Define photosynthesis. List three events which occur during photosynthesis. Write chemical equation involved during photosynthesis.

Draw a neat diagram of the alimentary canal and label the following parts:

(i) The largest gland
(ii) The gland that secretes digestive enzymes as well as hormones.
(iii) The part where digested food is absorbed.

Draw sectional view of human heart and label

(i) Pulmonary artery (ii) Aorta (iii) Septum (iv) Ventricles.