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UPSC CSE Prelims
2021
Q21 — Environment & Ecology

UPSC CSE Prelims 2021 Q21 — Environment & Ecology PYQ with Answer

2021Q21·Environment & Ecology·Sustainable Agriculture & Forestry

Which one of the following is used in preparing a natural mosquito repellent?

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In the nature, which of the following is/are most likely to be found surviving o...

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Consider the following kinds of organisms: 1. Copepods 2. Cyanobacteria 3. Di...

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