41. Which one of the following is an example of vestigial organ in man?
42. Crops usually take nitrogen from the soil in the form of
43. According to Darwin's theory of evolution, long necks in giraffes
44. In the history of plant tissue culture, the first tissue to be cultured as a callus came from hybrid
45. Fitness according to Darwin refers to
46. The paper entitled "Nondisjunction as a Proof of Chromosome Theory of Heredity" was described by
47. The tendency towards the development of which of the following seems to be more stable?
48. According to Mendel's explanation, when two factors for alternative expression of a trait are brought together by fertilization,
49. The study of extinct animals is called
50. Which of the organs given below is/are homologous?
1. Flipper of a seal
2. Wing of a bat
3. Arm of a man
4. Wing of a moth
Which of the statements given above is/are correct?
1. Flipper of a seal
2. Wing of a bat
3. Arm of a man
4. Wing of a moth
Which of the statements given above is/are correct?
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