MCQOPTIONS
Saved Bookmarks
MCQOPTIONS
This section includes 9 Mcqs, each offering curated multiple-choice questions to sharpen your Biology knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Which of the following event occurs in an ecosystem? |
| A. | Unidirectional movement of energy |
| B. | Coupled process of cycling of energy and nutrients |
| C. | Independent cycling of energy |
| D. | Recycling of micro and micronutrients at the same speed |
| Answer» B. Coupled process of cycling of energy and nutrients | |
| 2. |
Which of the following is the driving force of an ecosystem? |
| A. | Biomass |
| B. | Consumer |
| C. | Producer |
| D. | Solar energy |
| Answer» E. | |
| 3. |
Who forms the new organic matter giving rise to secondary productivity? |
| A. | Producer |
| B. | Consumer |
| C. | Scavenger |
| D. | Decomposer |
| Answer» C. Scavenger | |
| 4. |
What is the energy stored at the consumer level called? |
| A. | Primary energy |
| B. | Tertiary energy |
| C. | Secondary productivity |
| D. | Net productivity |
| Answer» D. Net productivity | |
| 5. |
What happens when the food energy passes from herbivores to carnivores and to the next organism? |
| A. | Amount of energy increases |
| B. | Amount of energy decreases |
| C. | Energy becomes zero |
| D. | Energy remains unchanged |
| Answer» C. Energy becomes zero | |
| 6. |
On what does the number of individuals in each trophic level depend on? |
| A. | Number of individuals at upper trophic level |
| B. | Number of individuals at top-most trophic level |
| C. | Number of individuals at lower trophic level |
| D. | Amount of sunlight reaching the Earth s surface |
| Answer» D. Amount of sunlight reaching the Earth s surface | |
| 7. |
What is the trophic level of a lion in a forest ecosystem? |
| A. | T<sub>1</sub> |
| B. | T<sub>3</sub> |
| C. | T<sub>0</sub> |
| D. | T<sub>4</sub> |
| Answer» E. | |
| 8. |
Which of the following organisms contain the greatest amount of energy? |
| A. | Heterotrophs |
| B. | Decomposers |
| C. | Autotrophs |
| D. | Scavengers |
| Answer» D. Scavengers | |
| 9. |
Which of the following phenomenon is responsible for the initiation of a food chain? |
| A. | Decomposition |
| B. | Respiration |
| C. | Fixation |
| D. | Photosynthesis |
| Answer» E. | |