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Q. No.A functional unit of nature, where living organisms interact among themselves and also with the surrounding physical environment, is called as:
| 1. | A population | 2. | A species |
| 3. | A biological community | 4. | An ecosystem |
Subtopic: Introduction |
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Physical structure of an ecosystem:
1. Only I is correct
2. Only II is correct
3. Both I and II are correct
4. Both I and II are incorrect
| I: | is same for all types of ecosystems. |
| II: | is the result of interaction of biotic and abiotic components. |
2. Only II is correct
3. Both I and II are correct
4. Both I and II are incorrect
Subtopic: Introduction | ECOSYSTEM – STRUCTURE AND FUNCTION |
66%
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Vertical distribution of different species occupying different levels in an ecosystem is called:
| 1. | edge effect | 2. | ecotone |
| 3. | stratification | 4. | canopy structure |
Subtopic: Introduction |
95%
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Consider the given two statements:
| Assertion (A): | Temperature is the most important abiotic factor affecting living organisms. |
| Reason (R): | Temperature affects enzyme kinetics. |
| 1. | Both (A) and (R) are True and (R) is the correct explanation of (A) |
| 2. | Both (A) and (R) are True but (R) is not the correct explanation of (A). |
| 3. | (A) is True but (R) is False. |
| 4. | (A) is False but (R) is True. |
Subtopic: Introduction |
84%
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