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This section includes InterviewSolutions, each offering curated multiple-choice questions to sharpen your knowledge and support exam preparation. Choose a topic below to get started.

1.

Who need the highest proportion of Proteins in their daily diet-a 15 year old boy, a 55 year old female writer and 35 year old male bank officer? Explain why.

Answer»

1. The boy with an age of 15, requires high quantity of proteins in his diet. 

2. Because proteins are very essential for his physical growth. 

3. The boy is in adolescence, hence he has rapid physical growth. So, he needs high quantity of proteins in his diet.

2.

You did an experiment in your classroom to test the proteins. In that i) What apparatus did you use in that experiment? ii) What are the solutions you prepared? iii) What change did you observe in the colour? iv) What precautions did you take in this experiment?

Answer»

a) Test tubes, Dropper. 

b) 2% Copper Sulphate solution and 10% Sodium Hydroxide solution. 

c) Violet or purple colour. 

d) Take care of measuring chemicals while preparing the solutions.

3.

Iodine soluton is used in the test of A) Starch B) Glucose C) FatsD) Proteins

Answer»

Correct option is A) Starch

4.

What is the components of foods ?

Answer»

All food items contain all the components of food. The amount of each component varies from one type of food to another.

5.

Look at the food ‘THAU’ with many food items and list out the food items and food components in it. You need not eat all items as shown in the “THAU” rather you should ensure that your food contains all food components everyday in adequate quantity. For example, a diet containing food items having more of carbohydrates and protein along with a little fat, vitamins and minerals makes a balanced diet.

Answer»
Food ItemsFood Components
RiceCarbohydrates
Red gram dalProteins
ChapathiCarbohydrates
VegetableFats, vitamins
curryminerals
BananaMinerals
Green saladVitamins & minerals
CurdFat, minerals

6.

Balanced diet is A) Costly B) Cheap C) Not very costly D) Not cheap

Answer»

Correct option is C) Not very costly

7.

Which foods show the presence of starch?

Answer»

1. Rice (78.2%) 

2. Potato (22.6%) 

3. Milk (5%) 

4. Curd (3%) 

5. Egg (0%)

8.

What components are most common in your list?

Answer»

The common components in the list are

1. carbohydrates 

2. proteins 

3. fats 

4. sugars 

5. minerals and 

6. vitamins.

9.

What nutrients are present in milk?

Answer»

In buffalo’s milk 

1. Minerals are present (0.8%) 

2. Calcium (210 mg per 100 g) is present 

3. Phosphorus (130 mg per 100 g) is present 

4. Iron (0.2 mg per 100 g) is present.

10.

Do you find any vitamins and minerals in the biscuits? What are they?

Answer»

1. I find vitamins and minerals in the biscuits. 

2. They are a) Vitamin – D, Vitamins B, B and B12

3. a) Calcium, b) Iron, c) Iodine are the minerals present.

11.

What do the above tests confirm?

Answer»

1. The above tests show the presence of components of food which are usually present in larger amounts as compared to others, 

2. All types of food that we eat contain all the above-mentioned food components. 

3. The quantity of each component varies from type to type.

12.

What are the components found in biscuits?

Answer»

In biscuits the following components are present. 

1. carbohydrates 

2. proteins 

3. fat 

4. sugars 

5. saturated fatty acids 

6. mono unsaturated fatty acids 

7. poly unsaturated fatty acids 

8. trans-fatty acids 

9. cholesterol 

10. calcium 

11. iron 

12. iodine 

13. vitamins.

13.

What are the essential components of food?

Answer»

1. Our food consists of carbohydrates, proteins, fats, vitamins and minerals. 

2. Besides these, water and fibres are also present.

14.

Where do you write salt and sugar? Why?

Answer»

1. Salt and sugar are written separately. 

2. These two components are not present in all the food items as common.

15.

Are there any food items with similar components?

Answer»

Many ready made food items packed will have similar components.

16.

Suppose you do not get food for lunch how do you feel?

Answer»

1. If I do not get food for lunch, I shall be very much tired and exhausted with lack of supply of energy at the end of the day. 

2. I shall feel very weak. The hunger will be in an alarming condition. 

3. I shall be ready to eat anything that is available.

17.

Do we need energy while sleeping?

Answer»

1. While we are sleeping, we breathe. 

2. The circulation of blood in our body goes on. 

3. So we need energy while we are sleeping.

18.

Why should we eat food?

Answer»

We should eat food because food supplies the energy we need to do many tasks in our day to day activities.

19.

The founder of modern science of nutrition was A) Franklin B) Lind C) Lavoisier D) Jenner

Answer»

Correct option is C) Lavoisier

20.

In the Proteins test we use A) 2% Copper sulphate B) 10% Sodium Hydroxide C) 2% Copper oxide D) Both A and B

Answer»

Correct option is D) Both A and B

21.

‘Scurvy’ was discovered by A) Lind B) Lavoisier C) Jenner D) J.C. Bose

Answer»

Correct option is A) Lind

22.

Dilute Iodine appears in ……….. colour. A) Light yellow B) Blue C) Pink D) Green

Answer»

Correct option is A) Light yellow

23.

This prevents constipation A) Water B) Dietary fibres C) Fats D) Proteins

Answer»

Correct option is B) Dietary fibres

24.

Presence of starch is tested by usingA) Iodine B) Calcium C) Iron D) Sodium

Answer»

Correct option is A) Iodine

25.

Which of the following is a good food item? A) Milk B) Rice C) Potato D) Apple

Answer»

Correct option is A) Milk

26.

