NEET UG BIOLOGY MCQ: ANIMAL KINGDOM

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Understanding +4 | -1

[A]: Sponges are primitive multicellular animals that probably evolved a multicellular structure independently of other animals.

[R]: Sponges are stationary animals and remain fixed to substratum while water passes over them.

View answer and explanation

Correct option: B

Both A and R are true and R is not the correct explanation of A

Option B (Both A and R are true and R is not the correct explanation of A) is correct because both the assertion and reason are true, but the reason doesn't explain why sponges evolved a multicellular structure independently.

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Which one of the following in birds, indicates their reptilian ancestry The presence of the tube feet is a characteristic feature of the phylum Respiratory organs of Saccoglossus are Which of the following statements are true for the phylum – Chordata?
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b) A post anal tail is present in all adult urochordates.
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Tapeworm, Roundworm, Hookworm, Threadworm

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