What is the site of photosynthesis in the cells of a leaf ?

Chloroplast

The correct answer is Option (4) – Chloroplast

The site of photosynthesis in the cells of a leaf is: Chloroplast

Chloroplasts are specialized organelles found in plant cells, particularly abundant in leaf cells. They contain chlorophyll pigments that capture light energy from the sun and use it to drive the process of photosynthesis. Within the chloroplasts, various biochemical reactions occur, including the light-dependent reactions in the thylakoid membranes and the light-independent reactions (Calvin cycle) in the stroma. These reactions collectively enable the conversion of light energy into chemical energy in the form of glucose. Therefore, chloroplasts are the primary site of photosynthesis in plant cells.