1. Unit of classification in between class and family
a) Genus b) Species c) Order d) Phylum
2. The class of corn is
a) Zea b) Mays c) Poaceae d) Monocotyledonae
3. in 1866 Ernst Hackle divided living organisms into
a) Two kingdoms b) Three kingdoms
c) Six kingdoms d) Five kingdoms
4. Which of the following mode nutrition was used by Robert Whittaker for the classification
a) Photosynthesis b) Absorption c) Ingestion d) All of these
5. Which scientist used cytology genetics and organelles of symbiotic origin along with mode of nutrition for classification
a) Robert Whittekar b) Margulis and Schwartz
c) Ernst Hackle d) Carolous Linnaeus
6. One of the following is considered ancestor of all other
a) Plantae b) Fungi c) Protista d) Animalia
7. Mature non enveloped virus is composed of
a) Genome only b) Prion only c) Genome and capsid
d) Nucleic acid + Protein coat + memberane of the host cell
8. The structure of virus which belongs to the host cell
a) Envelope b) The capsid c) The genome d) All of these
9. Prion is A / An
a) Infections part of virion b) Infectious proteins only
c) A piece of RNA d) A piece of DNA
10. The first virus to be isolated in crystal from by Stanley
a) Bacteriophage b) Cowpox virus
c) Tobaccomosaic virus d) Polio virus
11. Tail fibers are attached to which one of the following component of tail
a) Sheath b) Core c) Collar d) End plate
12. The structure of virus injected by bacteriophage during lytic cycle
a) Tail fibers b) Tail c) Protein coat d) DNA
13. The process of separation of prophage to start Lytic cycle is known as
a) Adsoption b) Lysogeny c) Induction d) Penetration
14. The statement not tru about lysogenic bacteria
a) They can be attached by any virus
b) They have prophage and are resistant to infection by the same virus
c) Virus not related to infection virus can attack
d) Can not be attacked by related virus 15. Polio virus is
| a) Rod shaded b) tadpole like c) Rick like d) 16. Disease caused by the smallest known virus a) Herpes simplex b) Polio c) Mumps d) Smallpox 17. All of the following are the characteristics or virus except a) Have both DNA and RNA b) Have no membrane bonded organelle c) Cannot reproduce out side living cell d) Gave no membrane to exit entry of substances 18. Out side the living cell virus exist in the form known as | Spherical |
| a) Viroid b) Capsid c) Virion d) 19. Reverse transcriptase is an enzyme contained by | Prion |
| a) All viruses b) Retrovirus c) Bacteriophage | d) Plant virus |
20. Viruses are considered non living because
| a) They produce variations | b) They form crystals |
| c) Their nucleis acid code for protein synthesis | d) They can reproduce |
21. Which of the following are found in all virus
a) Envelope, capsid and nucleic acid b) DNA, RNA and protein
c) Protein and nucleic acid d) Protein, nucleic acids carbohydrates and lipids
22. Which one of the following is the only infections protein
a) Viroid b) Virion c) Prion d) Envelop
23. Which of the following information transfer is catalyzed by an enzyme reverse transcritpase
a) RNA ----RNA b) RNA ------ DNA
c) DNA-----RNA d) DNA-------DNA
24. Which of the following is common in both bacteria and virus
a) Nucleic acid as genetic material b) Binary fision
c) Mitosis d) Ribosomes
25. Which one of the following is not included in the envelope of bacteria
a) Cell wall b) Pilli c) Capsule d) Slime
26. All of the followings are true about cysts of bacteria except
a) Heat resistant b) Thick walled
c) Desiccation Resistant d) Formed during differentiation of vegetative cells
27. The protoplast of bacterial cell lack which of the following
| a) Nucleus b) Ribosome c) Plasmid 28. Substance used to kill microbes in living tissues | d) | Mesosome |
| a) Antiseptics b) Disinfectants c) Antibiotics 29. Which of the following is sterilized by membrane filters | d) | All of these |
| a) Sera b) Antibiotics c) hormones 30. One of the following is not used as chemotherapeutic | d) | All of these |
| a) Alcohol b) Sulfonamides c) Tetracycline d) | Penicillin | |
31. Microaerophlic bacteria can grow in
a) In the absence of free oxygen
b) In the presence of free oxygen
c) In the absence or presence of free oxygen
d) In the presence of very low concentration of oxygen
32. Coli is a / an
a) Aerobic bacteria b) Anaerobic bacteria
c) Facultative bacteria d) Microaerophilic
33. Which of the following bacteria can grow in the presence of very low concentration of oxygen
a) Pseudomonas b) Spirochete c) Coli d) Campylobacter
34. Sulphur is produced as a by product during the activity of which type of bacteria
a) Photosynthetic b) Chemosynthetic
c) Saprophytic d) Parastic
35. During which phase of reproduction death rate becomes equal to new formed bacteria
a) Lag b) Log c) Stationary d) Decline
36. Rigid spiral bacteria is called
a) Vibrio b) Spirillum c) Spirochete d) Sarcina
37. Hyphomicrobium is a bacteria shaped like
a) Spiral b) Rod c) Sphere d) Ladder
38. Gram positive or negative bacteria grouping is on the bases of their
a) Capsle b) Cyst c) Cell wall d) Cell membrane
39. In which bacteria flagella are surrounding the whole bacterial cell
a) Atrichous b) Amphitrichous c) Peritrichous d) Lophotrichous
40. The structure which is chemo taxis in bacteria
a) Capsule b) Pilli c) Cyst d) Flagella
![Shab-e-Meraj 2019 Quotes, SMS, Sayings, Ibadat and Whatsapp Status [ Video ]](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEihbpcC0YuzO5A_IczMCz0KuUwmoqwahARLyK4C4IVW7SngFLEQ2JQnRZkz6EwfJaRT39BxqlsTsszdLdWyzyVM4akmKI19J_ck0kiadQugyDCYmeDDtS-w_4kmpiS8e3StU1uoRa0eUvQ/w680/shab-e-meraj-2019-quotes-sms-sayings-Ibadat-and-Whatsapp-Status-Video.jpg)
