Question : The excretory organ of cockroaches is ___________________.
Option 1: Nephridia
Option 2: Malpighian tubules
Option 3: Malpighian corpuscles
Option 4: Kidney
Correct Answer: Malpighian tubules
Solution : The correct option is Malpighian tubules
Cockroaches excrete uric acid as their primary excretory substance. The excretory organs of cockroaches are known as Malpighian tubules . These tubules are part of the insect's excretory system and are in charge of eliminating waste products and excess chemicals from the body, such as uric acid and salts. The Malpighian tubules contribute to the insect's internal water and electrolyte balance.
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