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Class 5 EVS Chapter 1 Extra Question Answers - Components of Food

Extra Questions

Q1. What is a deficiency disease?

The disease caused due to the lack of one or more nutrients in the diet is called deficiency disease.


Q2. Why is goitre caused?

Goitre is caused due to deficiency of iodine.


Q3. Name rich sources of vitamin A.

Carrot and spinach are rich sources of vitamins.Vitamin A Rich FoodsVitamin A Rich Foods


Q4. What is the function of roughage?

Roughage helps in maintaining the digestive system.


Q5. What is balanced diet?

The diet which contains all the essential nutrients in the right proportion is called a balanced diet.


Q6. What are energy giving foods?

Carbohydrates and fats are energy giving foods.


Q7. What are body building foods?

Proteins are body building foods.


Q8. What are the sources of carbohydrates?

Rice, wheat, maize, potato and sugar are the main sources of carbohydrates.Sources of CarbohydratesSources of Carbohydrates


Q9. Name the disease caused by the deficiency of iron?

Anaemia


Multiple Choice Questions

Q1. Which of the following are essential for body growth and the formation of new cells?
(a) Carbohydrates
(b) Protein
(c) Minerals
(d) Vitamins

Correct answer is Option (b) Protein.

A balanced diet, consisting of all the constituents of food, is necessary for the body but for growth and new cell formation, proteins also known as building blocks are essential.


Q2. The indigestible material in food is known as
(a) Roughage
(b) Minerals
(c) Vitamins
(d) Fats

Correct answer is Option (a) Roughage.

Roughage is the portion of plant foods, such as whole grains, nuts, seeds, legumes, fruits, and vegetables, that your body can't digest. All the constituents of food are digested but roughage or fibres are not digested, but they play a very important role in the formation and smooth elimination of bowels.


Q3. The component of food which is the major energy supplier is
(a) Cellulose
(b) Protein
(c) Carbohydrate
(d) Amino acid

Correct answer is Option (c) Carbohydrate.

Carbohydrates are also called energy giving food. It is the main source of energy. It is made up of carbon, hydrogen, and oxygen. 


Q4. Protein is made up of which molecule?
(a) Lipid
(b) Carbon and oxygen
(c) Amino acid
(d) Oxygen and hydrogen

Correct answer is Option (c) Amino acid.

Proteins are biological macromolecules made up of amino acids. Amino acids are made up of carbon, hydrogen, oxygen and nitrogen. Nitrogen is present as amino group attached to α-carbon atom in amino acids.

Proteins are made out of Chains of Amino AcidsProteins are made out of Chains of Amino Acids


Q5. Scurvy is caused by deficiency of which of these?
(a) Vitamin A
(b) Vitamin D
(c) Vitamin 
(d) Vitamin C

Correct answer is Option (d) Vitamin C.

Scurvy happens when there is a lack of vitamin C or ascorbic acid. The deficiency leads to symptoms of weakness, anaemia, gum disease, and skin problems.


Q6. Rickets is caused by deficiency of which of these?
(a) Vitamin D
(b) Vitamin C
(c) Vitamin K
(d) Vitamin A

Correct answer is Option (a) Vitamin D.

Rickets can occur if your child's body doesn't get enough vitamin D or if his or her body has problems using vitamin D properly. Occasionally, not getting enough calcium or lack of calcium and vitamin D can cause rickets. Body needs vitamin D to absorb calcium and phosphorus from food.


Q7. Which of the following are the sources of fats?
(a) Oil, Ghee, Butter
(b) Eggs
(c) Rice, wheat, potatoes
(d) Iron and calcium

Correct answer is Option (a) Oil, Ghee, Butter.

Oil, ghee and butter are sources of fats; eggs are a source of protein; rice, wheat and potato are sources of carbohydrates; iron and calcium are essential minerals.


Q8. 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

Correct answer is Option (c) Meat, fish, eggs.

Milk, fish, meat, cheese and eggs are the main sources of animal proteins. Vegetable proteins can be obtained from legumes including pulses and beans. Proteins are required for the growth and repair of our body.


Q9. Carbohydrates can be tested by using
(a) Iodine solution
(b) 
Caustic soda
(c) 
Copper sulphate
(d) 
Fehling solution

Correct answer is Option (a) Iodine solution.

Lugol's iodine, also known as aqueous iodine and strong iodine solution, is a solution of potassium iodide with iodine in water. It is a medication and disinfectant used for a number of purposes. Carbohydrates(starch) give violet or blue-black colour with iodine solution.


Q10. Night blindness is caused due to deficiency of
(a) Vitamin A
(b) 
Vitamin B
(c) 
Vitamin C
(d) 
Vitamin D

Correct answer is Option (a) Vitamin A.

Night blindness is caused due to deficiency of Vitamin A. The retina of the eye requires vitamin A, which is used in the form of retinal, which combines with protein opsin to form rhodopsin, the light-absorbing molecule necessary for both low-light and colour vision.

The document Class 5 EVS Chapter 1 Extra Question Answers - Components of Food is a part of the Class 6 Course Science Class 6.
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FAQs on Class 5 EVS Chapter 1 Extra Question Answers - Components of Food

1. What are the different components of food?
Ans. The different components of food are carbohydrates, proteins, fats, vitamins, minerals, and water.
2. Why are carbohydrates important for our body?
Ans. Carbohydrates are important for our body as they provide energy to the body. They are the main source of energy for the brain and muscles.
3. What are proteins and why are they important?
Ans. Proteins are complex molecules made up of amino acids. They are important for the growth and repair of the body tissues. They also play a role in the production of enzymes, hormones, and antibodies.
4. What are fats and why do we need them?
Ans. Fats are an important component of our food. They provide energy to the body and help in the absorption of vitamins. Fats also help in the formation of cell membranes and protect the organs in our body.
5. Why is it important to have a balanced diet?
Ans. It is important to have a balanced diet as it ensures that our body gets all the necessary nutrients in the right amount. A balanced diet helps in maintaining good health, prevents diseases, and promotes overall well-being.
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