We need energy while sleeping to maintain A) Breathe B) Blood circulation C) Heart beat D) All the above

Answer»

Correct option is D) All the above

27.

The aim of the given experiment isA) Need of water ih the body. B) How the cotton moves? C) How to close the glass pipe? D) Filling the glass tube with cotton.

Answer»

A) Need of water ih the body.

28.

What type of food is required to keep us healthy?

Answer»

1. Generally every food item contains all the components of food. 

2. But some components may be more while some may be less. 

3. We require different quantities of carbohydrates, proteins and fats according to age and need of individuals. 

4. Growing children and adolescents need more protein-containing food like milk, meat, pulses etc. 

5. We also need minute quantities of some other components called vitamins and minerals to keep us healthy.

29.

It is good to wash the fruits in A) WaterB) Salt water C) Hot water D) Cool water

Answer»

Correct option is B) Salt water

30.

Observe whether your mother cooks on a low or high flame. Discuss with your mother and find out the reason.

Answer»

1. My mother cooks on a low flame. 

2. The reason is the nutritional values of the food will be dried up if cooked on a high flame. 

3. Micro-nutrients also disappear. So cooking is done of low flame only.

31.

Mention some food items which keep you healthy.

Answer»

Dry fruits like dates, plums, raisins, cashew nuts, pistachios, etc., also keep us healthy.

32.

Which food item contain more fat?

Answer»

Buffalo’s milk contains more fat (6.5 gm / 100 gm)

33.

Which food items contain more protein?

Answer»

a) Rice contains proteins of 6.8 gm / 100 gm 

b) Potato contains proteins of 1.6 gm / 100 gm. 

c) Milk contains proteins of 4.3 gm / 100 gm 

d) Curd contains proteins of 3.1 gm / 100 gm. 

e) Egg contains proteins of 13.3 gm / 100 gm. So egg and milk contain more proteins compared to other food items.

34.

Make a list of food items that contain all components of food.

Answer»

1. If we can eat dal, rice, rotis, green vegetables, little oil and jaggery all the food requirements of the body are fulfilled. 

2. The above foods should be cooked in a proper way.

35.

Kiran wants to know about nutrients in the milk. He added 2 drops of Copper Sulphate solution and 10 drops of Sodium Hydroxide solution to the Milk. What colour he may have observed in it? Which nutrient does he find in the milk?

Answer»

1. Take 10 drops of milk in a clean test tube. 

2. Add 2 drops of Copper Sulphate solution and 10 drops of Sodium Hydroxide solution to the test tube and shake well. 

3. We observe the change of colour to violet or purple. 

4. The colour confirms presence of proteins in milk.

36.

How and why the nutrients in the food are lost?

Answer»

You know many nutrients are lost by over cooking, re-heating many times, washing the vegetables after cutting them into small pieces.

37.

This help the food to move easily in the digestive tract. A) Milk B) Curd C) Oils D) Water

Answer»

Correct option is D) Water

38.

Which of the following is the richest source of roughages? A) Milk B) Fish C) Curd D) Leafy vegetables

Answer»

Correct option is D) Leafy vegetables

39.

Write which foods are to be eaten moderately, adequately, plenty and sparingly.

Answer»

1. Foods like cereals, pulses, milk etc. should be taken adequately. 

2. Fruits, leafy vegetables and other vegetables should be used in plenty. 

3. Cooking oils and animal foods should be used moderately.

4. Vanaspathi, Ghee, Butter, Cheese must be used sparingly.

40.

Which of the following avoids constipation? A) Proteins B) Fibers C) CarbohydratesD) Salts

Answer»

Correct option is B) Fibers

B) Fibers is the correct answer 
41.

Identify the food component that helps in free bowel movement in the digestive tract. A) Fat B) Roughage C) Vitamins D) Minerals

Answer»

Correct option is B) Roughage

42.

Identify the food component that should be consumed sparingly.A) CerealsB) PulsesC) GheeD) Oil

Answer»

Correct option is C) Ghee

43.

One man suffering from constipation, which component is less in his food? A) Carbohydrates B) Proteins C) Fats D) Roughages

Answer»

Correct option is D) Roughages

44.

We are suffering from various gastro intestinal diseases. What precautions do you take to avoid these diseases?

Answer»

1. We should take healthy nutritious diet. 

2. We should consume high fibre content food like leafy vegetables. They have roughages. They are very helpful in preventing constipation. 

3. Avoid junk foods completely. 

4. We should cultivate healthy food habits.

45.

Carbohydrates are rich in A) Rice B) Wheat C) Potatoes D) All the above

Answer»

Correct option is C) Potatoes

46.

These are a kind of carbohydrates that our body fails to digest. A) Rice B) Wheat C) Beverages D) Roughages

Answer»

Correct option is D) Roughages

47.

Match the following :Group- AGroup- B1) Fibresa) energy giving2) Proteinsb) avoid constipation3) Carbohydratesc) body building Choose the right one.A) 1 – a, 2 – b, 3 – c B) 1 – b, 2 – c, 3 – a C) 1 – c, 2, a, 3 – b D) 1 – b, 2 – a, 3 – c

Answer»

B) 1 – b, 2 – c, 3 – a

48.

Good water sources of fruit is A) AppleB) Guava C) Water melon D) Banana

Answer»

Correct option is C) Water melon

49.

Junk food causes damages to our ……….. system. A) Respiratory B) Digestive C) Nervous D) All the above

Answer»

Correct option is B) Digestive

50.

Oil, ghee, butter are sources of A) Carbohydrates B) Proteins C) Fats D) Minerals

Answer»

Correct option is C) Fats