Answer the following questions:
Q.1. What is a deficiency disease?
Ans. The disease caused due to the lack of one or more nutrients in the diet is called deficiency disease.
Q.2. Why is goitre caused?
Ans. Goitre is caused due to deficiency of iodine.
Q.3. Name rich sources of vitamin A.
Ans. Carrot and spinach are rich sources of vitamins.
Q.4. What is the function of roughage?
Ans. Roughage helps in maintaining the digestive system.
Q.5. What is balanced diet?
Ans. The diet which contains all the essential nutrients in the right proportion is called a balanced diet.
Q.6. What are energy giving foods?
Ans. Carbohydrates and fats are energy giving foods.
Q.7. What are body building foods?
Ans. Proteins are body building foods.
Q.8. What are the sources of carbohydrates?
Ans. Rice, wheat, maize, potato and sugar are the main sources of carbohydrates.
Q.9. Name the disease caused by the deficiency of iron?
MULTIPLE CHOICE QUESTIONS
Q.1. Which of the following are essential for body growth and formation of new cells?
Ans. (b) Protein
Q.2. The indigestible material in food is known as
Ans. (a) Roughage
Q.3. The component of food which is the major energy supplier is
(d) Amino acid
Ans. (c) Carbohydrate
Q.4. Protein is made up of which molecule?
(b) Carbon and oxygen
(c) Amino acid
(d) Oxygen and hydrogen
Ans. (c) Amino acid
Q.5. Scurvy is caused by deficiency of which of these?
(a) Vitamin A
(b) Vitamin D
(d) Vitamin C
Ans. (d) Vitamin C
Q.6. Rickets is caused by deficiency of which of these?
(a) Vitamin D
(b) Vitamin C
(c) Vitamin K
(d) Vitamin A
Ans. (a) Vitamin D
Q.7. Which of the following are the sources of fats?
(a) Oil, Ghee, Butter
(c) Rice, wheat, potatoes
(d) Iron and calcium
Ans. (a) Oil, Ghee, Butter
Q.8. Which of the following are the sources of protein?
(a) Iron and calcium
(b) Rice and wheat,
(c) Meat, fish, eggs.
(d) Fruits and vegetables
Ans. (c) Meat, fish, eggs
Q.9. Carbohydrates can be tested by using
(a) Iodine solution
(b) Caustic soda
(c) Copper sulphate
(d) Fehling solution
Ans. (a) Carbohydrates(starch) give violet or blue black colour with iodine solution.
Q.10. Night blindness is caused due to deficiency of
(a) Vitamin A
(b) Vitamin B
(c) Vitamin C
(d) Vitamin D
Ans. (a) Night blindness is caused due to deficiency of vitamin A.