41. Brown heart disease is caused due to deficiency of
42. Match the following columns:
Column I (Theory)
Column II (Related Scientist)
a. Theory of epigenesis
1. Charles Darwin
b. Theory of pangenes
2. Wolf
c. Theory of acquired character
3. August Weismann
d. The germplasm theory
4. Lamarck
| Column I (Theory) | Column II (Related Scientist) |
| a. Theory of epigenesis | 1. Charles Darwin |
| b. Theory of pangenes | 2. Wolf |
| c. Theory of acquired character | 3. August Weismann |
| d. The germplasm theory | 4. Lamarck |
43. Reciprocal recurrent selection is used when a character is governed by
44. Consider the following statements regarding synthetic varieties
1. Parental materials are always inbred lines.
2. Open pollinated materials are also used as parental lines.
3. There is no limit on the number of parental lines used.
4. Parental lines are always tested for their combining ability.
Which of the statements given above is/are correct?
1. Parental materials are always inbred lines.
2. Open pollinated materials are also used as parental lines.
3. There is no limit on the number of parental lines used.
4. Parental lines are always tested for their combining ability.
Which of the statements given above is/are correct?
45. Emasculation of flower is necessary for hybridization in
46. The example of blending of alleles is paramutation in
47. In hexaploid wheat the haploid(n) and basic (x) no. of chromosomes are
48. The seeds don't require certification are
49. The F2 ratio in complementary gene action is
50. Homozygous line developed through repeated selfing in cross pollinated crop is
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- Genetics and Plant Breeding - Section 8
- Genetics and Plant Breeding - Section 9
- Genetics and Plant Breeding - Section 10