NEET 2006 Biology question

In which one of the following sets of animals do all the four give birth to young ones ?

(1)Lion, Bat, Whale, Ostrich
(2)Platypus, Penguin, Bat, Hippopotamus
(3)Shrew, Bat, Cat, Kiwi
(4)Kangaroo, Hedgehog, Dolphin, LorisCorrect

Answer: (4)

Solution

Mammals other than the monotremes are viviparous (give birth to young ones). Kangaroo (a marsupial), hedgehog, dolphin and loris are all mammals that give birth to young. In (1) the

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Question ID VK-089730