NEET Biology Animal Kingdom Based Practice Questions & Answers with Viewers Discussion and Detailed Explanation

Animal Kingdom Topic Based

Question & Answer Discuss:

Malpighian tubules are

(a) respiratory organs of insects

(b) excretory organs of insects

(c) excretory organs of annelids

(d) respiratory organs of annelids.

Answer: (b)

In insects Malpighian tubules are attached to the alimentary canal at the extreme anterior end of hindgut. These are fine, long, unbranched, yellowish and blind tubules lying freely in the haemolymph. These are between 60 to 150 in number and are arranged in 68 bundles. These excrete out nitrogenous wastes from the body in the form of uric acid.

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