NCERT Class VI Science Solutions: Chapter 2 – Components of Food Part 4

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Long Answer Questions

Question 18:

Boojho was having difficulty in seeing things in dim light. The doctor tested his eyesight and prescribed a particular vitamin supplement. He also advised him to include a few food items in his diet.

  1. Which deficiency disease is he suffering from?

  2. Which food component may be lacking in his diet?

  3. Suggest some food items that he should include in his diet. (any four)

Answer:

  1. Night blindness

  2. Vitamin A

  3. Carrot, papaya, mango, milk and fish oil or any other (any four)

Image of Night blindness

Image of Night Blindness

Image of Night blindness

Question 19:

Solve the cross-word puzzle given as Fig, from the clues given below.

Images for solve the cross-word puzzle (Q)

Solve the Cross-Word Puzzle (Q)

Images for solve the cross-word puzzle (Q)

Across:

  1. Lack of nutrients in our diet over a long period causes these diseases (10)

  2. Rice and potato are rich in this type of carbohydrate (6)

  3. Deficiency disease in bones making it become soft and bent (7)

  4. The diet that provides all the nutrients that our body needs, in right quantities, along with adequate amount of roughage and water (12)

  5. Deficiency disease with bleeding gums (6)

  6. Disease caused due to deficiency of iodine (6)

Down:

  1. Starch and sugar in our food are rich in this type of energy giving nutrient (13)

  2. The term given to the useful components of food (9)

  3. The disease caused by deficiency of iron in diet (7)

  4. Green leafy vegetables, liver and apples are rich in this mineral (4)

  5. Deficiency disease caused due to lack of Vitamin in the diet (8)

Answer:

Images for solve the cross-word puzzle (A)

Solve the Cross-Word Puzzle (A)

Images for solve the cross-word puzzle (A)

Across:

  1. Lack of nutrients in our diet over a long period causes these diseases - Deficiency

  2. Rice and potato are rich in this type of carbohydrate - Starch

  3. Deficiency disease in bones making it become soft and bent - Rickets

  4. The diet that provides all the nutrients that our body needs, in right quantities, along with adequate amount of roughage and water – Balanced diet

  5. Deficiency disease with bleeding gums - Scurvy

  6. Disease caused due to deficiency of iodine - Goiter

Down:

  1. Starch and sugar in our food are rich in this type of energy giving nutrient - Carbohydrates

  2. The term given to the useful components of food - Nutrients

  3. The disease caused by deficiency of iron in diet - Anaemia

  4. Green leafy vegetables, liver and apples are rich in this mineral - Iron

  5. Deficiency disease caused due to lack of Vitamin in the diet – Beri - Beri