(a) Explain briefly why a tomato plant is likely to wilt if too much fertilizer is applied.
(b) State the dangers involved in each of the following activities in the laboratory:
(i) eating or drinking water in the laboratory.
(ii) Walking barefooted;
(iii) washing hands with unknown liquid in a beaker.

(c) A child is found not to be able to see at night.
(i) what deficiency disease may the child be suffering from?
(ii) what food nutrient is the child lacking?
(iii) State three sources of food substances that can provide the nutrient that child lacks.

(d) (i) What is a force?
(ii) Explain briefly why a driver a could not stop a car on a slippery section of a road when he applied the brake.