Animal Kingdom Question 419

Question: Earthworm possesses hearts [CBSE PMT 1991]

Options:

A) 6 pairs

B) 4 pairs

C) 2 pairs

D) 1

Show Answer

Answer:

Correct Answer: B

Solution:

In each of the segment 7, 9, 12 and 13 is found a pair of large, thick, muscular and rhythmically contractile hearts (Total 4 pairs).