- 1(current)
Q. No.Consider the given two statements:
| Assertion (A): | The wings of insects and birds are analogous. |
| Reason (R): | The wings of insects and birds evolved independently in widely separated groups, and converged functionally to support powered flight |
| 1. | (A) is False but (R) is True. |
| 2. | Both (A) and (R) are True and (R) is the correct explanation of (A). |
| 3. | Both (A) and (R) are True but (R) is not the correct explanation of (A). |
| 4. | (A) is True but (R) is False. |
Subtopic: Â Definition & Types of Evolution |Â A BRIEF ACCOUNT OF EVOLUTION |
 89%
Level 1: 80%+
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Please attempt this question first.
When two species of different genealogy come to resemble each other as a result of adaptation, the phenomenon is termed
1. Convergent evolution
2. Divergent evolution
3. Microevolution
4. Co-evolution
Subtopic: Â Definition & Types of Evolution |
 84%
Level 1: 80%+
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| Assertion(A): | Continental drift caused survival of pouched mammals of Australia. |
| Reason(R): | It was due to lack of competition from any other mammal. |
| 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. | Both (A) and (R) are false. |
Subtopic: Â Definition & Types of Evolution |Â Concept of Speciation |
 90%
Level 1: 80%+
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Evolution of life shows that life forms had a trend of moving from:
| 1. | land to water |
| 2. | dryland to wet land |
| 3. | fresh water to sea water |
| 4. | water to land |
Subtopic: Â Definition & Types of Evolution |Â Concept of Isolation |Â Concept of Speciation |
 88%
Level 1: 80%+
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Q. No.
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