Match the following columns and choose the correct option.
| column I |
column II |
| A. Mutation breeding |
1. Laborious and expensive process obtain gene variation |
| B. Selection |
2. Hybride vigour can be maintained for several generations |
| C. Hybridization |
3. Simplest and easiest method of plant improvement |
| D. Introduction |
4. oldest breeding method |
|
5. Quick method to obtain gene variation |
|
A |
B |
C |
D |
| 1 |
5 |
4 |
1 |
1 |
| 2 |
5 |
4 |
1 |
1 |
| 3 |
4 |
2 |
3 |
3 |
| 4 |
1 |
2 |
4 |
4 |
