Describe an experiment to show that sunlight is essential for 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.