Name the organelle in which photosynthesis occurs.

Explain how does Paramecium obtain its food.

What are the necessary conditions for autotrophic nutrition and what are its byproducts?

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
$(f)$ An enzyme secreted from gastric glands in the stomach that acts on proteins

Name the reserved food of plant cell.

The shape of guard cells changes due to change in the