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Q. No.In 1953, S.L. Miller created conditions similar to those suggested by Oparin and Haldane in a laboratory where he created electric discharge in a closed flask containing:
1.
CH4, H2, NH3 and water vapour at 800°C
2.
CH4, H2, HCN and hydrogen sulphide at 400°C
3.
CO2, H2, NH3 and water vapour at 800°C
4.
CO2, H2, HCN and hydrogen sulphide at 400°C
Subtopic: Urey & Miller Experiment |
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Oparin and Haldane proposed that:
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: | First form of life could have come from pre-existing non-living organic molecules. |
| II: | Formation of life was preceded by chemical evolution. |
2. Only II is correct
3. Both I and II are correct
4. Both I and II are incorrect
Subtopic: Examples of Chemical Evolution | Urey & Miller Experiment |
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Identify the fossil of a man who showed the following characteristics:
(A) Brain capacity of 1400 cc
(B) Used hides to protect their body
(C) Buried their dead bodies
In the light of above statements, choose the correct answer from the options given below:
(A) Brain capacity of 1400 cc
(B) Used hides to protect their body
(C) Buried their dead bodies
In the light of above statements, choose the correct answer from the options given below:
| 1. | Homo erectus | 2. | Neanderthal man |
| 3. | Homo habilis | 4. | Australopithecus |
Subtopic: Evolution Prior to Ape Man |
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NEET - 2023
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| Assertion(A): | After industrialization, dark winged moths became predominant over light winged moths. |
| Reason(R): | During post-industrialization period, the white coloured moths were spotted by predators against the contrasting background of tree-trunks. |
| 1. | Both (A) and (R) are true and (R) is the correct explanation of (A) |
| 2. | Both (A) and (R) are true and (R) is not the correct explanation of (A) |
| 3. | (A) is true but (R) is false. |
| 4. | Both (A) and (R) are false. |
Subtopic: Natural Selection |
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| Assertion(A): | Antibiotic resistance is increasing these days. |
| Reason(R): | Excessive use of antibiotics in a much lesser time scale has led to selection of resistant varieties. |
| 1. | Both (A) and (R) are true and (R) is the correct explanation of (A) |
| 2. | Both (A) and (R) are true and (R) is not the correct explanation of (A). |
| 3. | (A) is true but (R) is false. |
| 4. | Both (A) and (R) are false. |
Subtopic: Natural Selection |
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| Assertion(A): | Darwin's finches radiated from seed-eating features to insectivorous and vegetarian forms. |
| Reason(R): | Species adapt according to the geography (habitat). |
| 1. | Both (A) and (R) are true and (R) is the correct explanation of (A) |
| 2. | Both (A) and (R) are true and (R) is not the correct explanation of (A) |
| 3. | (A) is true but (R) is false. |
| 4. | Both (A) and (R) are false. |
Subtopic: Darwin's Theory |
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| Assertion(A): | Evolutions is process that operates in populations due to the lack of Hardy-Weinberg equilibrium. |
| Reason(R): | Mutations, migration and natural selection cause disruption of equilibrium changing allele frequencies of the population. |
| 1. | Both (A) and (R) are true and (R) is the correct explanation of (A). |
| 2. | Both (A) and (R) are true and (R) is not the correct explanation of (A). |
| 3. | (A) is true but (R) is false. |
| 4. | Both (A) and (R) are false. |
Subtopic: Hardy Weinberg Law: 1 |
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Choose the incorrect match.
| 1. | Invertebrates | - | Probably evolved around 200 mya |
| 2. | Jawless fish | - | Probably evolved around 350 mya |
| 3. | Sea weeds and few plants | - | Probably existed around 320 mya |
| 4. | Dinosaurs | - | Suddenly disappeared from the earth about 65 mya |
Subtopic: Evolution Prior to Ape Man: 1 |
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If theory of special creation is correct, then
| 1. | Fossilis of certain life forms will be restricted to certain geological time-spans. |
| 2. | Earth is about a billion years old |
| 3. | The diversity of living organisms will stay the same |
| 4. | Gradual evolution of life forms will occur. |
Subtopic: Palentological Evidences of Evolution |
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Dinosaurs were large reptiles and they existed with other smaller reptiles.
Select the correct option about the above given organisms.
Select the correct option about the above given organisms.
| 1. | Dinosaurs along with the small sized reptiles become extinct. |
| 2. | Dinosaurs are extant but the small sized reptiles become extinct. |
| 3. | Dinosaurs become extinct but the small sized reptiles still exist today. |
| 4. | Most of the dinosaurs evolved into mammals. |
Subtopic: Evolution Prior to Ape Man: 1 |
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