Question

Enlist the merits and demerits of self and cross pollination.

Answer 1

Advantages of self pollination:
1) chances of pollination are more
2) maintain the purity of the race
3) no need to produce a large number of pollen grains
4) flower doesn't require a large petals, nectar, attractive colors to attract insects

Disadvantages of the self pollination :
1) progeny become gets weaker by the generation
2) less chances of varieties