Which of the following is not accumulated by the body of living organisms?(a) Ammonia(b) Carbon dioxide(c) Urea(d) OxygenI have been asked this question in semester exam.This interesting question is from Excretory System in Animals topic in section Excretory Products and Elimination of Biology – Class 11

Which of the following is not accumulated by the body of living organi

1.	Which of the following is not accumulated by the body of living organisms?(a) Ammonia(b) Carbon dioxide(c) Urea(d) OxygenI have been asked this question in semester exam.This interesting question is from Excretory System in Animals topic in section Excretory Products and Elimination of Biology – Class 11
Answer» The correct answer is (d) Oxygen Explanation: Oxygen is not accumulated by the body of LIVING organisms as this is required by the cells to perform respiration. Also, it is not a waste product of the cells. Animals ACCUMULATE ammonia, UREA, uric ACID, carbon dioxide, water, and ions like Na^+, K^+, Cl^–, PHOSPHATE, sulphate, etc., by certain metabolic activities.

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