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Excretory Products and their Elimination — BIOLOGY STD 11 Science — Question

Rajasthan BoardEnglish MediumSTD 11 ScienceBIOLOGYExcretory Products and their Elimination1 Mark
MCQ
Which is the main excretory organ in human beings?
  • A
    Kidneys
  • B
    Skin
  • C
    Lungs
  • D
    Heart
✓

Answer

  1. Kidneys

Explanation:

A pair of kidneys are the main excretory organs in human being. It helps excrete nitrogenous waste, toxins, excess of salts, water soluble vitamins etc

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