Biology Class 11 Chapter 6 - Kingdom Prokaryotae (Monera) - Part 4

Biology Class 11 Chapter 6 - Kingdom Prokaryotae (Monera) - Part 4

1. Escherichi coli closed circle chromosomes measures approximately _____ Um.

a) 13,000Um
b) 14,000Um
c) 16,000Um
d) 15,000Um

2. Mesosomes are involved in DNA replication and __________ as well as in export of enzyme.

a) Cell division
b) Cell envelope
c) Cell wall
d) Chemosynthetic

3. Cyanobacteria use _________ to move in water.

a) Tetracyclin
b) Gas vesicles
c) Oxygenic
d) Microbistatic

4. Completion of biogeochemical cycle is done by __________ action of bacteria.

a) Saprophytic
b) Arthrax
c) Bacilli
d) Chemotaxis

5. Under favourable condition, __________ from nomial vegetative cell.

a) Akinetes
b) Antisepsis
c) Virion
d) Allergic reaction

6. One of following is anaerobic bacterium:

a) Spirocheta
b) Pseudomonas
c) E-coli
d) Campylobacter

7. Techoic and lipotechoic acid are present only in ________ bacteria.

a) Arthrax
b) Antone van leeuwenhock
c) Gram Positive
d) Saprophytic

8. The process in which we use physical agents to control micro organism is known as ________ process.

a) Antisepsis
b) Storelization
c) Microbistatic
d) Hormogonia

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