Components of Food Class 6 Worksheet Science Chapter 1

Q1. Fill in the Blanks

(i) ______ and ______ mainly provide energy to our body.
Ans: Carbohydrates, fats

  View Answer

(ii) A ______ can prevent deficiency disease.
Ans: Balanced diet

  View Answer

Balanced Diet

(iii) Too much fat in the diet may lead to ______.
Ans: Obesity

  View Answer

(iv) Cooking in too much water destroys ______ in food.
Ans: Nutrients

  View Answer

(v) ______ gets easily destroyed by heat during cooking.
Ans: Vitamin C

  View Answer

(vi) Deficiency of Vitamin D causes ______.
Ans: Rickets

  View Answer

Rickets

(vii) Deficiency of Vitamin C causes ______.
Ans: Scurvy

  View Answer

(viii) ______ makes up about 70% of our body weight.
Ans: Water

  View Answer

Water is essential for body

(ix) ______ is mainly responsible for the transportation of nutrients in our body.
Ans:  Water

  View Answer

(x) ______ is essential for the production of hemoglobin in the blood.
Ans: Iron

  View Answer

Q2. State True or False

(i) Milk does not provide dietary fiber.
Ans: True

  View Answer

(ii) Fats provide less energy as compared to the same amount of carbohydrates.
Ans: False

  View Answer

(iii) Lack of nutrients in our diet over a long period causes deficiency diseases.
Ans: True

  View Answer

Deficiency Diseases

(iv) Rice and potatoes are rich in protein.
Ans: False

  View Answer

(v) Peas, gram, soya beans, and cottage cheese are good sources of proteins.
Ans: True

  View Answer

Q3. Short Answer Questions

Q1: Name the deficiency disease that causes bleeding gums.
Ans: Scurvy

Bleeding Gums: Scurvy

Q2: Name the deficiency disease that is caused by the deficiency of iron in the diet.
Ans: Anemia

Q3: What is the vitamin that represents a group of other vitamins?
Ans: Vitamin B-complex

Q4: What is obesity?
Ans: Obesity is a condition where excessive fat accumulates in the body, leading to being overweight. It is caused by consuming more calories than the body needs.

Obesity

Q5: Why do we need carbohydrates in our diet?
Ans: Carbohydrates are needed in our diet because they are the primary source of energy for our body.

Q6: Why do children need more protein in their diet?
Ans: Children need more protein in their diet because proteins are essential for their growth and development.

Q7: Dia prepared ladyfingers that tasted yummy. She washed the ladyfingers after cutting them into small pieces, then fried them in excess oil with various spices to make them crunchy and flavorful. Was her method of cooking correct?
Ans: 

• No, Dia's method of cooking the ladyfingers wasn't ideal. Washing ladyfingers after cutting can make them slimy due to the release of their sticky sap, making them harder to cook properly. 
• To avoid this, it's best to wash the ladyfingers first, dry them thoroughly, and then cut them into pieces. 
• Additionally, using excessive oil is unnecessary and can make the dish heavy. 
• Instead, frying them with a moderate amount of oil and spices would make them crunchy and flavorful without being too oily.

Q8: What is night blindness? Write its symptoms.
Ans: Night blindness is a condition where a person finds it difficult to see in low light conditions or complete darkness. Symptoms include poor vision at night or in dim light.

Q9: A child has stunted growth, swelling on the face, discoloration of hair, and skin disease. He was advised to eat a protein-rich diet. Name the disease the child is suffering from.
Ans: The child is suffering from Kwashiorkor, a protein deficiency disease.

Q10: How can we test the presence of fat in food items?
Ans: We can test the presence of fat in food items by rubbing the food on a piece of paper. If the paper develops an oily patch, the food contains fat.

Q11: How are diseases caused?
Ans: Diseases can be caused by a lack of nutrients, infections, or unhealthy lifestyle choices.

Q12: Write the steps to test the presence of protein in a food item.
Ans: Steps to test for protein:

• Grind or mash the food item.
• Put it in a test tube and add 10 drops of water.
• Add two drops of copper sulfate solution.
• Add ten drops of caustic soda solution.
• Shake well and observe if the solution turns violet, indicating the presence of protein.

