Question

How is excretion in plants useful to human beings ?
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Answer 1

Answer:

Excretion in plants results in the production of various kinds of excreta which are waste for the plant but are equally important for human use. ... Oxygen which is an excretory product of photosynthesis is an absolute requirement for human beings to survive on earth.

Explanation:

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Answer 2

Answer:

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Explanation:

The waste products of a plant are carbon dioxide, water vapour and oxygen.

Oxygen is the most useful excreta of plants and is essential for life on Earth.

Oxygen is produced through the process of photosynthesis, in which, plants utilize carbon dioxide and water (in the presence of sunlight) and produce oxygen and glucose.

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