MCQOPTIONS
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| 1. |
Which of the following statements are true about ecosystem? Select the correct answer from the codes: 1. Ecosystem comprises both biotic and abiotic components. 2. Solar radiation is the main driving force of the ecosystem. 3. Ecosystem is a closed system. 4. Ecosystem does not have its own productivity Codes: |
| A. | 1 and 2 |
| B. | 2 and 3 |
| C. | 1 and 3 |
| D. | 3 and 4 |
| Answer» B. 2 and 3 | |