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Question
Which one of the following is oviparous?
Options
Platypus
Flying fox (Bat)
Elephant
Whale
Solution
Platypus
Explanation:
Prototherians have evolved from reptiles. The mammary gland lacks nipples or teats. Corpus callosum is absent. Prototherians are oviparous/egg-laying mammals. E.g.: Omithorynchus (Duck-billed platypus) is a monotreme mammal.
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