Saturday, 21 March 2020

FSc 1st Year Biology Chapter 6 MCQs pdf Download

FSc 1st Year Biology Chapter 6 MCQs pdf Download
If you are looking for the MCQs of Biology 11th class chapter 6 then here we have written all important FSc 1st Year Biology Chapter 6 MCQs pdf Download

I) Tick the Correct Option

1. Aerobic bacteria are:
a) Campylobacter b) E.coli c) Pseudomonas d) None of these
Correct Answer
Pseudomonas

2. Peptidoglycan is absent in:
a) Eubacteria b) Cyanobacteria c) Archaeo Bacteria d) Gram-negative bacteria
Correct Answer
Archaeo Bacteria

3. Which is an aerobic bacterium?
a) E.coli b) Spirochete c) Campylobacter d) Pseudomonas
Correct Answer
Pseudomonas

4. Bacterial endospores function in:
a) Nutrition b) Reproduction c) Survival d) Protein synthesis
Correct Answer
Survival

5. The thick-walled reproductive cell of cyanobacteria are called:
a) Heterocyst b) Trichome c) Hormogonia d) Akinete
Correct Answer
Heterocyst

6. The phase of rapid growth in bacteria is called:
a) Lag b) Log c) Stationary d) Death
Correct Answer
Log
7. The important vector in modern genetic engineering is:
a) Nucleoid b) Mososome c) Ribosome d) Plasmid
Correct Answer
Plasmid

8. Which one of the following require a low concentration of oxygen:
a) E.coli b) Spirochete c) Pseudomonas d) Campylobacter
Correct Answer
Campylobacter

9. Bacteria increase in number by an asexual means of reproduction called:
a) Binary fission b) Regeneration c) Budding d) All of these
Correct Answer
Binary fission

10. Some bacteria are microaerophilic like:
a) Campylobacter b) Pseudomonas c) E.coli d) Spirochete
Correct Answer
Campylobacter

11. Curved or comma-shaped bacteria are called:
a) Vibrio b) Spirillum c) Spirochetes d) Bacilli
Correct Answer
Vibrio

12. Primary involved in conjugation between bacterial cells:
a) Flagella b) Slime c) Capsuled ) Pili
Correct Answer
Pili

13. Reserve food material in cyanobacteria is:
a) Starch b) Glycogen c) Fats d) Glycerol
Correct Answer
Glycogen

14. The cell wall of most bacteria have a unique macromolecule called:
a) Chitin b) Peptidoglycan c) Protoplast d) Cellulose
Correct Answer
Peptidoglycan

15. Some bacteria transfer genetic material from the donor to recipient bacteria during the process:
a) Binary Fission b) Budding c) Regeneration d) Conjugation
Correct Answer
Conjugation

16. Reserve food material in cyanobacteria is in the form of:
a) Sucrose b) Starch c) Proteins d) Glycogen
Correct Answer
Glycogen

17. Chemical substance use on living tissue that inhibits the growth of microorganisms is called:
a) Disinfectants b) Antiseptics c) Chemotherapeutic agent d) Antibiotics
Correct Answer
Antiseptics

18. Mesomes are an internal extension of the:
a) Cell wall b) Capsule c) Cell membrane d) All of these
Correct Answer
Cell membrane
19. Which one of the following is not found in all bacteria:
a) Cell membrane b) Ribosome c) Nucleoid d) Capsule
Correct Answer
Capsule

20. Bacteria which can live in the presence or absence of oxygen is called:
a) Facultative b) Aerobic c) Anaerobic d) Microaerophilic
Correct Answer
Facultative

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