Which of the following statements are correct with regard t…

Biology Environmental Issues ( Not In Syllabus ) Single Correct MCQ

Published by: CGP EDU Academic Team

Published on: August 20, 2026

Which of the following statements are correct with regard to contribution of various factors to greenhouse effect?

I. Relative contribution of various gases like

CO 2 ,CH 4 , CFCs,N 2 O, etc.

II. Biological magnification and eutrophication.

III. Deforestation to incorporate Urban needs.

IV. Various activities like burning of fossil fuels.

V. Odd climatic changes such as El-Nino effect.

VI. Use of refrigerants like chlorofluorocarbons.

II, IV, V and VI

I, III and IV

IV, V and VI

II, III and I

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