Question Answers For All Chapters – General Science Class 6
Nutrition and Diet-Solutions
Exercise
1. Fill in the Blanks
Answer – (a) The process of intake of food and utilizing it for all life processes is called nutrition.
(b) All the substances in our food which are useful for various bodily processes are called nutrients.
(c) Carbohydrates and fats provide energy to our body.
(d) In a balanced diet, all the nutrients are present in the right proportion.
(e) In the food pyramid, cereals are given the maximum space because they fulfill our energy requirement.
(f) Intake of more food than necessary causes overnutrition.
2 Spot the Following in the Table of Vitamins and Minerals
(a) The nutrient present in citrus fruits: Vitamin C
(b) Vitamins/minerals present in milk: Calcium, Vitamin D, Vitamin B12
(c) Causes and symptoms:
- Night blindness – Caused by lack of Vitamin A, symptoms include difficulty seeing in dim light.
- Scurvy – Caused by lack of Vitamin C, symptoms include bleeding gums.
- Rickets – Caused by lack of Vitamin D, symptoms include weak bones.
- Beriberi – Caused by lack of Vitamin B1, symptoms include weak muscles and nerve problems.
(d) Foods required to prevent the above diseases:
- Night blindness – Carrots, milk, green vegetables
- Scurvy – Oranges, lemons, amla
- Rickets – Milk, fish, sunlight exposure
- Beriberi – Milk, meat, cereals
(e) Causes of anemia: Deficiency of iron and Vitamin B12
(f) Essential mineral for healthy bones and teeth: Calcium and phosphorus
(g) Sensory organ affected due to the deficiency of Vitamin A: Eyes
3. Choose the Correct Alternative
Answer –
(a) Pulses are a very good source of (2) proteins.
(b) (1) Cereals provide maximum energy to the body.
(c) Goitre is caused by a deficiency of the mineral (3) iodine.
(d) (4) Chocolate is a type of junk food.
4. Use the food pyramid to select food items of your choice for three days. Conditions:
Answer – For three days, you can choose a balanced diet including:
- Day 1: Rice, dal, vegetables, fruits, milk, butter
- Day 2: Chapati, sprouts, salad, curd, nuts
- Day 3: Bread, eggs, soup, green vegetables, cheese
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