What is the meaning of excretion?
Answer and explanation
Correct answer: Removal of harmful waste from the body
Excretion is the biological process by which metabolic waste products are removed from an organism. Cellular activities produce substances such as carbon dioxide, excess water, and nitrogenous wastes; their accumulation can be harmful. Therefore, option A gives the correct meaning. Taking in food is ingestion, whereas the other choices are not definitions of excretion.
Frequently asked questions
What is the correct answer to this question?
Removal of harmful waste from the body
Why is this the correct answer?
Excretion is the biological process by which metabolic waste products are removed from an organism. Cellular activities produce substances such as carbon dioxide, excess water, and nitrogenous wastes; their accumulation can be harmful. Therefore, option A gives the correct meaning. Taking in food is ingestion, whereas the other choices are not definitions of excretion.
Which subject and chapter does this question cover?
This is a Class 10 Science question. Chapter: Life Processes. Topic: Excretion.
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