| Column-I | Column-II | ||
| A. | Mutation breeding | 1. | Laborious and expensive process to obtain gene variation |
| B. | Selection | 2. | Hybrid vigour can be maintained for several generations |
| C. | Hybridisation | 3. | Simplest and easiest method of plant improvement |
| D. | Introduction | 4. | Oldest breeding method |
| 4. | Quick method to obtain gene variation |
A) A-5 B-4 C-1 D-2
B) A-5 B-4 C-1 D-3
C) A-4 B-2 C-3 D-1
D) A-1 B-2 C-4 D-5
Correct Answer: A
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