liver
(b) Heart Cell
(c) Nerve cell
(d) All of the above
(e) None of these
(d) All of the above
(8) Pepsin is an enzyme responsible for breaking:
(a) Proteins
(b) Lipids
(c) Fats
(d) None of these
(a) Proteins
(9) Pace maker is located in:
(a) Liver
(b) Brain
(c) Heart
(d) Muscle
(e) None of these
(c) Heart
(10) Follicle stimulating hormones are produced in:
(a) Pituitary
(b) Ovaries
(c) Thyroid
(d) Kidney
(e) None of these
(a) Pituitary
(11) Genetic dominance is strongly associated with:
(a) Personality dominance
(b) Adaptive value
(c) Population distribution
(d) None of these
(c) Population distribution
(12) Crossing over is the physical exchange between chromosomes.
(a) Homologous
(b) Non-Homologous
(c) Both (a) and (b)
(d) None of these
(a) Homologous
(13) XXY individual in man is phenotypically a:
(a) Male
(b) Female
(c) Inter sex
(d) None of these
(a) Male
(14) Amino acids are the organic compound behaving like:
(a) Acid
(b) Base
(c) Both (a) and (b)
(d) None of these
(c) Both (a) and (b)
(15) Which of these can be the first living organism on the earth:
(a) Protozoan
(b) Algae
(c) Virus
(d) None of these
(d) None of these
(16) Ontogeny represents the history of an organism.
(a) Revolutionary
(b) Embryonic
(c) Both (a) and (b)
(d) None of these
(b) Embryonic
(17) Nuclear membrane has a structure similar to:
(a) Cell membrane
(b) Mitochondrion
(c) Endoplasmic reticulum
(d) All of these
(d) All of these
(18) Osmosis is the movement of solutes through a membrane.
(a) Permeable
(b) Semi-permeable
(c) Both (a) and (b)
(d) None of these
(b) Semi-permeable
(19) Sickle Cell Anemia is the condition where the RBC’s deflate.
(a) Under Oxygen
(b) Absence of Oxygen
(c) Both (a) and (b)
(d) None of these
(b) Absence of Oxygen
(20) Pond is an example of ecosystem:
(a) Complete
(b) Incomplete
(c) Almost complete
(d) None of these
(a) Complete
2004 ZOOLOGY Paper I
7. Write only the correct answer in the Answer Book. Do not reproduce the questions.(1) Despite the structural diversities they are characterized by having soft body protected by calcareous shell developing from the mantle layer.
(a) Corals
(b) Foraminiferous
(c) Molluses
(d) None of these
(c) Molluses
(2) The members of the phylum are exclusively Marine.
(a) Porifera
(b) Coelenterata
(c) Echino-dermata
(d) None of these
(c) Echino-dermata
(3) How many paired legs are present in Arachnids?
(a) 2 pairs
(b) 3 pairs
(c) 4 pairs
(d) None of these
(c) 4 pairs
(4) A true Coelom is absent in:
(a) Platyhelminthes
(b) Mollusca
(c) Insects
(d) None of these
(a) Platyhelminthes
(5) A single aperture is present in
(a) Nematoda
(b) Cridaria
(c) Annelida
(d) None of these
(b) Cridaria
(6) The following represents Enterocoelous phylum.
(a) Annelida
(b) Mollusca
(c) Echinodermata
(d) None of these
(c) Echinodermata
(7) It is exclusively a Parasitic group.
(a) Ciliata
(b) Mestigophora
(c) Rhizopoda
(d) Sporozoa
(e) None of these
(d) Sporozoa
(8) Most species of Animal Kingdom belong to this Class:
(a) Acazina
(b) Hexapoda
(c) Crustacea
(d) None of these
(b) Hexapoda
(9) Insect mouth parts are serially homologous.
(a) Claspers
(b) Sting apparatus
(c) Cerci
(d) Legs
(e) None of these
(d) Legs
(10) The only groups of animals which are diploblastic in nature:
(a) Platy helminthes
(b) Coelentrata
(c) Porifera
(d) None of these
(b) Coelentrata
11) The phenomenon in which larva becomes sexually mature.
