MCQOPTIONS
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MCQOPTIONS
This section includes 13 Mcqs, each offering curated multiple-choice questions to sharpen your Biology knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
In a pond ecosystem, which organisms are present in the maximum number? |
| A. | Producers |
| B. | Consumers |
| C. | Decomposers |
| D. | Scavengers |
| Answer» C. Decomposers | |
| 2. |
What is the position of producers in the pyramid of energy? |
| A. | Zero |
| B. | Second |
| C. | First |
| D. | Third |
| Answer» D. Third | |
| 3. |
What is the position of herbivores in a pyramid of biomass? |
| A. | First |
| B. | Second |
| C. | Third |
| D. | Fourth |
| Answer» C. Third | |
| 4. |
Which of the following has maximum numbers, if plants, grasshopper, birds, and lion are the components of an ecosystem? |
| A. | Grasshopper |
| B. | Lion |
| C. | Plants |
| D. | Birds |
| Answer» D. Birds | |
| 5. |
Which of the following is the lowest in number, if plants, grasshopper, birds, and lion are the components of an ecosystem? |
| A. | Birds |
| B. | Grasshopper |
| C. | Plants |
| D. | Lion |
| Answer» E. | |
| 6. |
Though the pyramid of energy is always upright, what decreases at successive trophic levels from producers to consumers? |
| A. | Number of all plants and animals |
| B. | The area at each trophic level |
| C. | Energy content |
| D. | Ecological succession |
| Answer» D. Ecological succession | |
| 7. |
In a stable ecosystem, whose inverted pyramid is not observed? |
| A. | Food |
| B. | Number |
| C. | Biomass |
| D. | Energy |
| Answer» E. | |
| 8. |
On what is the pyramid of numbers based on? |
| A. | The energy at each trophic level |
| B. | Individuals in a trophic level |
| C. | Biomass content at each trophic level |
| D. | The area at each trophic level |
| Answer» C. Biomass content at each trophic level | |
| 9. |
How many types are do ecological pyramids have? |
| A. | Thirteen types |
| B. | Two types |
| C. | Three types |
| D. | Five types |
| Answer» D. Five types | |
| 10. |
What does the pyramid of energy indicate because of which it is said to be the best representation of an ecosystem? |
| A. | Number of all plants and animals |
| B. | Rate of respiration |
| C. | The total rate of photosynthesis |
| D. | The rate of energy flow through the food chain |
| Answer» E. | |
| 11. |
What does the pyramid of number and pyramid of biomass represent? |
| A. | The rate of production of food |
| B. | The relationship among the organisms |
| C. | The rate of respiration |
| D. | The rate of loss of energy |
| Answer» C. The rate of respiration | |
| 12. |
On which basis is the idea of productivity of an ecosystem based? |
| A. | Pyramid of biomass |
| B. | Pyramid of number |
| C. | Ecological succession |
| D. | Pyramid of energy |
| Answer» B. Pyramid of number | |
| 13. |
Which of the following represents the relationship of prey being more than predators? |
| A. | Age structure |
| B. | Pyramid of number |
| C. | Ecological succession |
| D. | Environmental issues |
| Answer» C. Ecological succession | |