2. Sample Papers
  3. 4th Class
  4. Science

4th Class Science Sample Paper Science Olympiad Model Test Paper-3

  • question_answer
    Which one of the following gas is essential for photosynthesis?

    A) Oxygen

    B) Carbon dioxide

    C) Nitrogen

    D) Helium

    E) None of these

    Correct Answer: B

You need to login to perform this action.
You will be redirected in 3 sec spinner