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1800-102-2727Q1.Which of the following is the correct sequence of events in the origin of life?
1. Formation of protobionts
2. Synthesis of organic monomers
3. Synthesis of organic polymers
4. Formation of DNA-based genetic systems
(a) II, III, I, IV
(b) II, III, IV, I
(c) I, II, III, IV
(d) I, III, II, IV
Q2. The similarity of bone structure in the forelimbs of many vertebrates is an example of -
(a) Convergent evolution
(b) Analogy
(c) Homology
(d) Adaptive radiation
Q3. According to Hugo de Vries, the mechanism of evolution is -
(a) Phenotypic variation
(b) Saltation
(c) Multiple step mutations
(d) Minor mutations
Q4. In Hardy-Weinberg equation, the frequency of heterozygous individual is represented by -
(a) Pq
(b) q2
(c) P2
(d) 2pq
Q5. Genetic drift operates in -
(a) Non-reproductive population
(b) Slow reproductive population
(c) Small isolated population
(d) Large isolated population
Q6. Industrial melanism is an example of -
(a) Neo Lamarckism
(b) Neo Darwinism
(c) Natural selection
(d) Mutation
Q7. Variations caused by mutation, as proposed by Hugo de Vries are -
(a) Random and directional
(b) Random and directionless
(c) Small and directional
(d) Small and directionless
Q8. Which of the following had the smallest brain capacity?
(a) Homo sapiens
(b) Homo neanderthalensis
(c) Homo habilis
(d) Homo erectus
Q9. The chronological order of human evolution from early to recent is -
(a) Ramapithecus → Homo habilis → Autralopithecus → Homo erectus
(b) Australopithecus → Homo habilis → Ramapithecus → Homo erectus
(c) Australopithecus → Ramapithecus → Homo habilis → Homo erectus
(d) Ramapithecus → Australopithecus → Homo habilis → Homo erectus
Q10. S.L.Miller, an American scientist, created an electric discharge experiment in a closed flask containing CH4, H2, NH3 and water vapor at what temperature?
(a) 400° C
(b) 800° C
(c) 200° C
(d) 1000° C
1. (a)
2. (c)
3. (b)
4. (d)
5. (c)
6. (c)
7. (b)
8. (c)
9. (d)
10. (b)