Question

Match the column A and column B

Column 1	Column 2
Natural preservatives	Potassium metabisulphite
Chemical preservatives	Sunlight
Spirogyra	removing micro- organism
Dehydration	salt
Increasing temperature	Removing enzymes

Answer 1

1. Natural preservatives (iv) Salt

Salt is a natural preservative as it removes the water content from the food which lowers the microbial action.

2. Chemical preservatives (i) Potassium metabisulphite

Potassium metabisulphite is a chemical preservative that prevents microbial growth and avoids loss of nutrition.

3. Spirogyra (iii) removing microorganisms

Spirogyra removes microorganisms.

4. Dehydration (i) sunlight

Sunlight is one of the processes of removing water from food, which is called dehydration.

5. Increasing temperature (v) Removing enzymes

When we increase the temperature, the enzymes present in the food are destroyed due to high temperatures.

COLUMN A	COLUMN B
A. Natural preservatives	(iv) salt
B. Chemical preservatives	(i) Potassium metabisulphite
C. Spirogyra	(iii) removing micro- organism
D. Dehydration	(ii) Sunlight
E. Increasing temperature	(v) Removing enzymes