Question

1. which organelle is responsible for carrying out photosynthesis in plant cells?

mitochondrion
nucleus
ribosome
chloroplast

Explanation:

To determine the organelle responsible for photosynthesis in plant cells, we analyze each option:

• Mitochondrion: Involved in cellular respiration, not photosynthesis.
• Nucleus: Contains genetic material and controls cell activities, not photosynthesis.
• Ribosome: Involved in protein synthesis, not photosynthesis.
• Chloroplast: Contains chlorophyll and is the site of photosynthesis in plant cells.

Answer:

D. Chloroplast