Write down the advantages and disadvantages of cross-pollination.

Explanation

Advantages of cross-pollination:
(i) It always results in bringing out much healthier off springs.
(ii) Germination capacity is much better.
(iii) New varieties may be produced.
(iv) The adaptability of the plants to their environment is better.
Disadvantages of cross-pollination:
(i) Depend on external agencies for the pollination and the process is uncertain.
(ii) Various devices have to be adopted to attract pollinating agents.