2. Sample Papers
  3. 10th Class
  4. General Knowledge

10th Class General Knowledge Sample Paper General Knowledge Olympiad Model Test Paper-13

  • question_answer
    Carbon dioxide is called greenhouse gas because:

    A)  It is used in photosynthesis

    B)  It absorbs infrared radiation

    C)  It emits visible radiation

    D)  Its concentration remains always higher than the other gas

    E)  None of these

    Correct Answer: B

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