Nutrition

Class 9 · Biology · 6 questions

Name: ____________________ Date: ____________

Which nutrient is the main source of energy?
- A Minerals
- B Vitamins
- C Carbohydrates
- D Water
Lack of vitamin C causes:
- A Scurvy
- B Rickets
- C Beriberi
- D Night blindness
Which mineral is needed for strong bones and teeth?
- A Calcium
- B Iron
- C Iodine
- D Sodium
Proteins are digested to:
- A Glucose
- B Fatty acids
- C Amino acids
- D Glycerol
Bile is produced by the:
- A Liver
- B Pancreas
- C Kidney
- D Stomach
Most digested food is absorbed in the:
- A Large intestine
- B Small intestine
- C Stomach
- D Oesophagus

Answer key

1. C, 2. A, 3. A, 4. C, 5. A, 6. B

Carbohydrates are the main and quickest energy source.
Vitamin C deficiency causes scurvy.
Calcium builds bones and teeth.
Protein digestion gives amino acids.
The liver makes bile, which is stored in the gall bladder and helps digest fats.
The small intestine has villi that give a large surface for absorption.