Basic Science Solutions for Class 6 Science Chapter 2 Food are provided here with simple step-by-step explanations. These solutions for Food are extremely popular among Class 6 students for Science Food Solutions come handy for quickly completing your homework and preparing for exams. All questions and answers from the Basic Science Book of Class 6 Science Chapter 2 are provided here for you for free. You will also love the ad-free experience on Meritnation’s Basic Science Solutions. All Basic Science Solutions for class Class 6 Science are prepared by experts and are 100% accurate.

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Question A.1:

Answer:

An organism needs food so that it can derive energy from it, that is needed for the growth and maintenance of its body, and also to build resistance to diseases.

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Question A.2:

An organism needs food so that it can derive energy from it, that is needed for the growth and maintenance of its body, and also to build resistance to diseases.

Answer:

Fenugreek is an example of a plant, the seeds and leaves of which used in cooking.

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Question A.3:

Fenugreek is an example of a plant, the seeds and leaves of which used in cooking.

Answer:

Seeds Grains
All seeds are not grains All grains are seeds
Seeds include both monocots and dicots Grains include only monocots

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Question A.4:

Seeds Grains
All seeds are not grains All grains are seeds
Seeds include both monocots and dicots Grains include only monocots

Answer:

Those organisms that only eat parts of plants are called herbivores.
Examples: Cow, goat, horse, elephant and donkey.

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Question A.5:

Those organisms that only eat parts of plants are called herbivores.
Examples: Cow, goat, horse, elephant and donkey.

Answer:

Carnivores Omnivores
They eat only the flesh of other animals They eat both plants as well as animals
Examples: Lion, tiger, wolf Examples: Human being, bear, crow

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Question A.6:

Carnivores Omnivores
They eat only the flesh of other animals They eat both plants as well as animals
Examples: Lion, tiger, wolf Examples: Human being, bear, crow

Answer:

Carbohydrates consist of carbon, hydrogen and oxygen. Their main function is to provide energy to the body.

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Question A.7:

Carbohydrates consist of carbon, hydrogen and oxygen. Their main function is to provide energy to the body.

Answer:

Glucose breaks down very quickly and provides instant energy to the body, and is therefore given to sportsmen.

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Question A.8:

Glucose breaks down very quickly and provides instant energy to the body, and is therefore given to sportsmen.

Answer:

Proteins are required to build and repair body tissues. They help make new cells and renew the old ones.

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Question A.9:

Proteins are required to build and repair body tissues. They help make new cells and renew the old ones.

Answer:

Examples of plant sources of protein are: Pulses, corn, wheat and nuts.
Examples of animal sources of protein are: Milk, egg, meat and fish.

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Question A.10:

Examples of plant sources of protein are: Pulses, corn, wheat and nuts.
Examples of animal sources of protein are: Milk, egg, meat and fish.

Answer:

Fats are made of carbon, oxygen and hydrogen. They provide energy and prevent the loss of heat from the body.

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Question A.11:

Fats are made of carbon, oxygen and hydrogen. They provide energy and prevent the loss of heat from the body.

Answer:

We cook food to make it digestible and improve its taste. Cooking also kills the germs that may be present in food.

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Question B.1:

We cook food to make it digestible and improve its taste. Cooking also kills the germs that may be present in food.

Answer:

A diet which includes all the nutrients that are required by the body, and in the right proportion is called a balanced diet.
A balanced diet should contain all the essential nutrients such as fats, carbohydrates, proteins, vitamins and minerals.

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Question B.2:

A diet which includes all the nutrients that are required by the body, and in the right proportion is called a balanced diet.
A balanced diet should contain all the essential nutrients such as fats, carbohydrates, proteins, vitamins and minerals.

Answer:

It is very important to include roughage in our diet, as it helps in preventing constipation. It remains undigested, and by absorbing water it tends to swell up in the intestine. It then mixes with the faeces, and makes it soft. This helps in the smooth disposal of waste through the rectum.

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Question B.3:

It is very important to include roughage in our diet, as it helps in preventing constipation. It remains undigested, and by absorbing water it tends to swell up in the intestine. It then mixes with the faeces, and makes it soft. This helps in the smooth disposal of waste through the rectum.

Answer:

Diseases such as rickets, that are caused due to deficiency of essential nutrients, are called deficiency diseases.
Children who do not get enough to eat suffer from malnutrition. These children are very thin and weak, and thus are quite susceptible to diseases.

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Question B.4:

Diseases such as rickets, that are caused due to deficiency of essential nutrients, are called deficiency diseases.
Children who do not get enough to eat suffer from malnutrition. These children are very thin and weak, and thus are quite susceptible to diseases.

Answer:

Vegetables grown in fields are directly transported to shopkeepers (wholesalers and retailers), as they do not need to be processed. We buy the vegetables from these shopkeepers.

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Question C.1:

Vegetables grown in fields are directly transported to shopkeepers (wholesalers and retailers), as they do not need to be processed. We buy the vegetables from these shopkeepers.

Answer:

Test for proteins in food:

  1. Take a test tube and put a small amount of food in it.
  2. Next, add a few drops of concentrated nitric acid to the food.
  3. Heat the test tube until the food turns yellow.
  4. Transfer the food to a beaker and add a few drops of ammonium hydroxide to the food. Now shake the beaker.
  5. If the food turn violet, it indicates the presence of proteins in the food.

