Aquatic animals in which fertilisation occurs in water are said to be:
(a) viviparous without fertilisation.
(b) oviparous with external fertilisation.
(c) viviparous with internal fertilisation.
(d) oviparous with internal fertilisation.

Question

Aquatic animals in which fertilisation occurs in water are said to be:
(a)	viviparous without fertilisation.
(b)	oviparous with external fertilisation.
(c)	viviparous with internal fertilisation.
(d)	oviparous with internal fertilisation.

MyClass24 · Accepted Answer

Soln:
Answer is (b) oviparous with external fertilisation.
Explanation:
Aquatic animals lay eggs and release sperms into water for fertilization to take place. Young one is formed outside the body hence it is called external fertilization.

Aquatic animals in which fertilisation occurs in water are said to be: (a) viviparous without fertilisation. (b) oviparous with external fertilisation. (c) viviparous with internal fertilisation. (d) oviparous with internal fertilisation.