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Q. No.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.
Subtopic: Other Theories of Origin of Life |
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Level 2: 60%+
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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 |
86%
Level 1: 80%+
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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%
Level 1: 80%+
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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 |
84%
Level 1: 80%+
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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 |
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Level 1: 80%+
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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 |
85%
Level 1: 80%+
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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 |
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Level 3: 35%-60%
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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%
Level 2: 60%+
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How many of the given statements are correct regarding the timeline of evolution of different life forms on Earth?
1. 3
2. 4
3. 5
4. 6
| I: | By the time of 500 mya, invertebrates were formed and active. |
| II: | Jawless fish probably evolved around 350 mya. |
| III: | Sea weeds and few plants existed probably around 320 mya. |
| IV: | The first organisms that invaded land were plants. |
| V: | Lobefins evolved into the first amphibians. |
| VI: | The amphibians evolved into reptiles. |
1. 3
2. 4
3. 5
4. 6
Subtopic: Evolution Prior to Ape Man: 1 |
77%
Level 2: 60%+
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Consider the given two statements:
| Assertion: | Unlike amphibians, reptiles were truly successful on land. |
| Reason: | Unlike amphibians, reptiles lay thick-shelled eggs which do not dry up in sun. |
| 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: A BRIEF ACCOUNT OF EVOLUTION |
78%
Level 2: 60%+
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