Biology
Assertion (A): Both Pisces and Amphibians have a two chambered heart.
Reason (R): As pisces are the most primitive chordates, they only have a one chambered heart. Amphibians are little advanced than pisces, so they have a two chambered heart.
- A is True and R is False.
- A is False and R is True.
- Both A and R are True.
- Both A and R are False.
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Answer
Both A and R are False.
Reason — Pisces have a two-chambered heart while amphibians have a three-chambered heart.
Pisces do not have a one-chambered heart — they have two chambers and amphibians are more evolved and have three chambers, not two.
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