Question

Assertion : Chances of survival of young ones is greater in viviparous organisms.
Reason : All mammals are viviparous.

• A. If both assertion and reason are true and reason is the correct explanation of assertion
• B. If both assertion and reason are true but reason is not the correct explanation of assertion
• C. If assertion is true but reason is false
• D. If both assertion and reason are false

Answer 1

Answer: (C)

In viviparous animals the zygote develops into a young one inside the body of the female organism. After attaining a certain stage of growth, the young ones are delivered out of the body of the female organism. Because of proper embryonic care and protection, the chances of survival of young ones is greater in viviparous organisms. Not all mammals are viviparous; some are egg-laying, i.e., oviparous e.g., duck-billed platypus.