(a) Retrogressive Metamorphosis
(b) Neoteny
(c) Both ‘a’ and ‘b’
(d) None of these
(b) Neoteny
(12) Amphibians have the following number of chambers in their heart.
(a) 2
(b) 3
(c) 4
(d) 5
(e) None of these
(b) 3
(13) The young are born in less developed condition.
(a) Monotremes
(b) Marsupials
(c) Placentals
(d) None of these
(b) Marsupials
(14) Limbs of Sea Cows and Sea Lions are the product of:
(a) Convergent Evolution
(b) Divergent Evolution
(c) Parallel Evolution
(d) None of these
(a) Convergent Evolution
(15) In these animals the teeth are reduced to molars without enamel or no teeth are present.
(a) Moles
(b) Bats
(c) Sloths
(d) None of these
(c) Sloths
(16) Only hind limbs are lost in:
(a) Snakes
(b) Whales
(c) Bats
(d) None of these
(b) Whales
(17) Among the following which snake is non-poisonous?
(a) Krait
(b) Python
(c) Viper
(d) None of these
(b) Python
(18) Which one is excluded from the Phylum Chordata.
(a) Urochordata
(b) Hemichordata
(c) Cephalochordata
(d) None of these
(b) Hemichordata
(19) The earliest known species of birds is:
(a) Archaeopteryx
(b) Hesperornis
(c) Ichthyornis
(d) None of these
(a) Archaeopteryx
(20) A muscular diaphragm helps to move air into and out of the lungs in:
(a) Amphibians
(b) Reptilians
(c) Avians
(d) Mammalians
(e) None of these
(d) Mammalians
Paper II ZOOLOGY
8. Write only the correct answer in the Answer Book. Do not reproduce the questions.
(1) “Chiasma” formation could be seen first time in the following stage/sub stage of Meiosis:
(a) Leptotene
(b) Zygotene
(c) Pachytene
(d) Diplotene
(e) None of these
(b) Zygotene
(2) In protein synthesis each triplet code binds itself with one:
(a) Leptotene
(b) Zygotene
(c) Diplotene
(d) None of these
(b) Zygotene
(3) For the rapid production of antibody in the precipitate test involving a rabbit one of the following animals could be used.
(a) Frog
(b) Lizard
(c) Fowl
(d) None of these
(c) Fowl
(4) In Drosophila very rarely father transmit his sex-linked trait to his normal son (in a cross of white eyed female with red eyed male):
(a) In the case of primary non-disjunction
(b) In the case of secondary non-disjunction
(c) In the case of a normal cross
(d) None of these
(5) 13:3 Ration in “F2” is obtained in the case of:
(a) Complementary genes for colours in corn
(b) Coat colours in rodents
(c) In epistatic genes
(d) None of these
(a) Complementary genes for colours in corn
(6) Crossing over rarely or never takes place in the male of:
(a) Mice
(b) Poultry
(c) Man
(d) Drosophila
(e) None of these
(d) Drosophila
(7) XXY individual in Drosophila is phenotypically:
(a) Male
(b) Female
(c) Inter sex
(d) None of these
(a) Male
(8) Fossils of which of these first living organisms were found?
(a) Protozoan
(b) Algea
(c) Virus
(d) None of these
(a) Protozoan
(9) Which of these are exclusively functional proteins?
