CBSE Class 6 Science Components Of Food Worksheet Set 07

Answer the following question:

Q1. Which nutrients provide energy to the body?
Answer : Carbohydrates are nutrients which provide energy to the body.

Q2. What are protective foods?
Answer : Food rich in vitamins and minerals are known as protective food.

Q3. How are the proteins important for the body?
Answer : Proteins are important for the body in following way-
1. Our body needs proteins to make new cells.
2. Our body needs proteins to replace old and damaged cells.

Q4. Mention two cooking methods that destroy nutrients in food.
Answer : The two cooking methods that destroy nutrients in food are- Cooking in too much water and vitamin C destroyed during cooking due to heat.

Q5. Name the two kinds of carbohydrates. Which of these provides us quick energy?
Answer : The two kinds of carbohydrates are Sugars and Starch. Sugars are used to provide energy immediately.

Q6. Which nutrients are needed by our body in small quantities only?
Answer : Fats are needed by our body in small quantities only.

Q7. What are the symptoms of marasmus?
Answer : The symptoms of maramus are child becomes so thin that loose folds of skin be seen all over the body.

Q8. The incidence of goitre among the people living in the Himalayan region was quite high. Why?
Answer : As the iodine content of soil and water is low in these areas. However, consumption of iodized salt has helped to reduce the incidence of goitre.

I. CHOOSE THE CORRECT ANSWER.

Question 1. The vitamin which keep our eyes and skin healthy is :
(a) vit D
(b) vit C
(c) vit A
(d) none of the options
Answer: (c) vit A
Vitamin A maintains healthy eyesight and keeps the skin tissues healthy and glowing.
In simple words: Vitamin A is essential for good vision and healthy skin.

Exam Tip: Remember that night blindness is caused by a deficiency of Vitamin A.

Question 2. The vitamin that is produced in our body in the presence of sunlight :
(a) vit A
(b) vit B1
(c) vit C
(d) vit D
Answer: (d) vit D
Our body synthesizes Vitamin D when the skin is exposed to sunlight.
In simple words: Sunlight helps our body make Vitamin D.

Exam Tip: Vitamin D is also known as the sunshine vitamin.

Question 3. The vitamin which help our body to fight against many diseases :
(a) vit C
(b) vit B1
(c) vit C
(d) vit D
Answer: (a) vit C
Vitamin C helps build immunity and protects the body against various infections and diseases.
In simple words: Vitamin C boosts your immune system to fight illness.

Exam Tip: Citrus fruits like oranges and lemons are rich sources of Vitamin C.

Question 4. The vitamin which is easily destroyed by heat during cooking :
(a) vit A
(b) vit B1
(c) vit C
(d) vit D
Answer: (c) vit C
Vitamin C is heat-sensitive and easily gets destroyed during the cooking or heating process.
In simple words: Cooking destroys Vitamin C easily.

Exam Tip: Raw fruits and salads are great sources of Vitamin C because they are not cooked.

Question 5. Anaemia occurs due to the deficiency of :
(a) calcium
(b) iron
(c) phosphorous
(d) iodine
Answer: (b) iron
Iron is required to make hemoglobin in the blood; its deficiency leads to anaemia.
In simple words: Lack of iron in the body causes anaemia.

Exam Tip: Green leafy vegetables like spinach are rich in iron.

Question 6. The mineral available in sea food is :
(a) calcium
(b) iron
(c) phosphorous
(d) iodine
Answer: (d) iodine
Sea food contains a rich amount of iodine, which is essential for thyroid function.
In simple words: Seafood gives us iodine.

Exam Tip: Deficiency of iodine leads to goitre.

II. FILL IN THE BLANKS

Question 1. The essential components of food which are necessary for our body are called __________.
Answer: nutrients
In simple words: Nutrients are the useful chemical substances in food.

Exam Tip: The main nutrients are carbohydrates, fats, proteins, vitamins, and minerals.

Question 2. The turning of food item into blue-black colour on adding iodine solution indicates the presence of __________.
Answer: starch
In simple words: Blue-black colour confirms starch is present.

