4th Class Science Sample Paper Science Olympiad Model Test Paper-2

  • question_answer
      Which of the following statements is true about photosynthesis?

    A) All animals make their food by the process of photosynthesis.

    B) Carbon dioxide is the by-product of photosynthesis.

    C) The presence of chlorophyll is necessary for photosynthesis to take place.

    D) Photosynthesis takes place in roots of the plants.

    E) None of these

    Correct Answer: C

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