Bile juice is secreted by . . . . . . .

State any one difference between autotrophic and heterotrophic modes of nutrition.

$(a)$ 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.

Draw a labelled diagram of stomata. List two functions of stomata.

Which of the following components of our food is digested by an enzyme that is present in both saliva and pancreatic juice?

Name one organism each that exhibits saprophytic, parasitic, and holozoic modes of nutrition.