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Q. No.The statement “Embryos pass through successive stages that represent the adult forms of less complex organisms in the course of development” can be equated with:
1.
Recapitulation theory
2.
Baer’s law
3.
Descent with modification
4.
Punctuated equilibrium
Subtopic: Embryological Evidence of Evolution |
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Level 2: 60%+
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With the passing of stringent laws and pollution control measures in Britain, there has been a decline in the frequency of melanic form of the Peppered moth. The most likely cause for this observation will be:
1. industrial pollutants turned the moths black
2. the selection pressure on the melanic and the non-melanic forms has reversed
3. genetic drift
4. assortative mating
1. industrial pollutants turned the moths black
2. the selection pressure on the melanic and the non-melanic forms has reversed
3. genetic drift
4. assortative mating
Subtopic: Concept of Organic Evolution: Evidence |
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Level 2: 60%+
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| Assertion(A): | Natural selection is differential reproduction |
| Reason(R): | The unit of natural selection is individual |
| 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. | Both (A) and (R) are false |
Subtopic: Natural Selection |
Level 4: Below 35%
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In a population of 500 people, the frequency of recessive allele is 0.2 [only two alleles are present for the gene with one completely dominant]. What is the number of heterozygous persons in this population?
| 1. | 200 | 2. | 320 |
| 3. | 160 | 4. | 240 |
Subtopic: Hardy Weinberg Law |
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What was the main point of difference between Darwin and Hugo de Vries regarding evolution?
| 1. | Darwin did not believe in the inheritance of acquired traits while Hugo de Vries did. |
| 2. | Evolution for Darwin was gradual while Hugo de Vries believed mutation caused speciation. |
| 3. | Evolution for Darwin was a stochastic process and for Hugo de Vries was a determinist process. |
| 4. | Fitness for Darwin was reproductive fitness and for Hugo de Vries was physical fitness. |
Subtopic: Darwin's Theory | Hugo De Vries Theory of Evolution | Modern Theory of Evolution | Concept of Organic Evolution: Evidence |
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Which of the following animals can trace their ancestry from therapsids?
| 1. | Mammals only |
| 2. | Mammals and Birds |
| 3. | Dinosaurs, Crocodiles and Birds |
| 4. | Turtles, Lizards, Snakes and Tuataras |
Subtopic: Evolution Prior to Ape Man: 1 |
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Pouched mammals of Australia survived because:
| 1. | they all are top predators in a food chain |
| 2. | they are all herbivores and hence get to feed on large amounts of available primary production |
| 3. | of lack of competition from any other mammals |
| 4. | the Australian environment is not conducive for the survival of true placental mammals |
Subtopic: Natural Selection |
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Match each item in Column I with one in Column II and select the best match from the codes given:
Choose the correct answer from the options given below:
| Column I | Column II | ||
| (a) | Adaptive radiation | (i) | Fast emergence of resistance in bacteria against antibiotics |
| (b) | Convergent evolution | (ii) | Bones of forelimbs in Man and Whale |
| (c) | Divergent evolution | (iii) | Wings of Butterfly and Bird |
| (d) | Evolution by anthropogenic action | (iv) | Dispersion and diversification of Australian marsupials |
Choose the correct answer from the options given below:
| (a) | (b) | (c) | (d) | |
| 1. | (ii) | (i) | (iv) | (iii) |
| 2. | (i) | (iv) | (iii) | (ii) |
| 3. | (iv) | (iii) | (ii) | (i) |
| 4. | (iii) | (ii) | (i) | (iv) |
Subtopic: Natural Selection | Concept of Organic Evolution: Evidence |
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Consider the two statements:
| I: | Birds and bats have homologous limbs. |
| II: | They are both ultimately derived from terrestrial tetrapods. |
| 1. | Both I and II are correct and II explains I |
| 2. | Both I and II are correct but II does not explain I |
| 3. | I is incorrect but II is correct |
| 4. | I is correct but II is incorrect |
Subtopic: Concept of Organic Evolution: Evidence |
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Amino acids produced and identified in the "classic" 1952 experiment by Miller include all of the following except:
| 1. | Glycine | 2. | Alanine |
| 3. | Aspartic acid | 4. | Tryptophan |
Subtopic: Urey & Miller Experiment |
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