(a) Hormones
(b) Enzyme
(c) Plasma
(d) None of these
(b) Enzyme
(10) Phytogeny represents the history of an organism:
(a) Evolutionary
(b) Embryonic
(c) Both ‘a’ and ‘b’
(d) None of these
(a) Evolutionary
(11) Sickle Cell trait is found in:
(a) Homozygous
(b) Heterozygous
(c) Both ‘a’ and ‘b’
(d) None of these
(b) Heterozygous
(12) The first living and respiring organism on earth were:
(a) Aerobes
(b) Anaerobes
(c) Both ‘a’ and ‘b’
(d) None of these
(b) Anaerobes
(13) The major portion of digestion takes place in the:
(a) Stomach
(b) In the small intestine
(c) In the large intestine
(d) None of these
(b) In the small intestine
(14) Practically all absorption of digested food occurs in:
(a) Large intestine
(b) Small intestine
(c) Both ‘a’ and ‘b’
(d) None of these
(b) Small intestine
(15) Sibling species are produced as a result of:
(a) Allopatric speciation
(b) Sympatric speciation
(c) Both ‘a’ and ‘b’
(d) None of these
Allopatric speciation
(16) In the days just after its formation the earth had:
(a) Reducing atmosphere
(b) Oxidative atmosphere
(c) Both ‘a’ and ‘b’
(d) None of these
(a) Reducing atmosphere
(17) Zygotes containing “XY” are females in:
(a) Drosophila
(b) In moths
(c) In grasshoppers
(d) None of these
(a) Drosophila
(18) The “Y” Chromosomes is sexually neutral in:
(a) Man
(b) In Drosophila
(c) In moth
(d) None of these
(d) None of these
(19) Marsupial are found in:
(a) Only Australian region
(b) In near arctic and Neotropical regions
(c) Both ‘a’ and ‘b’
(d) None of these
(d) None of these
(20) In which stage of Meiosis Cento mere of each dyad divides?
(a) Metaphase I
(b) Metaphase II
(c) Anaphase I
(d) Anaphase II
(e) None of these
(b) Metaphase II
2005 ZOOLOGY Paper I
7. Write only the correct answer in the answer book.Donot reproduce the question.1. Coelom is the body cavity originating from
a) ectoderm
b) mesoderm
c) endoderm
d) none of these
b) mesoderm
2. Cytopharynx is the structure present in
a) Amoeba
b) paramecium
c) Euglena
d)foraminifers
e) none of these
b) paramecium
3. Gemmules are the reproductive structures produced in
a) sponges
b) Annelids
c) Arthropods
d) coelentrates
a) sponges
4. Comb plates are very specific structures of
a) coelenterates
b) Arthropoda
c) ctenophora
d) none of these
c) ctenophora
5. Nerve net is present in coelenterates at
a) in endodermis
b) below upper epidermis
c) in mesoglea
d) not present in coelentrates
b) below upper epidermis
6. Circulatory system in insects is
a) Closed type
b) open type
c) lymphic type
d) All of these
b) open type
7. Silk is produced by silkworm
a) larva
b) adult
c) pupa
d) All of these
a) larva
8. The basic function of a flame cell is
a) excretion
b) osmoregulation
c) digestion
d) none of these
a) excretion
9. The scale in fishes are
a) ectodermal
b) endodermal
c) mesodermal
d) different in different fishes
c) mesodermal
10. The neck of a camel has vertebras:
a) 14
b) 9
c) 7
d) 20
e) none of these
c) 7
11. Spiders are Arachnids and they have legs
a) 6
b) 8
c) 9
d) none of these
b) 8
12. Gill slits in chordates are present in
a) mouth
b) pharynx
c) oesophagus
d) All of these
b) pharynx
13. Birds are flying and have ovaries
a) one on right side
b) both on right and left side
c) one on any side
d) one on left side
d) one on left side
14. Adult echinoderm has symmetry
a) Bilateral
b) radial
c) both a and b
d) none of these
b) radial
15. The typical characters of all mammals is
a) mammary glands
b) brain
c) hair
d) All of these
d) All of these
16. Mouth in shark is located
