Amino acids are formed by the decomposition of which component of our diet?

Name the following: An enzyme secreted by gastric glands in the stomach which acts on proteins.

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

Apart from sunlight and chlorophyll, what other things are required for plants to synthesize food via photosynthesis?

What is the role of the acid in our stomach?

Fill in the blank with a suitable word: All green plants are . . . . . . .