

MCQOPTIONS
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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 | |