Which of the following statements is/are correct?

A: All mammals are land animals.
B: Whales are aquatic mammals.

Only B

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Both A and B

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Neither A nor B

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Only A

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Solution

The correct option is A Only B
Not all mammals are land animals.
Some aquatic animals like whales and dolphins are mammals as they give birth to their young ones.

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Similar questions

Which one of the following statements is incorrect?
(a) Birds and lands snails are uricotelic animals
(b) Mammals and frogs are ureotelic animals
(c) Aquatic amphibians and aquatic insects are ammonotelic animals
(d) Birds and reptiles are ureotelic

Q. Assertion : Aquatic mammals like whales and seals are said to be ureotelic animals.
Reason : The main nitrogenous waste product in whales and seals is urea.

Q. Assertion : Aquatic mammals like whales and seals are said to be ureotelic animals
Reason : It is because of the fact that nitrogenous waste product is urea

Q. Assertion: Aquatic mammals like whales and seals are ureotelic.
Reason: Ureotelic animals require a very large amount of water for the removal of urea as compared to the amount of water ammonotelic animals require for the removal of ammonia.

Q. Whales belong to class Mammalia. Mammals are basically terrestrial. Mention the important changes that have occurred in whales which enable them to lead an aquatic life.

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Which of the following statements is/are correct? A: All mammals are land animals. B: Whales are aquatic mammals.

The correct option is A Only BNot all mammals are land animals. Some aquatic animals like whales and dolphins are mammals as they give birth to their young ones.

Which of the following statements is/are correct?

A: All mammals are land animals.
B: Whales are aquatic mammals.

The correct option is A Only B
Not all mammals are land animals.
Some aquatic animals like whales and dolphins are mammals as they give birth to their young ones.