Keshav Rai

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Ravindra

Asked: November 1, 2021In: Class 12 Biology

In the textbook you came across Three Mile Island and Chernobyl disasters associated with accidental leakage of radioactive wastes. In India we had Bhopal gas tragedy. It is associated with which of the following?

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Beniwal

Asked: November 1, 2021In: Class 12 Biology

Which one of the following is not a major characteristic feature of biodiversity hot spots?

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Pratik Kumar

Asked: November 1, 2021In: Class 12 Biology

Catalytic converters are fitted into automobiles to reduce emission of harmful gases. Catalytic converters change unburnt hydrocarbons into:

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Harsh Tyagi

Asked: November 1, 2021In: Class 12 Biology

The loudness of a sound that a person can withstand without discomfort is about

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Balram Rana

Asked: November 1, 2021In: Class 12 Biology

Among the following which one causes more indoor chemical pollution?

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Hans Raj

Asked: November 1, 2021In: Class 12 Biology

Which of the following material takes the longest time for biodegradation?

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Keshav Rai

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