issb general knowledge MCQ #216

Which gas is used by plants in photosynthesis?

issb general knowledge MCQ #216

  1. Question 1

    Q1. Which gas is used by plants in photosynthesis?

    • A) Oxygen
    • B) Carbon dioxide
    • C) Nitrogen
    • D) Hydrogen

    Answer: Carbon dioxide

    Explanation: Plants absorb carbon dioxide during photosynthesis. This fact often appears in ISSB academic and general knowledge sections.