Chapter 1: Components of Food

Class 6 Science - NCERT Exercise Solutions

Summary: In this chapter, we learned that our food contains nutrients such as carbohydrates, proteins, fats, vitamins, and minerals. Dietary fibre and water are also essential components of our diet.

NCERT Exercise Questions & Answers

Q1. Name the main nutrients in our food.
Carbohydrates, Proteins, Fats, Vitamins, and Minerals. Also, dietary fibre and water are important.
Q2. Name the following:
(a) Nutrients that mainly give energy → Carbohydrates & Fats
(b) Nutrients for growth and maintenance → Proteins & Minerals
(c) Vitamin for good eyesight → Vitamin A
(d) Mineral for bones → Calcium
Q3. Name two foods rich in:
(a) Fats → Ghee, Butter
(b) Starch → Rice, Potato
(c) Dietary fibre → Fruits, Vegetables
(d) Protein → Pulses, Eggs
Q4. Tick the correct statements:
(a) Only rice is enough → ❌
(b) Balanced diet prevents diseases → ✓
(c) Balanced diet needs variety → ✓
(d) Only meat is enough → ❌
Q5. Fill in the blanks:
(a) Rickets is caused by lack of Vitamin D
(b) Beriberi is caused by lack of Vitamin B1
(c) Scurvy is caused by lack of Vitamin C
(d) Night blindness is caused by lack of Vitamin A

Deficiency Diseases Table

Nutrient Disease Symptoms
Vitamin A Night Blindness Poor vision at night
Vitamin B1 Beriberi Weak muscles
Vitamin C Scurvy Bleeding gums
Vitamin D Rickets Soft bones
Calcium Weak bones Bone weakness
Iron Anemia Weakness
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