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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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