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Q.3 Choose the most appropriate answer.

(a) Internal fertilisation occurs

(i) in female body.
(ii) outside female body.
(iii) in male body.
(iv) outside male body.

(b) A tadpole develops into an adult frog by the process of

(i) fertilisation
(ii) metamorphosis
(iii) embedding
(iv) budding

(c) The number of nuclei present in a zygote is

(i) none
(ii) one
(iii) two
(iv) four
Answer :

a) (i) in female body.
b) (ii) metamorphosis
c) (iii) two