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Q. No.Evolutionary convergence is the development of a:
1. common set of functions in groups of different ancestry.
2. dissimilar set of functions in closely related groups.
3. common set of structures in closely related groups.
4. dissimilar set of functions in unrelated groups.
Subtopic: Embryological Evidence of Evolution |
74%
From NCERT
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| Assertion (A): | Same structure developed along different directions due to adaptations to different needs is called divergent evolution. |
| Reason (R): | These structures are homologous. |
| 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: Palentological Evidences of Evolution |
From NCERT
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The theory of spontaneous generation states that.
1. Life arose from living form only.
2. Life can arise from both living and non-living.
3. Life can arise from non-living things only.
4. Life arises spontaneously, neither from the living and nor from non-living.
1. Life arose from living form only.
2. Life can arise from both living and non-living.
3. Life can arise from non-living things only.
4. Life arises spontaneously, neither from the living and nor from non-living.
Subtopic: Other Theories of Origin of Life |
68%
From NCERT
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\((p+q)^2=p^2+2 p q+q^2=1\) represents an equation used in
1. Population genetics.
2. Mendelian genetics.
3. Biometrics.
4. Molecular genetics.
Subtopic: Hardy Weinberg Law |
84%
From NCERT
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In Hardy-Weinberg equation, the frequency of heterozygous individual is represented by:
1.q2
2. p2
3. 2pq
4. pq
1.q2
2. p2
3. 2pq
4. pq
Subtopic: Hardy Weinberg Law: 1 |
91%
From NCERT
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Match each item in Column I with one In Column II and select the correct match from the codes given:
Codes:
| Column I | Column II | ||
| A | Homo habilis | P | More ape like |
| B | Homo erectus | Q | More man like |
| C | Dryopithecus | R | Probably did not eat meat. |
| D | Ramapitehcus | S | Probably ate meat. |
Codes:
| A | B | C | D | |
| 1. | R | S | P | Q |
| 2. | S | R | P | Q |
| 3. | S | R | Q | P |
| 4. | R | S | Q | P |
Subtopic: Evolution Prior to Ape Man |
85%
From NCERT
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Consider the given two statements:
| Assertion(A): | Pouched mammals survived in the continent of Australia. |
| Reason(R): | Due to continental drift, pouched mammals of Australia did not face competition from any other mammals. |
| 1. | (A) is false but (R) is true |
| 2. | (A) is true but (R) is false |
| 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: Difference Between Drift & Selection |
87%
From NCERT
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About 65 mya, the dinosaurs suddenly disappeared from the earth. The reason for their sudden disappearance may be:
1. Only (a)
2. Only (b)
3. The truth may live in between (a) and (b).
4. Neither (a) nor (b).
| (a) | Climatic changes killed them. |
| (b) | Most of them evolved into birds. |
1. Only (a)
2. Only (b)
3. The truth may live in between (a) and (b).
4. Neither (a) nor (b).
Subtopic: A BRIEF ACCOUNT OF EVOLUTION |
86%
From NCERT
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Ichthyosaur was:
1. a marine retile
2. a marine amphibian
3. a fresh water amphibian
4. a flying reptile
1. a marine retile
2. a marine amphibian
3. a fresh water amphibian
4. a flying reptile
Subtopic: A BRIEF ACCOUNT OF EVOLUTION |
56%
From NCERT
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Most common component of coal-forming ecosystems from the Carboniferous and Permian periods were:
1. Algae and protists
2. Ferns
3. Angisosperms
4. Animals
1. Algae and protists
2. Ferns
3. Angisosperms
4. Animals
Subtopic: A BRIEF ACCOUNT OF EVOLUTION |
79%
From NCERT
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