Question

(a) Explain the term 'fertilisation'.
(b) Give some examples of different modes of fertilisation in nature ?
(c) What type of fertilisation takes place in (i) fish, and (ii) birds ?

Answer 1

(a) the process in male and female gamete fuse together to form zygote during sexual reproduction is called as fertilization.

(b) Internal and external fertilization.

(c) (i) External fertilization.

(ii)Internal fertilization.