Multiple choice

Haemocoel is present in:

  1. Pheretima

  2. Periplaneta

  3. Sponge

  4. Ascaris

  5. Tapeworm
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Haemocoel is a body cavity filled with hemolymph (blood) that bathes organs directly. Periplaneta (cockroach) has an open circulatory system with haemocoel. Pheretima (earthworm) has a true coelom, Ascaris has pseudocoel, while sponges and tapeworms lack body cavities.

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