The process of the leading to the fusion of gametes in plants and animals is called

The correct option is B

fertilisation

The correct answer is B

Explanation of the correct answer:

1. Fertilization is the fusion of the male and the female gametes with each other to give rise to a single-celled zygote.
2. The zygote then undergoes repeated divisions to give rise to a new individual.

Explanation of the incorrect answers:

Option a:

Growth is an irreversible and permanent process, accomplished by an increase in the size of an organ or organ parts or even of an individual cell.

Option c:

Development is the growth of organism with time and age.

Option d:

Fusion includes the fusion of male and female gamete.

Final answer: The process of the leading to the fusion of gametes in plants and animals is called fertilization.