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Class Mammalia and Aves
Concepts tested here
- Viviparous and oviparous animals
All Questions
2006 AIPMT-PRE 1 question
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In which one of the following sets of animals do all the four give birth to young ones ?Animals that give birth to young ones are viviparous; those that lay eggs are oviparous.
All birds are oviparous, and among mammals only the monotremes (platypus and echidna) lay eggs.
Kangaroo (a marsupial), hedgehog, dolphin and loris are all mammals that give birth to young ones, so all four are viviparous.
The first set includes the ostrich, a bird that lays eggs.
The second set includes the platypus, an egg-laying mammal, and the penguin, a bird.
The third set includes the kiwi, a flightless bird that lays eggs.
So the set in which all four give birth to young ones is Kangaroo, Hedgehog, Dolphin, Loris.