PUNJAB PUBLIC SERVICE COMMISSION
COMBINED COMPETITIVE EXAMINATION
FOR RECRUITMENT TO TFIE POSTS OF
PROVINCIAL MANAGEMENT SERVICE, ETC
COMBINED COMPETITIVE EXAMINATION
FOR RECRUITMENT TO TFIE POSTS OF
PROVINCIAL MANAGEMENT SERVICE, ETC
ZOOLOGY (OPTIONAL) PAPER-I
TIME ALLOWED: 3 HOURS MAXIMUM MARKS: 100
TIME ALLOWED: 3 HOURS MAXIMUM MARKS: 100
Note: Attempt any FIVE questions in all, selecting at least TWO questions from each section.
Write Answers in English.
SECTION-I
Q.1: (a) Give an account of Gas Exchange, Filter Feeding and Digestion in class Bilva'via. (12)
(b) Explain the Nervous and Sensory Functions in class Polychaeta in detail. (08)
Q.2: (a) Describe the reproduction along with various developmental stages in Phylum Porifera (Sponges). (10)
(b) Discuss the External structure, Feeding and Digestion in leech (class Hirudinea). (10)
Q.3: Discuss Evolution of Excretory system in Invertebrate Phyla. (20)
Q.4: Write short notes on any Four of the following:
(a) Some important Tapeworm parasites in humans. (5,5,5,5)
(b) Locomotion in protozoa.
(c) Mechanism of Torsion in class Gastropoda.
(d) Evolution of Social Behaviour of insects.
(e) Exoskeleton in Arthropods.
SECTION-II
Q.5: (a) Give an account of Excretion and Osmoregulation in fishes. (12) (b) Discuss evolutionary trends and perspectives in Reptiles. (08)
Q.6: (a) Give a brief account of circulation, Gas Exchange and temperature regulation in Amphibians. (15)
(b) Discuss the Vertebral column and Appendicular skeleton in mammals. (05)
Q.7: (a) Describe the external structure and its relationship to
locomotion in Birds (class Ayes). (15)
(b) Discuss briefly temperature regulation in Reptiles. (05)
Q.8: Write short notes on any Four of the following: (5,5,5,5)
(a) Diversity of mammals
(b) Winter Sleep and Hibernation.
(c) Vocalization in Amphibians
(d) Digestion in birds
(e) Biting mechanism of snakes
