MCQOPTIONS
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MCQOPTIONS
This section includes 15 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 is a unit of net productivity? |
| A. | Production of C/g/m<sup>2</sup>/day |
| B. | g<sup>-2</sup> or kcal m<sup>-2</sup> |
| C. | g<sup>-2</sup> yr<sup>-1</sup> |
| D. | kcal m<sup>-2</sup> yr<sup>-1</sup> |
| Answer» B. g<sup>-2</sup> or kcal m<sup>-2</sup> | |
| 2. |
What is the rate of storage of organic matter not used by consumers called? |
| A. | Gross primary productivity |
| B. | Net primary productivity |
| C. | Secondary productivity |
| D. | Net productivity |
| Answer» E. | |
| 3. |
What is the balance between photosynthesis and respiration and other plant losses as death referred to? |
| A. | Gross primary productivity |
| B. | Net primary productivity |
| C. | Primary productivity |
| D. | Net productivity |
| Answer» C. Primary productivity | |
| 4. |
What is a frog that feeds on insects example of? |
| A. | Decomposer |
| B. | Primary consumer |
| C. | Secondary consumer |
| D. | Tertiary consumer |
| Answer» D. Tertiary consumer | |
| 5. |
Which of the following contributes to the highest rate of primary productivity? |
| A. | Deserts |
| B. | Grasslands |
| C. | Coral reef |
| D. | Agricultural ecosystem |
| Answer» C. Coral reef | |
| 6. |
What is the rate of production of new organic matter by heterotrophic organisms (consumers) called? |
| A. | Gross primary productivity |
| B. | Net primary productivity |
| C. | Secondary productivity |
| D. | Primary productivity |
| Answer» D. Primary productivity | |
| 7. |
What is NPP equal to? |
| A. | GPP |
| B. | GPP + R |
| C. | GPP / R |
| D. | GPP R |
| Answer» E. | |
| 8. |
What is the available biomass for the consumption of heterotrophs? |
| A. | GPP |
| B. | GAP |
| C. | NPP |
| D. | NAG |
| Answer» D. NAG | |
| 9. |
By what letter is the net primary productivity designated? |
| A. | NAM |
| B. | NAG |
| C. | NTP |
| D. | NPP |
| Answer» E. | |
| 10. |
By what letter is the gross primary productivity designated? |
| A. | GMP |
| B. | GPP |
| C. | GAP |
| D. | GTP |
| Answer» C. GAP | |
| 11. |
What are the two types of primary productivity? |
| A. | Gross primary productivity and secondary productivity |
| B. | Net primary productivity and secondary productivity |
| C. | Net and Gross primary productivity |
| D. | Net primary productivity and tertiary productivity |
| Answer» D. Net primary productivity and tertiary productivity | |
| 12. |
Which of the following is a unit of productivity? |
| A. | g<sup>-2</sup> or kcal m<sup>-2</sup> |
| B. | kcal |
| C. | g |
| D. | g<sup>-2</sup> yr<sup>-1</sup> or kcal m<sup>-2</sup> yr<sup>-1</sup> |
| Answer» E. | |
| 13. |
Which of the following is a unit of primary productivity? |
| A. | g |
| B. | g<sup>-2</sup> or kcal m<sup>-2</sup> |
| C. | kcal |
| D. | m |
| Answer» C. kcal | |
| 14. |
What is the rate of biomass production called? |
| A. | Productivity |
| B. | Decomposition |
| C. | Photosynthesis |
| D. | Respiration |
| Answer» B. Decomposition | |
| 15. |
What is the rate at which solar energy is converted and stored by the producers per unit area over a time period called? |
| A. | Primary productivity |
| B. | Tertiary productivity |
| C. | Gross primary productivity |
| D. | Net productivity |
| Answer» C. Gross primary productivity | |