Question 1.
What is a balanced diet?
Answer:
A diet in which every component of food (carbohydrates, fats, proteins, vitamins, minerals, water and roughage) is present in proper amount is known as a balanced diet.
Question 2.
- How many calories does a 12-year old boy or girl need each day?
- How can the boy or girl get this in his/her diet?
Answer:
- A 12-year old boy or girl needs 2000-2200 calories per day.
- The boy or girl can get this by a diet including daal, rice, roti, green vegetables, ghee and a bit of jaggeiy.
Question 3.
Why does a growing child need more minerals?
Answer:
A growing child needs more minerals like calcium and phosphorus for the formation of bones.
Question 4.
Write three important properties of a balanced diet.
Answer:
A balanced diet has the following properties:
- It is rich in essential nutrients such as vitamins, minerals and certain amino acids,
- It provides enough material to take care of the needs of growth, repair and replacement of cells, tissues and organs of the body.
- It provides energy required by the body.
Question 5.
What is obesity?
Answer:
When a person eats too much fat-containing food, then the fats get deposited in his body and he may end up suffering from a condition called obesity.
Question 6.
Explain why people who eat sea-food do not suffer from goitre.
Answer:
Goitre is caused due td iodine deficiency. Sea-food is a rich source of iodine and prevents the occurrence of goitre in people who eat sea-food.
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