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Q. No.
Consider the given two statements:
Assertion (A): Ernst Haeckel’s proposal for embryological support for evolution was disapproved by Karl Ernst von Baer.
Reason (R): Karl Ernst von Baer noted that embryos pass through the adult stages of other animals.
 
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:  Embryological Evidence of Evolution |
 76%
Level 2: 60%+
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Similar biological structures or sequences in different taxa are homologous if they:

1. always perform the same function
2. result from convergent evolution
3. do not serve any known function
4. are derived from a common ancestor
Subtopic:  Embryological Evidence of Evolution |
 86%
Level 1: 80%+
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Consider the given two statements:
Statement I: Homologous organs perform different functions but have similar origins.
Statement II: Analogous organs perform similar functions but have different origins.
 
1. Statement I is True but Statement II is False.
2. Statement I is False but Statement II is True.
3. Both Statements are True.
4. Both statements are False.
Subtopic:  Embryological Evidence of Evolution |
 94%
Level 1: 80%+
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Consider the given two statements:
Statement I: The eye of the octopus and of mammals is an example of an analogy.
Statement II: Analogous organs are results of convergent evolution.
1. Statement I is correct; Statement II is correct
2. Statement I is incorrect; Statement II is correct
3. Statement I is correct; Statement II is incorrect
4. Statement I is incorrect; Statement II is incorrect
Subtopic:  Embryological Evidence of Evolution |
 92%
Level 1: 80%+
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Consider the given two statements:
Assertion(A): Vestigial structures can be considered evidence for evolution.
Reason(R): Vestigial structures are often homologous to structures that are functioning normally in other species.
 
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:  Embryological Evidence of Evolution |
 72%
Level 2: 60%+
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If you observe the embryos of reptiles, birds, and mammals during their early stages of development, they look very similar. The correct inference  from this observation will be that reptiles, birds, and mammals:
1. have a common ancestor
2. live in the same types of environments
3. are no longer undergoing evolution
4. have gotten rid of all their vestigial structures
Subtopic:  Embryological Evidence of Evolution |
 90%
Level 1: 80%+
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