MCQOPTIONS
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MCQOPTIONS
This section includes 21 Mcqs, each offering curated multiple-choice questions to sharpen your Microbiology knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Which of the following organism have siliceous skeletons? |
| A. | Foraminifera |
| B. | Coccolithophores |
| C. | Radiolaria |
| D. | Cyanobacteria |
| Answer» D. Cyanobacteria | |
| 2. |
Which of the following product is not obtained from dissimilation of organic matter under aerobic conditions? |
| A. | ammonium |
| B. | sulphate |
| C. | methane |
| D. | phosphate |
| Answer» D. phosphate | |
| 3. |
In which of the following water bodies, fertility is high? |
| A. | open sea |
| B. | coastal regions |
| C. | lakes |
| D. | rivers |
| Answer» C. lakes | |
| 4. |
Which among the following oceans is the most richest in life? |
| A. | Antarctic Ocean |
| B. | Atlantic Ocean |
| C. | Pacific Ocean |
| D. | Indian Ocean |
| Answer» B. Atlantic Ocean | |
| 5. |
Which among the following factors are limiting the growth of phytoplankton organisms? |
| A. | carbon dioxide |
| B. | radiant energy |
| C. | water |
| D. | radiant energy,nitrogen |
| Answer» E. | |
| 6. |
What amount of dry organic matter is produced by deep ocean areas? |
| A. | 1g |
| B. | 10g |
| C. | 0.5g |
| D. | 100g |
| Answer» D. 100g | |
| 7. |
The term fertility of oceans is used to express the capacity for the production of inorganic matter. |
| A. | True |
| B. | False |
| Answer» C. | |
| 8. |
Which among the following are referred to as the “pasture of the sea”? |
| A. | fishes |
| B. | algae |
| C. | nematodes |
| D. | phytoplankton |
| Answer» E. | |
| 9. |
WHICH_AMONG_THE_FOLLOWING_FACTORS_ARE_LIMITING_GROWTH_OF_PHYTOPLANKTON_ORGANISMS??$ |
| A. | carbon dioxide |
| B. | radiant energy |
| C. | water |
| D. | radiant energy,nitrogen |
| Answer» E. | |
| 10. |
In which of the following water bodies, fertility is high?$ |
| A. | open sea |
| B. | coastal regions |
| C. | lakes |
| D. | rivers |
| Answer» C. lakes | |
| 11. |
Which_among_the_following_oceans_is_the_most_richest_in_life?$ |
| A. | Antarctic Ocean |
| B. | Atlantic Ocean |
| C. | Pacific Ocean |
| D. | Indian Ocean |
| Answer» B. Atlantic Ocean | |
| 12. |
Which of the following organism have siliceous skeletons? |
| A. | Foraminifera |
| B. | Coccolithophores |
| C. | Radiolaria |
| D. | Cyanobacteria |
| Answer» D. Cyanobacteria | |
| 13. |
Which_of_the_following_product_is_not_obtained_from_dissimilation_of_organic_matter_under_aerobic_conditions? |
| A. | ammonium |
| B. | sulphate |
| C. | methane |
| D. | phosphate |
| Answer» D. phosphate | |
| 14. |
What amount of dry organic matter is produced by the deep ocean areas? |
| A. | 1g |
| B. | 10g |
| C. | 0.5g |
| D. | 100g |
| Answer» D. 100g | |
| 15. |
The term fertility of oceans is used to express the capacity for production of inorganic matter. |
| A. | True |
| B. | False |
| Answer» C. | |
| 16. |
Which among the following are referred to as the “pasture of the sea”?$ |
| A. | fishes |
| B. | algae |
| C. | nematodes |
| D. | phytoplankton |
| Answer» E. | |
| 17. |
Which of the following aquatic organisms contribute in a small amount to the shallow estuary food web? |
| A. | benthic algae |
| B. | bacteria |
| C. | protozoa |
| D. | nematodes |
| Answer» B. bacteria | |
| 18. |
n which of the following water bodies, the role of photosynthetic organisms is considerably reduced? |
| A. | Lakes |
| B. | Ponds |
| C. | Estuaries |
| D. | Streams |
| Answer» D. Streams | |
| 19. |
The biological activity of an aquatic ecosystem is dependent upon which of the following factors? |
| A. | number of primary producers |
| B. | amount of chemical energy produced |
| C. | rate of primary production |
| D. | number of deaths of organisms |
| Answer» D. number of deaths of organisms | |
| 20. |
The primary producers transform radiant energy into heat energy. |
| A. | True |
| B. | False |
| Answer» C. | |
| 21. |
The primary producers in the marine system are ________________ |
| A. | protozoa |
| B. | cyanobacteria |
| C. | fungi |
| D. | cyanobacteria and eukaryotic algae |
| Answer» E. | |