Question

Food spoilage can be prevented by

• A. Heating of food
• B. Using chemical
• C. Canning
• D. All of these

Answer 1

The correct option is D

All of these

The correct option is D.

Explanation of the correct option:

1. The contamination of food by microorganisms results in food spoilage.
2. The consumption of this spoiled food by humans results in food poisoning.
3. Microorganisms like bacteria and fungi are responsible for food poisoning
4. . These microbes when growing on food substances produce toxins.
5. Food spoilage can be prevented by:

• Heating of food- Heating food to a high temperature kills microbes.
• Using chemicals- Chemicals that are used to check the growth of microbes are called preservatives.
• The commonly used preservatives are sodium benzoate, sodium metabisulphite, and potassium metabisulphite.
• Canning- Canning is another method of food preservation.
• After sterilizing, the food is canned in airtight containers to check the entry of microbes.

Final answer: Food spoilage can be prevented by heating of food, using chemicals, and canning.