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Extra Questions and mcqs on Components of Food Class 6 Science - 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

Question for MCQ's & Extra Questions: Components of Food
Try yourself:Q4: What is the function of roughage?
View Solution

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

Question for MCQ's & Extra Questions: Components of Food
Try yourself:Q1: Which of the following are essential for body growth and the formation of new cells?
View Solution

Q2. 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.


Q3. 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.


Q4. 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. 


Q5. 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

Q6. 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.


Q7. 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.


Q8. 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.


Q9. 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.

Question for MCQ's & Extra Questions: Components of Food
Try yourself:Q10: Carbohydrates can be tested by using 
View Solution

Q11. 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.

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FAQs on Extra Questions and mcqs on Components of Food Class 6 Science - Components of Food

1. What are the six main components of food?
Ans. The six main components of food are carbohydrates, proteins, fats, vitamins, minerals, and water.
2. Why is it important to have a balanced diet with all the components of food?
Ans. A balanced diet with all the components of food is important to ensure that our body gets all the essential nutrients in the right amounts for proper growth and development.
3. What are some good food sources for each component of food?
Ans. Some good food sources for each component of food include carbohydrates (rice, bread), proteins (meat, beans), fats (oils, nuts), vitamins (fruits, vegetables), minerals (dairy products, leafy greens), and water.
4. How does each component of food benefit our body?
Ans. Carbohydrates provide energy, proteins help in growth and repair of tissues, fats provide energy and help in absorption of vitamins, vitamins and minerals support various bodily functions, and water helps in hydration and digestion.
5. What happens if we consume too much or too little of any component of food?
Ans. Consuming too much or too little of any component of food can lead to various health issues. For example, excess intake of fats can lead to obesity, while a deficiency in vitamins can cause various deficiencies and health problems. It is important to consume each component in the right proportions.
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