Explore topic-wise MCQs in Microbiology.

This section includes 16 Mcqs, each offering curated multiple-choice questions to sharpen your Microbiology knowledge and support exam preparation. Choose a topic below to get started.

1.

The dark reaction in photosynthesis is governed by __________

A. CO2, temperature, and light
B. CO2, light, and water
C. water, temperature, and CO2
D. oxygen, water, and temperature
Answer» B. CO2, light, and water
2.

The final product of Calvin cycle is _________

A. RuBP
B. Glucose
C. Dihydroxy acetone phosphate
D. Glyceraldehyde-3-phosphate
Answer» E.
3.

RuBisCO enzyme plays an important role in __________

A. light phase
B. dark phase
C. electron transport chain
D. TCA cycle
Answer» C. electron transport chain
4.

Purple Sulphur Bacteria contains bacteriochlorophyll b and bacteriochlorophyll c.

A. True
B. False
Answer» C.
5.

An essential process connected with photosynthesis is?

A. photolysis
B. synthesis of glucose
C. photophosphorylation
D. electron transfer
Answer» B. synthesis of glucose
6.

Which of the following acts as a chemical reductant in bacterial photosynthesis?

A. oxygen
B. water
C. hydrogen sulphide
D. ammonia
Answer» D. ammonia
7.

THE_FINAL_PRODUCT_OF_CALVIN_CYCLE_IS__________?$

A. RuBP
B. Glucose
C. Dihydroxy acetone phosphate
D. Glyceraldehyde-3-phosphate
Answer» E.
8.

The_dark_reaction_in_photosynthesis_is_governed_by___________$

A. CO<sub>2</sub>, temperature, and light
B. CO<sub>2</sub>, light, and water
C. water, temperature, and CO2
D. oxygen, water, and temperature
Answer» B. CO<sub>2</sub>, light, and water
9.

RuBisCO enzyme plays an important role in _________?

A. light phase
B. dark phase
C. electron transport chain
D. TCA cycle
Answer» C. electron transport chain
10.

Chlorobium sp. is which type of bacteria?

A. Purple Sulphur Bacteria
B. Purple Non-sulphur Bacteria
C. Green Sulphur bacteria
D. Green Non-sulphur bacteria
Answer» D. Green Non-sulphur bacteria
11.

Purple Sulphur Bacteria contains bacteriochlorophyll b and bacteriochlorophyll c

A. True
B. False
Answer» C.
12.

An essential process connected with photosynthesis is

A. photolysis
B. synthesis of glucose
C. photophosphorylation
D. electron transfer
Answer» B. synthesis of glucose
13.

Which of the following steps during electron transfer in anoxygenic photosynthesis is the ATP production step?

A. Ferredoxin to ubiquinone
B. ubiquinone to cyt b
C. cyt b to cyt f
D. cyt f to excited bacteriochlorophyll
Answer» D. cyt f to excited bacteriochlorophyll
14.

Where are bacteriochlorophyll present in the cell?

A. chloroplast
B. cytoplasm
C. mitochondria
D. membrane
Answer» E.
15.

The region in which bacteriochlorophyll can absorb light is _________

A. ultraviolet region
B. infrared region
C. visible region
D. microwave region
Answer» C. visible region
16.

Which of the following acts as chemical reductant in bacterial photosynthesis?

A. oxygen
B. water
C. hydrogen sulphide
D. ammonia
Answer» D. ammonia