Questions & answers for Chapter 2 Components of food

Chapter 2 Components of food Questions and Answers for class 6 Science

Find below Important MCQ-based objective questions for Chapter 2 Components of food prepared for CBSE students. All the syllabus of Class 6 Science Chapter 2 Components of food is covered with questions and answers. Each question is explained with a detailed solution. The entire syllabus of Chapter 2 Components of food is covered in the following worksheet for class 6 science. For more worksheets for class 6 science click on the link and do check out NCERT solutions for class 6 science. 

Find below Class 6 Science Chapter 2 Components of food Questions & Answer

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Class 6 Science Chapter 2 Components of food Questions & Answer Set-1

Science - MCQ on Components of Food

Class VI

Q.1.The indigestible material in the food is known as – (1Mark)

a. Fats

b. Proteins

c. Carbohydrates

d. Roughage

Answer:

(D) Roughage

Explanation- Roughage is the fibrous indigestible material in the food. It contains cellulose which is not digested in the body. Fats, proteins and carbohydrates are digested in the body.

Q.2.Which of the following is essential for body growth and formation of new cells? (1Mark)

a. Proteins

b. Carbohydrates

c. Vitamins

d. Fats

Answer:

(A) Proteins

Explanation- Proteins are body building foods. Carbohydrates and fats are energy giving foods while vitamins are essential for maintenance of our body.

Q.3.Which of the following food items contains carbohydrates? (1Mark)

a. Rice

b. Cabbage

c. Vitamins

d. Butter

Answer:

(A) Rice

Explanation-Carbohydrates are found in rice. Cabbage, vegetables and fruits contain vitamins. Fat is obtained from butter.

Q.4.On adding a few drops of concentrated nitric acid on crushed food and then heating, colour turns yellow, it indicates the presence of - (1Mark)

a. carbohydrates

b. proteins

c. fats

d. vitamins

Answer:

(B) Proteins

Explanation - It is a test for the presence of proteins in the food.

Q.5.Oxygen in the body is transported to the tissue by- (1Mark)

a. haemoglobin

b. plasma

c. diffusion

d. all of the above

Answer:

(A)haemoglobin

Explanation-Haemoglobin is present in the blood. It carries oxygen and converted into oxy-haemoglobin.

Q.6.The energy supplier component of food is- (1Mark)

a. Protein

b. Amino acid

c. Cellulose

d. Carbohydrate

Answer:

(D) Carbohydrate

Explanation- Amino acids form proteins which help in the body growth. Cellulose does not give energy. Carbohydrates are energy giving foods.

Q.7.Which of the following are called protective foods? (1Mark)

a. Vitamins

b. Minerals

c. Both (A) and (B)

d. None

Answer:

(a) (C) Both (A) and (B)

Explanation- Both vitamins and minerals protect our body from various diseases.

Q.8.Which vitamin is destroyed by heating? (1Mark)

a. B

b. E

c. C

d. K

Answer:

(C) C

Explanation- Vitamin C is destroyed by heat during cooking. So, we should not add vitamin C at the time of cooking.

Q.9.Find the odd one out- (1Mark)

a. Wheat

b. Maize

c. Rice

d. Butter

Answer:

(D) Butter

Explanation- Wheat, maize and rice are sources of carbohydrates but butter is a source of fat.

Q.10.Which of the following statements is the correct statement? (1Mark)

a. A person doing hard physical work needs Vitamins.

b. Anaemia is caused due to the deficiency of iodine.

c. The carbohydrate which digested by our body is cellulose.

d. Children are prone to disease due to malnutrition.

Answer:

(D) Children are prone to disease due to malnutrition.

Explanation- Children are often affected by the lack of one or more nutrients in their diet like protein. The diseases which are caused due to Protein Energy Malnutrition (PEM) are Kwashiorkar and Marasmus.

Q.11.Which food component prevents constipation? (1Mark)

a. Fat

b. Vitamins

c. Carbohydrate

d. Roughage

Answer:

(D) Roughage

Explanation- Fat and carbohydrate give energy. Vitamins are protective foods. Roughage consists of fibrous material, so prevents constipation.

Q.12. Find the odd one out- (1Mark)

a. Vitamin C

b. Vitamin A

c. Vitamin D

d. Vitamin E

Answer:

(A) Vitamin C

Explanation- Vitamin C is water soluble while the remaining three are fat-soluble.

Q.13.Find from the following that needs a diet, full of Carbohydrates and fat- (1Mark)

a. A doctor

b. An office clerk

c. An advocate

d. A player

Answer:

(D) A player

Explanation-A player needs more energy which is given by carbohydrates and fat.