a) dorsal
b) ventral
c) anterior end
d) none of these
b) ventral
17. The number of ribs in frog are
a) 4
b) 6
c) 8
d) none of these
d) none of these
18. Earth worm are dissected from side
a) Dorsal
b) ventral
c) both a and b
d) lateral
a) Dorsal
19. Duck billed platypus is a
a) Bird
b) placental mammal
c) monotreme
d) Marsupial
c) monotreme
20. Silver fish is a member of
a) pisces
b) insects
c) echinodermata
d) none of these
b) insects
Paper II ZOOLOGY
8. Write only the correct answer in the answer book.Donot reproduce the question1. The chemical composition of a chromosome is :
a) lipoprotein
b) polysaccharide
c) nucleoprotein
d) None of these
c) nucleoprotein
2. Lysosomes are responsible for:
a) Protein
b) ATP formation
c) intracellular breakdown
d) None of these
c) intracellular breakdown
3. Ribosomes are located on:
a) cell membrane
b) rough endoplasmic reticulum
c) mitochondria
d) nuclear membrane
e) None of these
b) rough endoplasmic reticulum
4. The metaphase chromosomes are thick because these
a) multiply
b) duplicate
c) coiled coiling
d) none of these
c) coiled coiling
5. Glycolysis occur in
a) cytoplasm
b) mitochondria
c) cell membrane
d) all of these
a) cytoplasm
6. Nerves convey the message in the form of
a) physical impulse
b) chemical impulse
c) electrical impulse
d) none of these
c) electrical impulse
7. Follicle stimulating hormone is produced in:
a) ovary
b) pituitary
c) hypothalamus
d) all of these
b) pituitary
8. The primary excretory product is
a) Ammonia
b) Carbon dioxide
c) feaces
d) none of these
a) Ammonia
9. Pepsin is responsible for digestion of:
a) carbohydrate
b) lipid
c) protein
d) all of these
c) protein
10. XXY individual in men is phenotypically
a) male
b) female
c) intersex
d) none of these
a) male
11. Sex linked genes are located on :
a) only on X chromosome
b) only on Y chromosome
c) sex chromosome
d) All of these
a) only on X chromosome
12. Mendelian segregation is applicable to :
a) gametogenesis
b) meiosis
c) spore formation
d) none of these
a) gametogenesis
13. the number of the alleles of a gene in a diploid individual is:
a) any number
b) one
c) two
d) three
b) one
14. The gene mapping is measured in:
a) Millimeters
b) microns
c) Angstrom
d) centimorgans
d) centimorgans
15. Genetic dominance concerns with the phenotypic expression in:
a) heterozygous
b) homozygous
c) both a and b
d) none of these
a) heterozygous
16. The first living organism was
a) Algal cell
b) virus
c) bacteria
d) none of these
c) bacteria
17. Enzymes are chemically
a) carbohydrates
b) lipids
c) lipoproteins
d) proteins
d) proteins
18. Theory of natural selection was initially proposed by:
a) Darwin
b) Wallace
c) both Darwin and Wallace
d) Eyll
a) Darwin
19. Second law of thermodynamics demand
a) energy stability
b) energy loss during transfer of energy
c) Energy flow from one form to Another
d) none of these
b) energy loss during transfer of energy
20. The basic purpose of ecosystem is
a) maintenance of organisms
b) energy flow
c) chemical movements
d) none of these
b) energy flow
2006 ZOOLOGY Paper I
Q.7. Write only the correct answer in the answer book.Donot reproduce the question.
(1) Contractile vacoule in protozoa is basically responsible for
(a) Excretion
(b) osmoregultion
(c) Feeding
(d) All of these.
(b) osmoregultion
(2) Pneumatocysts are typically present in
(a) Porifera
(b) Annelida
(c) Coelentrata
(d) Protozoa
(c) Coelentrata
(3) Pinococysts are present in
(a) Echinodermata
(b) Arthropoda
(c) Porifera
(d) None of these.
