Which of the following are major excretory wastes excreted by different organisms?

Undigested food

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Ammonia

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Urea

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Uric acid

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Solution

The correct options are
B Ammonia
C Urea
D Uric acid
Excretion is a process by which metabolic waste from cells are eliminated from an organism. Urea is the major excretory product excreted by humans. Land animals like birds and lizards excrete uric acid. Fishes excrete ammonia. Undigested food is digestive waste and not excretory waste.

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