Q.14. Tooth decay is caused due to the deficiency of- (1Mark)

a. Vitamin A

b. Iron

c. Iodine

d. Fluorine

Answer:

(D) Fluorine

Explanation- Deficiency of vitamin A causes Night blindness. Anaemia is caused due to the deficiency of iron and goitre is caused due to the deficiency of iodine. Tooth decay is caused due to the deficiency of fluorine.

Q.15.Which is the false statement from the following? (1Mark)

a. Water maintains the body temperature.

b. Water helps in transportation of nutrients to and from the cells.

c. Water is essential for the life to exist.

d. About one third of our body weight is water.

Answer:

(D) About one third of our body weight is water.

Explanation- Option (D) is false as abouttwo third of our body weight is water.

Q.16.A malnourished child needs – (1Mark)

a. Costly medicine

b. Vitamins

c. The required amount of balanced diet

d. Tonics

Answer:

(C) The required amount of balanced diet

Explanation-A malnourished child does not need costly medicines or tonics. He should be given the required amount of balanced diet.

Q.17.Which is the source of instant energy? (1Mark)

a. Cellulose

b. Glucose

c. Wheat

d. Maize

Answer:

(B) Glucose

Explanation- Glucose directly enters in the blood stream and gives energy by respiration.

Q.18.Vitamin D is found in – (1Mark)

a. Carrot

b. Liver

c. Pumpkin

d. Exposure to sun light

Answer:

(D) Exposure to sunlight

Explanation- Carrots, liver and pumpkin contain Vitamin A. Sunlight contains vitamin D.

Q.19.A person is suffering from bleeding of gums, it shows the deficiency of-

a. Vitamin C

b. Vitamin B

c. Vitamin A

d. Vitamin E (1Mark)

Answer:

(A) Vitamin C

Explanation- The person is suffering from bleeding gums i.e. scurvy disease. It is caused due to the deficiency of vitamin C.

Q.20.A balanced diet contains- (1Mark)

a. Proteins, carbohydrates and fats

b. Minerals and vitamins

c. Roughage and water

d. All

Answer:

(D) All

Explanation- A balanced dietcontains all the essentials nutrients in the right proportion.

Q.21. Fats are- (1Mark)

a. Inorganic compounds

b. Energy bank of the body

c. Fibrous components of the body

d. Body building foods

Answer:

(B) Energy bank of the body

Explanation-Fats give more energy than carbohydrates.

Q.22. Blood is red due to the presence of- (1Mark)

a. Iodine

b. Calcium

c. Iron

d. Phosphorus

Answer:

(C) Iron

Explanation- Blood contains haemoglobin which has iron. It makes the blood red.

Q.23.Rich sources of roughage are- (1Mark)

a. Salad, corn and porridge (dalia)

b. Milk

c. Vegetables and food

d. Both (A) and (C)

Answer:

(D) Both (A) and (C)

Explanation- Salad, corn, dalia, vegetables and fruits have much fibres. So, they are rich in roughage.

Q.24.Blue black colour on adding dilute iodine solution in a crushed food item indicates the presence of- (1Mark)

a. Fat

b. Vitamins

c. Proteins

d. Starch

Answer:

(D) Starch

Explanation- The presence of blue-black colour with dilute Iodine solution shows the starch in a food material.

Q.25.Energy contents of food is expressed in- (1Mark)

a. Grams

b. Calories

c. Litre

d. Metres

Answer:

(B) Calories

Explanation-Gram is unit for mass. Litre is unit for volume and length is measured in metres. The energy content of food is measured in calories.

Q.26. Vitamin K is needed for- (1Mark)

a. Normal night vision

b. Normal growth of bones

c. Healthy teeth and gums

d. Clotting of blood

Answer:

(D) Clotting of blood

Explanation-Vitamin K helps in clotting of blood.

Class 6 Science Chapter 2 Components of food Questions & Answer Set-2

Q.27.Match the items given in column A with that in column B. (1Mark)

COLUMN A	COLUMN B
I. Amla, lemon II. Soyabean III. Obesity IV. Goitre	a. Protein b. Iodine c. Vitamin C d. Overeating

a. I-c, II-a, III-d, IV-b

b. I-d, II-a, III-b, IV-c

c. I-a, II-c, III-b, IV-d

d. I-b, II-a, III-d, IV-c

Answer:

(a) (A) I-c, II-a, III-d, IV-b

Explanation-Amla and lemon contain vitamin C. Soyabean is a rich source of protein. Obesity is caused due to overeating. Goitre is caused due to the deficiency of iodine.