MCQ
During the night time, which gas is released by the plants?
  • A
    Oxygen.
  • Carbon dioxide.
  • C
    Hydrogen.
  • D
    Lithium.

Answer

Correct option: B.
Carbon dioxide.

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free