Multiple choice

Green plants combine carbon dioxide and water in the presence of sun light to form food. This process is known as _________.

  1. photosynthesis

  2. respiration

  3. oxidation

  4. reduction

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

Photosynthesis is the process by which green plants use sunlight to convert carbon dioxide and water into glucose (food) and oxygen. Chlorophyll in plant cells captures solar energy to drive this reaction, which is the foundation of most food chains on Earth.