Non-Chordates: Features of Major Phyla · NCERT Biology

Excretion in most insects like the cockroach takes place through:

  1. Nephridia organs
  2. Malpighian tubules
  3. Antennal green glands
  4. Proboscis glands
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Correct answer: Malpighian tubules

Malpighian tubules are the primary excretory organs of insects. They remove nitrogenous wastes from the hemolymph and dump them into the digestive tract.

Difficulty: Medium Question 12 of 20

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