a. Food is heated before canning to kill ______________ .
b. _______________ is the process of drying food with smoke.
c. Freeze-dried food are easy to store and ________________ .
2. Which of the following is not a reason why we need to preserve food ?
a. For food to last longer b. For food to be stored easily
c. To reduce wastage of food d. To reduce the time taken for food to cook
3. Arrange the steps to salt fish in the correct order.
P - Clean the fish with water
Q - Rub salt into the fish
R - Remove the internal organs of the fish
a. P - Q - R b. Q - P - R c. P - R - Q d. R - P - Q
4. Daniel investigated the time taken for moulds to grow on a piece of bread. He took two pieces of bread
and sprayed one of them with water. The results of his investigation are shown below.
Time taken for mould to grow ( days)
Sprayed with water
a. In this investigation , identify what did Daniel:
i. keep the same
b. What is the purpose of this investigation ?
c. Name other factors that allow moulds to grow.