Exam Tip: This is the standard test for carbohydrates in the form of starch.

Question 3. Oily patch on the paper indicates the presence of __________ in the food.
Answer: fat
In simple words: Oily spots show fats are present.

Question 4. Food items which contain __________ and __________ are called energy giving food.
Answer: carbohydrates; fats
In simple words: Carbs and fats give us energy.

Exam Tip: Fats give much more energy compared to the same amount of carbohydrates.

Question 5. Food items which contain proteins are called __________ food.
Answer: body building
In simple words: Proteins help build our body.

Exam Tip: Growing children need more proteins for growth and repair.

Question 6. Food items which contain __________ and __________ are called protective food.
Answer: vitamins; minerals
In simple words: Vitamins and minerals protect us from diseases.

Exam Tip: Protective foods keep our immune system strong.

Question 7. Pulses are rich source of __________.
Answer: proteins
In simple words: Pulses provide plant proteins.

Exam Tip: Dal, beans, and grams are rich sources of pulses and proteins.

Question 8. Roughage is mainly provided by __________ products in our food.
Answer: plant
In simple words: Plant materials provide dietary fiber.

Exam Tip: Roughage helps in easy bowel movement and prevents constipation.

Question 9. Water helps our body to absorb __________ from food.
Answer: nutrients
In simple words: Water helps dissolve and absorb food nutrients.

Exam Tip: Water also helps in removing wastes from the body as urine and sweat.

Question 10. All deficiency diseases can be prevented by taking a __________.
Answer: balanced diet
In simple words: Eating all nutrients in correct amounts prevents deficiency diseases.

Question 11. Goitre is caused due to the deficiency of __________.
Answer: iodine
In simple words: Lack of iodine causes swelling of neck glands (goitre).

Exam Tip: Use iodized salt to prevent goitre.

Question 12. Bones become soft and bent in __________ disease.
Answer: rickets
In simple words: Rickets weakens bones due to Vitamin D deficiency.

Exam Tip: Rickets is caused by deficiency of Vitamin D and calcium.

Question 13. Scurvy is caused due to the deficiency of __________.
Answer: vitamin C
In simple words: Bleeding gums are a sign of scurvy caused by lack of Vitamin C.

Exam Tip: Citrus fruits prevent scurvy.

Question 14. If the diet is deficient in both __________ and __________ for a long time, the growth may stop completely..
Answer: carbohydrates; proteins
In simple words: Lack of energy and body-building foods stops body growth.

Question 15. Diseases occur due to lack of nutrients are called __________.
Answer: deficiency diseases
In simple words: Diseases caused by lacking nutrients over a long time are deficiency diseases.

Exam Tip: Deficiency diseases are non-communicable.

Question 16. Vitamin C get easily destroyed during __________.
Answer: cooking
In simple words: Heat destroys Vitamin C during cooking.

Exam Tip: Eat fresh raw vegetables and fruits to retain Vitamin C.

Question 17. The skins of vegetables and fruits contain __________ and __________.
Answer: vitamins; minerals (or roughage)
In simple words: Peels of fruits and vegetables are rich in essential nutrients and fiber.

Exam Tip: Washing fruits before peeling is important to remove pesticides.

Question 18. Eating too much of __________ rich food causes obesity.
Answer: fat
In simple words: Too much fat makes a person obese.

Question 19. The chemical substances used for testing the presence of proteins are __________ and __________.
Answer: copper sulphate; caustic soda
In simple words: Copper sulphate and caustic soda solutions test for proteins.

Exam Tip: A violet/purple colour indicates the presence of proteins.

Question 20. Many useful __________ and __________ are lost if excess water is used during cooking and then thrown away..
Answer: vitamins; minerals
In simple words: Throwing away cooking water wastes vital vitamins and minerals.

Exam Tip: Always use optimum water while cooking food.

III. NAME THE FOLLOWING

Question 1. Two Energy giving food
Answer: Wheat and Potato (or Rice, Sugar)
In simple words: Foods rich in carbohydrates or fats give us energy.

