Biology · General Awareness

Nutrition and Food Sources

2,738 Questions

Nutrition and Food Sources questions test your knowledge of vitamins, dietary minerals, carbohydrates, and specialized dietary principles. This topic is commonly asked in railway, SSC, and UPSC exams. Review these questions to master the biological and health aspects of human nutrition.

Vitamins and mineralsDietary fiber sourcesMacronutrient functionsNaturopathic diet principlesOmega-3 fatty acids

Nutrition and Food Sources Questions

Multiple choice

Best source of casein is

  1. milk

  2. meat

  3. egg

  4. rice

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Casein is the primary protein in milk, constituting approximately 80% of milk's total protein content. It's a complete protein containing all essential amino acids and forms curds during digestion. Meat and eggs contain different proteins (myosin, albumin), while rice is primarily a carbohydrate source with minimal protein.

Multiple choice

Why should we not wash chopped fruits and vegetables?

  1. It can lead to loss of fats.

  2. It can lead to loss of proteins.

  3. It leads to loss of vitamins and minerals.

  4. It leads to loss of carbohydrate.

  5. It leads to loss of roughage.
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Yes, washing of chopped fruits and vegetables leads to loss of vitamins and minerals. So this is the right answer.

Multiple choice

Match the following.

 
1. Cereals Potatoes and sugar A. Gives you strong bones and teeth
2. Pulses, eggs and meat B. Gives you energy
3. Milk and milk products C. Help you stay healthy
4. Fruits and vegetables D. Help you grow

  1. 1 - D, 2 - B, 3 - C, 4 - A

  2. 1 - B, 2 - D, 3 - C, 4 - A

  3. 1 - B, 2 - D, 3 - A, 4 - C

  4. 1 - B, 2 - A, 3 - C, 4 - D

  5. 1 - C, 2 - B, 3 - D, 4 - A
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

This is the right answer. Cereals, potatoes and sugar are rich in carbohydrate and it gives us energy to perform our activities. Pulses, egg and meat are protein rich food and are body building food,  which help us to grow. Milk and milk products are rich in calcium, which gives us strong bones and teeth and fruits and vegetables are protective food as they are rich in vitamins and minerals, protects our body from diseases.

Multiple choice

Which of the following statements is false regarding food?

  1. It is the source of energy for all animals.

  2. It is a combination of various substances.

  3. It is obtained from both plants and animals.

  4. The food made from milk contains only proteins.
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Yes, it is the incorrect statement. Milk not only contains proteins but also some nutrients such as carbohydrates fats, vitamins and minerals.

Multiple choice

Which of the following statements is incorrect regarding the vegetarian food?

  1. It is easily available.

  2. It is easily digestible.

  3. It lacks some of the components of food.

  4. It is cheaper in comparison to non-vegetarian food.
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

It is incorrect to say that the vegetarian food lacks some necessary components of food. Actually, they are highly nutritious. Milk, fruits, cereals contain all the components of food, which are necessary to be called as a balanced diet.

Multiple choice

What does 'ingredient' mean?

  1. It is a kind of simple carbohydrate.

  2. These are the substances used to prepare a special dish.

  3. A substance, which helps to prevent constipation.

  4. It is one of the nutrients of food.
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Yes, it is the correct answer. The substances, which are combined to make a particular dish are called ingredients. For example, a dish of dal can be made by using many ingredients such as pulses, salt, spices, oil and water.

Multiple choice

A person deficient in rhodopsin (visual pigment) should take

  1. tomatoes

  2. radish

  3. carrots

  4. guavas

  5. banana
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Rhodopsin is a visual pigment in rod cells that requires vitamin A (retinal) for its formation. Carrots are rich in beta-carotene, which the body converts to vitamin A. While tomatoes, radish, guavas, and bananas are nutritious, they are not significant sources of vitamin A precursors.