Question

write 3 advantages and disadvantages of self pollination and cross pollination each​

Answer 1

Answer:

Explanation:

Advantages of self pollination are

1.large number of individuals are produced and

2.traits are genetically identical so advantageous traits are not lost.

3.Self pollination are generally faster.

4.Less chance of failure of pollination.

Disadvantages of self pollination

1. No variations occurs if plant gets hit by a disease there is no possibility of survival and population decreases.

2.It does not result in creation of new species.

3. Continuous self pollination results in weak progenies

Advantages of Cross Pollination

1. Causes variation in gene pool thus giving more survival advantage to the species.

2. Seed sare more viable and healthier with better germinating capacity.

3.Scope for Evolution

4.Breed new variety of species

Disadvantages of Cross pollination

1. Consumes more time and effort.

2.Natural process of pollination becomes delayed in this case.

Answer 2

Explanation:

cross pollination

It is not always certain as a pollinating agent is always required, and it may or may not be available at the suitable time. Pollen grains have to be produced in abundance to ensure chances of pollination. This results in lot of wastage of pollen.

self pollination

A very few pollen grain can pollinate the flower. ... Self-pollination avoid wastage of pollen grains. Less chances of failure of pollination.