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    Question

    Read the given statements, labelled Assertion (A) and

    Reason (R), and select the most appropriate option with respect to them. Statement : 'A': Carbon dioxide is not always a pollutant. 'R': Plants require carbon monoxide for growth that they get from carbon dioxide.
    A Statement 'A' is true but statement 'R' is false. Correct Answer Incorrect Answer
    B Both statements 'A' and 'R' are false. Correct Answer Incorrect Answer
    C Both statements 'A' and 'R' are true but 'R' is not the correct explanation of 'A'. Correct Answer Incorrect Answer
    D Both statements 'A' and 'R' are true and 'R' is the correct explanation of 'A'. Correct Answer Incorrect Answer

    Solution

    Human-produced CO₂ is beneficial to plants, thus it is not necessarily a pollutant. Instead of carbon monoxide, plants need oxygen to produce the carbohydrates that aid in their growth. 

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