Exam Tip: Carbohydrates are our main source of energy.

Question 2. Two Body building food
Answer: Milk and Paneer (or Pulses, Eggs, Meat)
In simple words: Protein-rich foods help build muscles and tissues.

Exam Tip: Milk is considered a complete food because it contains multiple nutrients.

Question 3. Night blindness is caused due to the deficiency of.
Answer: Vitamin A
In simple words: Lack of Vitamin A causes difficulty in seeing in dim light.

Exam Tip: Include carrots, papaya, and mangoes to prevent night blindness.

Question 4. Some sources of dietary fibres.
Answer: Whole grains, pulses, fresh fruits, and vegetables
In simple words: Plant foods provide dietary fibre (roughage).

Question 5. The condition which arise by taking too much of fat rich food.
Answer: Obesity
In simple words: Eating excess fats leads to obesity.

Exam Tip: Obesity can cause heart problems and diabetes.

Question 6. Two foods rich in carbohydrates.
Answer: Rice and Maize (or Potato, Wheat)
In simple words: Cereals and potatoes contain high amounts of carbohydrates.

Exam Tip: Starch and sugar are the main carbohydrates in our food.

Question 7. The mineral that is required for keeping our bones healthy.
Answer: Calcium (and Phosphorus)
In simple words: Calcium makes bones and teeth strong.

Exam Tip: Milk and green leafy vegetables are great sources of calcium.

Question 8. An essential component of food which does not provide any nutrient to our body.
Answer: Dietary fibres (Roughage) and Water
In simple words: Roughage and water do not provide nutrients but are vital for the body.

Question 1. Match the items given in Column A with Column B:
1. Fat rich food - Obesity
2. Vitamin B1 - Beri beri
3. Proteins - Body building food
4. All nutrients in right quantity - Balanced diet
5. Table salt - Iodine
6. Potato - Carbohydrates
Answer:
1. Fat rich food → Obesity
2. Vitamin B1 → Beri beri
3. Proteins → Body building food
4. All nutrients in right quantity → Balanced diet
5. Table salt → Iodine
6. Potato → Carbohydrates
In simple words: Correctly pairing each nutrient and term with its corresponding description or disease.

Exam Tip: Double check your matching lines or write corresponding numbers clearly in the exam.

V. STATE TRUE OR FALSE. IF FALSE CORRECT THE STATEMENT

Question 1. Deficiency of Vit B1 causes Night Blindness.
Answer: False.
Correct statement: Deficiency of Vitamin B1 causes Beri-beri (or Deficiency of Vitamin A causes Night Blindness).
In simple words: Vitamin B1 deficiency causes Beri-beri, not night blindness.

Exam Tip: Always learn deficiency diseases alongside their specific vitamins.

Question 2. Obesity is caused due to eating protein rich food.
Answer: False.
Correct statement: Obesity is caused due to eating fat-rich food.
In simple words: Too much fat causes obesity, not proteins.

Exam Tip: Proteins are body-building foods, while fats are energy-storing foods.

Question 3. Goitre is caused due to deficiency of iron.
Answer: False.
Correct statement: Goitre is caused due to deficiency of iodine (or Anaemia is caused due to deficiency of iron).
In simple words: Iodine deficiency causes goitre, while iron deficiency causes anaemia.

Exam Tip: Match minerals to their exact deficiency disorders.

Question 4. Carbohydrates and fats are called body building food.
Answer: False.
Correct statement: Carbohydrates and fats are called energy giving food (or Proteins are called body building food).
In simple words: Carbs and fats give energy, whereas proteins build the body.

Question 5. By eating rice alone, we can fulfill nutritional requirement of our body.
Answer: False.
Correct statement: By eating rice alone, we cannot fulfill all nutritional requirements of our body because rice is mainly rich in carbohydrates only.
In simple words: We need a balanced diet with all nutrients, not just rice.

Exam Tip: A single food item cannot provide all essential nutrients.