(c) Porifera
(4) Nerve cord is dorsally located in
(a) Annelids
(b) Mollusca
(c) Arthropodes
(d) None of these
(d) None of these
(5) Open circulatory system is present in
(a) Annelids
(b) Insects
(c) Reptiles
(d) Mammals
(b) Insects
(6) Sponges are present in
(a) Marine
(b) Freshwater
(c) Moist places
(d) Both (a) and (b)
(d) Both (a) and (b)
(7) Telson is present in
(a) Annelids
(b) Arthropoda
(c) Molluse
(d) Chordates
(b) Arthropoda
(8) Entamoeba histolytica is a member of class
(a) Scyphozoa
(b) Polycheata
(c) Mastigophora
(d) None of these
(d) None of these
(9) A house fly has legs
(a) 8
(b) 10
(c) 6
(d) 4
(d) 4
(10) Wasps bite using
(a) Mouth
(b) Proboscis
(c) Genital claspers
(d) None of these
(b) Proboscis
(11) Number of cranial nerves in fish
(a) 10
(b) 12
(c) 8
(d) None of these
(a) 10
(12) Frog has ribes
(a) 6
(b) 12
(c) 4
(d) None of these
(d) None of these
(13) Scales in reptiles are
(a) Ectodermal
(b) mesodermal
(c) Both a & b
(d) Endodermal
(a) Ectodermal
(14) Gill slits in Amphioxus are present
(a) Mouth
(b) Neck
(c) Pharynx
(d) Head
(c) Pharynx
(15) Giraffe has neck vertbrea
(a) 15
(b) 10
(c) 7
(d) None of these
(c) 7
(16) Duck billed platypus has on its body
(a) Feathers
(b) Hairs
(c) Scales
(d) None of these
(a) Feathers
(17) Pulmonary vein in mammals carries blood
(a) Deoxygenated
(b) oxygenated
(c) Both a&b
(d) None of these
(b) oxygenated
(18) RBCs in amphibians are
(a) Nucleated
(b) Without nucleus
(c) Both a&b
(d) None of these
(a) Nucleated
(19) Python kills its prey by
(a) poison biting
(b) Constriction
(c) Both a&b
(d) None of these
(b) Constriction
(20)The location of mouth is ventral in
(a) Bony fish
(b) permyzaon
(c) Shark
(d) None of these
(c) Shark
ZOOLOGY Paper II
Q.8.Write only the correct answer,in the answer book dont reproduce the question.1) Cell membrane is chemically
a. nucleoprotein
b. lipoprotein
c. lipid
d. protein
b. lipoprotein
2). ATP is produced in
a. golgi complex
b. lysosome
c. mitochondria
d. none of these
c. mitochondria
3).Transcription is the phenomenon involved with
a. mRNA formation
b. binding of aminoacid
c. DNA replication
d. all of these
a. mRNA formation
4) Glycolsis accurs in
a. endoplasmic recticulum
b. cytoplasm
c. mitichondria
d. golgi bodies
b. cytoplasm
5) Centromere in a chromosome is heterochromatic as it
a. do not divide
b. helps chromosomal attachment with the spindle
c. do not go a regular change in the cell cycle
d. all of these together
6) Neurotransmitter are involved in
a. nerve transmission
b. synoptic transmission
c. chemical transmission
d. b & c
e. a & c
d. b & c
7) Pepsin is the chemical involved in
a. Protein breakdown
b. carbohydrates breakdown
c. protein synthesis
d. lipid breakdown
a. Protein breakdown
8) Food is assimilated into the body from digestive tract in
a. oesophagus
b. stomach
c. small intestine
d. rectum
c. small intestine
9) Excretory product is produced through the breakdown of
a. protein
b. carbohydrates
c. lipid
d. all of these
a. protein
10) Basic process of respiration occurs in
a. lungs
b. mitochondria
c. blood circulation
d. none of these
b. mitochondria
11) Genetic dominance involves
a. personality dominance
b. better adaptive value
c. a wider population distribution
d. all a,b & c
e. none of the above
12) Principle of segregation is applicable to
a. Hetrozygous individual only
b. homozygous indvidual only
c. Diploid individual
d. none of these
c. Diploid individual
13) XXY individual in man is phenotypically a
a. Female
b. male
c. super female
d. super male
b. male
14) sex linkage concerns with the gene
a. Responsible for the development of sex
b. Associate with some sex
c. Located on X chromosome only
d. located on sex chromosome
c. Located on X chromosome only
15) Cistron is the smallest part of the chromosome working as
a. Mutational unit
b. functional unit
c. Recombinational unit
d. None of these
b. functional unit
16) First living organism on this planet was
a. an algal cell
b. a virus
c. a protozoa
d. none of these
d. none of these
17) Darwin's theory of natural selection believe in selection of
a. the fittest
b. fitters
c. better adapted individual
d. All of these
d. All of these
18) The raw material for evolution comes from
a. Mutation
b. Chromosomal aberration
c. Recombination
d. All of these
a. Mutation
19) A group develops to adapt a number of diverse niches.The phenomena is called as
a. Convergent evolution
b. Divergent
c. Punctuated evolution
d. none of these
b. Divergent
20) Linnaeus was the father of classification and was
a. Not believer of evolution
b. strong believer of evolution
c. believer of limited evolution
d. Believer of natural selection
b. strong believer of evolution
