Animals cells do not prepare their own food, but plant cells prepare their own food. What helps plant cells to prepare their own food?

Q. Which among the following help plant cells to prepare their own food?

Q. Why do plants prepare their own food only during the daytime?

Q. Name the following:

(a) The process in plants that links light energy with chemical energy.
(b) Organisms that can prepare their own food.
(c) The cell organelle where photosynthesis occurs.
(d) Cells that surround a stomatal pore.
(e) Organisms that cannot prepare their own food.