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Question C.2:

Test for proteins in food:

  1. Take a test tube and put a small amount of food in it.
  2. Next, add a few drops of concentrated nitric acid to the food.
  3. Heat the test tube until the food turns yellow.
  4. Transfer the food to a beaker and add a few drops of ammonium hydroxide to the food. Now shake the beaker.
  5. If the food turn violet, it indicates the presence of proteins in the food.

Answer:

It is necessary to drink about 1.5 litres of water every day to balance the amount of water lost (which is about 23 litres) from the body each day due to excretion, sweating and breathing. The rest of the water required is obtained from food.
To show that vegetables contain water, take some vegetables and measure their weight. Bake these vegetables until most of the water evaporates. Now measure their weight again. The difference between the two indicates the presence of water.

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Question D:

It is necessary to drink about 1.5 litres of water every day to balance the amount of water lost (which is about 23 litres) from the body each day due to excretion, sweating and breathing. The rest of the water required is obtained from food.
To show that vegetables contain water, take some vegetables and measure their weight. Bake these vegetables until most of the water evaporates. Now measure their weight again. The difference between the two indicates the presence of water.

Answer:

S. No. Disease Deficiency of Vitamin
1 Scurvy Vitamin C
2 Night blindness Vitamin A
3 Rickets Vitamin D
4 Beriberi Vitamin B

Page No 23:

Question E:

S. No. Disease Deficiency of Vitamin
1 Scurvy Vitamin C
2 Night blindness Vitamin A
3 Rickets Vitamin D
4 Beriberi Vitamin B

Answer:

Vitamin Function   Source
Vitamin B12 a. Keeps eyes healthy. 1. Eggs
(f, 1, 2) b. Builds resistance to infections. 2. Milk
Vitamin C c. Helps to clot blood 3. Fish-liver oil
(b, d, 4, 6) d. Keeps gums healthy. 4. Citrus fruit
Vitamin D e. Keeps hair healthy 5. Spinach
(g, 2, 3) f. Helps to form blood. 6. Tomatoes
Vitamin A g. Keeps joints healthy.    
(a, e, 5)        



Page No 24:

Question F.1:

Vitamin Function   Source
Vitamin B12 a. Keeps eyes healthy. 1. Eggs
(f, 1, 2) b. Builds resistance to infections. 2. Milk
Vitamin C c. Helps to clot blood 3. Fish-liver oil
(b, d, 4, 6) d. Keeps gums healthy. 4. Citrus fruit
Vitamin D e. Keeps hair healthy 5. Spinach
(g, 2, 3) f. Helps to form blood. 6. Tomatoes
Vitamin A g. Keeps joints healthy.    
(a, e, 5)        

Answer:

(c) sugars

    Glucose and fructose are sugars.

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Question F.2:

(c) sugars

    Glucose and fructose are sugars.

Answer:

(a) carbohydrate

    Starch is a carbohydrate.

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Question F.3:

(a) carbohydrate

    Starch is a carbohydrate.

Answer:

(c) protective nutrients

      Vitamins and minerals are protective nutrients.

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Question F.4:

(c) protective nutrients

      Vitamins and minerals are protective nutrients.

Answer:

(c) Leaves

    Cabbage is the leaf section of the plant.

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Question F.5:

(c) Leaves

    Cabbage is the leaf section of the plant.

Answer:

(b) Honey

    Honey is obtained from bees through apiculture.

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Question F.6:

(b) Honey

    Honey is obtained from bees through apiculture.

Answer:

(d) Roti

      Roti is made using only plant sources.

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Question F.7:

(d) Roti

      Roti is made using only plant sources.

Answer:

(c) Rice, pulses, fruit, kheer

  A balanced diet should consist of rice or roti (that contain carbohydrates), pulses (that contain proteins), milk products (that contain fat and proteins) and fruits or vegetables (that contain vitamins, carbohydrates and minerals).

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Question G.1:

(c) Rice, pulses, fruit, kheer

  A balanced diet should consist of rice or roti (that contain carbohydrates), pulses (that contain proteins), milk products (that contain fat and proteins) and fruits or vegetables (that contain vitamins, carbohydrates and minerals).

Answer:

(d) Sugar

      Sugar is a type of carbohydrate that is quite rich in energy.

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Question G.2:

(d) Sugar

      Sugar is a type of carbohydrate that is quite rich in energy.

Answer:

(d) Goitre

    Goitre is caused by the deficiency of iodine, an essential mineral.

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Question G.3:

(d) Goitre

    Goitre is caused by the deficiency of iodine, an essential mineral.

Answer:

(a) Carrots

    Carrots are rich source of vitamin A, and are very good for the eyes.

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Question G.4:

(a) Carrots

    Carrots are rich source of vitamin A, and are very good for the eyes.

Answer:

(a) Calcium

      Calcium helps build strong and healthy teeth.

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Question H:

(a) Calcium

      Calcium helps build strong and healthy teeth.

Answer:

1. Hair, nail, skin and muscles are made of tissues.
2. Food contains certain chemical substances required by the body. They are called nutrients.
3. The practice of keeping bees is called apiculture.
4. The lack of iron in the body causes anaemia.
5. Goitre is caused by the deficiency of iodine.
6. An unhealthy fat person is called obese.



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