Q13: What is a balanced diet? Is it the same for everyone?

Ans: A balanced diet includes all the nutrients in the right amounts, along with adequate roughage and water. It is not the same for everyone as nutritional needs vary based on age, gender, and activity level.

Q14: How can we cure anemia?

Ans: Anemia can often be treated effectively depending on the underlying cause. By increasing the intake of iron-rich foods like leafy greens, meat, and fortified cereals, and in some cases, taking iron supplements.

Q15: On adding 2-3 drops of dilute iodine solution to a food item, it turns blue-black. What does it indicate?

Ans: It indicates the presence of starch in the food item.

Q16: Why is sunlight important for our health?

Ans: Sunlight is important because it helps our body produce Vitamin D, which is essential for healthy bones and teeth.

Sunlight gives us Vitamin D

Q17: "Vitamins and minerals are essential in very small quantities for our body compared to other components, but they remain an important part of a balanced diet." Explain the statement.

Ans: Vitamins and minerals are needed in very small quantities but are essential for the normal functioning of our body. This is because of the following reason:

• They are protective foods and help protect our bodies against diseases.
• They help in maintaining good health.
• They help in the normal growth of our body.

Q18. Name the food materials that contain fat.

Ans:  The food materials which contain fat are: 

• Ghee
• Butter
• Cheese
• Egg 
• Meat
• Milk

Food Products derived from Animals

Q4. Assertion and Reason Questions

  View Answer

Q2: Assertion (A): Obesity occurs when one takes more food than required.
Reason (R): The extra food gets stored as fat and the person becomes too fat.
(a) Both A and R are true and R is the correct explanation of A.
(b) Both A and R are true but R is not the correct explanation of A.
(c) A is true but R is false.
(d) A is false but R is true.
Ans: (a) Both A and R are true and R is the correct explanation of A.

  View Answer

Q3: Assertion (A): Deficiency of calcium causes rickets.
Reason (R): In our diet, milk and milk products are the major sources of calcium.
(a) Both A and R are true and R is the correct explanation of A.
(b) Both A and R are true but R is not the correct explanation of A.
(c) A is true but R is false.
(d) A is false but R is true.
Ans: (b) Both A and R are true but R is not the correct explanation of A

  View Answer

Q4: Assertion (A): Vitamins are required in small quantities for maintaining good health.
Reason (R): Vitamins help protect our body against diseases and keep our bones, teeth, and gums healthy.
(a) Both A and R are true and R is the correct explanation of A.
(b) Both A and R are true but R is not the correct explanation of A.
(c) A is true but R is false.
(d) A is false but R is true.
Ans: (a) Both A and R are true and R is the correct explanation of A.

  View Answer

Q5. Multiple Choice Questions (MCQs)

Q1: Which of the following nutrients mainly provides energy to our body?
(a) Proteins
(b) Carbohydrates
(c) Vitamins
(d) Minerals
Ans: (b) Carbohydrates

  View Answer

Sources of Carbohydrates

Q2: What test is used to check the presence of protein in a food item?
(a) Iodine solution test
(b) Copper sulfate and caustic soda test
(c) Paper test
(d) Lime water test
Ans: (b) Copper sulfate and caustic soda test

  View Answer

Q3: Which vitamin deficiency causes night blindness?
(a) Vitamin A
(b) Vitamin B
(c) Vitamin C
(d) Vitamin D
Ans: (a) Vitamin A

  View Answer

Q4: Which of the following foods is a good source of Vitamin C?
(a) Milk
(b) Liver
(c) Orange
(d) Rice
Ans: (c) Orange

  View Answer

Q5: What happens if excess water is used during cooking and then thrown away?
(a) It improves the taste of the food
(b) It helps in retaining vitamins
(c) It results in the loss of minerals and vitamins
(d) It increases the fat content
Ans: (c) It results in the loss of minerals and vitamins

  View Answer