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In the list of animals given below, hen is the odd one out.

human being, cow, dog, hen
The reason for this is
(a) it undergoes internal fertilisation.
(b) it is oviparous.
(c) it is viviparous.
(d) it undergoes external fertilisation.

Science - Exemplar Problems

Chapter 9. Reproduction in Animals


(b) It is oviparous..............
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