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Assertion (A) :Carbon dioxide is one of the important greenhouse gases. 
Reason (R) : It is largely produced by respiratory function of animals and plants.
(i) Both A and R are correct, and R is the correct explanation of A. 
(ii) Both A and R are correct, but R is not the correct explanation of A. 
(iii) Both A and R are not correct. 
(iv) A is not correct but R is correct. 

0 3 Views | Posted 4 months ago
Asked by Shiksha User

  • 1 Answer

  • A

    Answered by

    alok kumar singh | Contributor-Level 10

    4 months ago

    This is a  Assertion Type Questions as classified in NCERT Exemplar

    Option (ii)

    i.e., Both A and R are correct, but R is not the correct explanation of A is the answer since the increased amount of carbon dioxide in the air is the main cause for global warming. Excess of carbon dioxide gets released into the atmosphere and is removed by green plants which maintains an appropriate level of carbon dioxide into the atmosphere. 

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