Q. No.Evolutionary biology
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 the subfield of biology that studies the evolutionary processes (natural selection, common descent, speciation) that produced the diversity of life on Earth. |
| II: | is also defined as the study of the history of life forms on Earth. |
1. Only I is correct
2. Only II is correct
3. Both I and II are correct
4. Both I and II are incorrect
Subtopic: Origin of Life | A BRIEF ACCOUNT OF EVOLUTION |
92%
Level 1: 80%+
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Consider the given two statements:
| Assertion (A): | Evolution is a stochastic process. |
| Reason (R): | Evolution is based on chance events in nature and chance mutation in the organisms. |
| 1. | (A) is True but (R) is False |
| 2. | (A) is False but (R) is True |
| 3. | Both (A) and (R) are True and (R) is the correct explanation of (A) |
| 4. | Both (A) and (R) are True but (R) is not the correct explanation of (A) |
Subtopic: Definition & Types of Evolution | A BRIEF ACCOUNT OF EVOLUTION |
85%
Level 1: 80%+
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Subtopic: A BRIEF ACCOUNT OF EVOLUTION |
70%
Level 2: 60%+
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Subtopic: A BRIEF ACCOUNT OF EVOLUTION |
80%
Level 1: 80%+
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Subtopic: A BRIEF ACCOUNT OF EVOLUTION |
79%
Level 2: 60%+
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Fishes with stout and strong fins that could move on land and go back to water existed about:
| 1. | 500 mya | 2. | 350 mya |
| 3. | 320 mya | 4. | 300 mya |
Subtopic: A BRIEF ACCOUNT OF EVOLUTION |
67%
Level 2: 60%+
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The connecting link between the fishes and amphibians is the:
| 1. | Seymouria | 2. | Peripatus |
| 3. | Cartilaginous fishes | 4. | Coelocanths [lobe-finned fishes] |
Subtopic: A BRIEF ACCOUNT OF EVOLUTION |
88%
Level 1: 80%+
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Subtopic: A BRIEF ACCOUNT OF EVOLUTION |
72%
Level 2: 60%+
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The extinct reptilian lineage that evolved into dinosaurs and later on the birds is:
| 1. | Pelycosaurs | 2. | Synapsids |
| 3. | Tuataras | 4. | Thecodonts |
Subtopic: A BRIEF ACCOUNT OF EVOLUTION |
65%
Level 2: 60%+
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Dinosaurs became extinct during the geological period:
| 1. | Carboniferous | 2. | Jurassic |
| 3. | Cretaceous | 4. | Tertiary |
Subtopic: A BRIEF ACCOUNT OF EVOLUTION |
Level 3: 35%-60%
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