Biology

The correct answer is: A.Chloroplasts.

Chloroplasts are the organelles in plant cells where photosynthesis occurs. They are green because they contain a pigment called chlorophyll, which absorbs light energy (primarily from the sun) and converts it into chemical energy during photosynthesis. Chlorophyll reflects green light, which is why plants appear green to us.

Why the other options are incorrect:

B.Cell Wall: The cell wall provides structure and support to plant cells but is not involved in photosynthesis. It i...