Multiple choice

Which of the following gas is useful for plants in making their food through the process of photosynthesis?

  1. Helium

  2. Carbon dioxide

  3. Hydrogen

  4. Nitrogen

  5. Methane

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

This is the correct option. Carbon dioxide is useful for plants in making their food through the process of photosynthesis.