Q.3.Write the following.
[a] Answer the following question (each question 3 marks)
1.suggest some measures by which we can avoid wastage of food.
2. What are deficiency diseases ? how can they be prevented ?
3.What do you mean by evaporation ?
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Answer:
1.The following are the ways by whichwastage of food can be avoided. 1) Buy only what you need in absolute quantities. 2) Try to avoid storing foods in large amounts. 3) Try to eat food only when youare hungry.
2.
“Deficiency diseases are diseases that are caused by the lack of certain essential nutrients, especially vitamins and minerals, in one's diet over a prolonged period of time.”
The deficiency diseases can be preventedin the following manner: Eating simple, wholesome food such as groundnut, soybean, pulses, etc. Prolonged cooking and undercooked food lose its nutritional value. Keeping cut vegetables and fruits for a longer period also destroys its nutritional values.
3.

Evaporation, the process by which an element or compound transitions from its liquid state to its gaseous state below the temperature at which it boils; in particular, the process by which liquid water enters the atmosphere as water vapour. ...
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