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

$(a)$ Draw a diagram of the human alimentary canal and label the gall bladder, liver, and pancreas.
$(b)$ State the roles of the liver and pancreas in digestion.
$(c)$ Name the organ that performs the following functions in humans:
$(i)$ Absorption of digested food.
(ii) Absorption of water.

The diagram shows the arrangement of cells inside the leaf of a green plant. $(\text{No cell contents are shown})$. Which cells normally contain chloroplasts?

Explain how does Paramecium obtain its food.

What is the role of the acid in our stomach?

Name three different glands associated with the digestive system in humans. Also name their secretions.