Nutrition in Plants

What are stomata? Explain their function.

Define the following terms: a) Nutrition b) Host

Whether food is made in all parts of a plant or only in certain parts? Explain.

Why some plants are called insectivorous? Give examples.

How is sunlight used by the plant for photosynthesis?

How are nutrients replenished in soil naturally? How can the nutrients be replenished artificially?