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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

12th Science Biology MCQ Questions Answers Class 12 Science Important Syllabus MCQ Questions Answers 12th Biology Science Session 2022-23 12th Biology Chapter-16 Environmental Issues MCQ Solutions

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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?

Class 12 Biology MCQ Chapter-16 Environmental Issues 12th Science Biology Extra MCQ Questions Answers Class 12 Science Important Syllabus MCQ Questions Answers Class 12th Biology MCQ Sample paper Questions

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

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

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

Among the following which one causes more indoor chemical pollution?

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

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