Name the green pigment present in the leaves of a plant.

Name the raw materials required for photosynthesis. How do plants obtain these raw materials?

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

List two different functions performed by the $pancreas$ in our body.

$(a)$ Which enzyme initiates the digestion of proteins? Name the other enzyme produced by the same gland.
$(b)$ How would the digestion of proteins and carbohydrates be affected if the pancreatic duct is completely blocked?

The process of obtaining food by $Amoeba$ is known as: