Multiple choice

Which of the following excretes allantoin?

  1. Blowfly larvae

  2. Cockroach

  3. Birds

  4. Fishes
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

The excretory organ of cockroach is the malpighian tubules. It is found at the junction of the midgut and hind gut and are about 150 in number. They are fine, yellow coloured and branched threads, present in bundles. They lie freely in the haemolymph. It excretes uric acid.

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