issb general knowledge MCQ #21

Which gas do plants absorb during photosynthesis?

issb general knowledge MCQ #21

  1. Question 1

    Q1. Which gas do plants absorb during photosynthesis?

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

    Answer: Carbon dioxide

    Explanation: Plants use CO₂ and release O₂ during photosynthesis. This fact often appears in ISSB academic and general knowledge sections.