scject~~
1. Why is it not advisable to eat raw eggs?
(1) Raw eggs are difficult to digest.
(2) Raw eggs do not taste good.
(3) Raw eggs may contain pathogens.
A. (1) and (2) only
B. (1) and (3) only
C. (2) and (3) only
D. (1), (2) and (3)
2. Which of the following can be recycled in an ecosystem?
(1) carbohydrate
(2) water
(3) nitrate
A. (1) and (2) only
B. (1) and (3) only
C. (2) and (3) only
D. (1), (2) and (3)
3. Which of the following methods of food treatment cannot kill the pathogens present in food?
A. keeping meat in a refrigerator
B. cooking fish with steam
C. immersing fruit in vinegar
D. adding sulphur dioxide to fruit juice