Spoilage of Food
Spoilage of Food: Overview
This topic explains concepts such as Food Spoilage, Identifying Food Spoilage, Yeasts, Food Spoilage by Rodents, etc.
Important Questions on Spoilage of Food
Yeast can survive without _____. (oxygen/food)
Food gets decayed mainly due to the _____ (decomposition/reproduction) activities of bacteria, fungi, etc.
How do rats, ants and cockroaches spoil the stored food grain?
How can the decaying of food be assessed?
Explain the structure of yeast with the help of a diagram.
Which of the following is used in wine industry?
Keep the cooked food and raw food in separate vessels and observe for two days.
What changes do you observe in raw fruits and vegetables?
Keep the cooked food and raw food in separate vessels and observe for two days.
What are the changes seen in rice?
Describe the factors that cause food spoilage.
Mycorrhiza is a _____. (algae/bacteria/fungus)
Talk to the elderly people in your family to find the answers to the following questions, with reference to the foodstuffs mentioned below.
Milk, vegetables, grains, flours, sugar, jaggery
When do we say that the foodstuff is spoiled? What changes are seen in it?
How do we get to know that the food is spoiled?
The whole class can do this experiment together. Take a piece of bread or roti. Sprinkle a few drops of water on it, and put it in a box. Close the box. See the bread or roti every day until you find some changes on it. Make this table on a chart paper and put it up in the classroom. Fill up the chart every day after discussing the changes seen.
You should eat fruit pieces kept open for long.
To check if the food is stale, you use your
How do we know microorganisms have spoiled our food?
Which of the following diseases cannot be prevented by vaccination?
