- 1(current)
Q. No.| Assertion (A): | Organisms living in oceans do not face any water-related problems. |
| Reason (R): | Life on Earth originated in water and is not sustainable without water. |
| 1. | Both (A) and (R) are true but (R) does not explain (A). |
| 2. | (A) is true but (R) is false. |
| 3. | (A) is false but (R) is true. |
| 4. | Both (A) and (R) are true and (R) explains (A). |
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| I. | migrate temporarily |
| II. | suspend their development till the return of favourable conditions |
| III. | become ‘regulators’ if they are ‘conformers’ |
1. Only I and II
2. Only I and III
3. Only II and III
4. I, II and III
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Darwinian fitness is represented by:
| 1. | Low r value | 2. | High r value |
| 3. | High K value | 4. | Low K value |
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As a part of their reproductive strategy, pelagic fishes:
| 1. | Produce a large number of small-sized offspring |
| 2. | Produce a small number of small-sized offspring |
| 3. | Produce a large number of large-sized offspring |
| 4. | Produce a small number of large-sized offspring |
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Which of the following organisms does not breed only once in their life time?
| 1. | Pacific salmon | 2. | Marsupial mice |
| 3. | Birds | 4. | Bamboo |
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
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- 1(current)
Q. No.
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