6th Std Science 7 Nutrition and Diet l Question and Answer l Explanation in Marathi

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Science Studies -  6th Standard

7. Nutrition and Diet

Question And Answer

1. Fill in the blanks.

(a) The process of intake of food and utilising it for all life processes is called nutrition.

(b) All the substances in our food which are useful for various bodily processes are called nutrients.

(c) Carbohydrates and fats provide energy to our body. 

(d) In a balanced diet, all the nutrients are present in the adequate proportion.

(e) In the food pyramid, cereals are given the maximum space because they fulfil our nutritional requirement.

(f) Intake of more food than necessary causes overnutrition.

2. Spot the following in the table of vitamins and minerals.

(a) The nutrient present in citrous fruits.

Ans: Vitamin C

(b) Vitamins / minerals present in milk.

Ans: Minerals like calcium and phosphorus and vitamins A, B and D

(c) Causes and symptoms of night blindness, scurvy, rickets,

beriberi.

Ans: 1) Night blindness-

Causes- deficiency of vitamin A

Symptoms- inability to see in dim light

2) Scurvy-

Causes- deficiency of Vitamin C

Symptoms- bleeding gums

3) Rickets-

Causes- deficiency of vitamin D

Symptoms- Softening of bones, causing pain and fractures

4) Beriberi-

Causes- deficiency of vitamin B1

Symptoms- improper functioning of nerves and heart

(d) Foods required to prevent the above diseases.

Ans: 1) Night blindness: Carrot, milk, butter, dark green vegetables, sweet potatoes, deep yellow fruits and vegetables.

2) Scurvy: Amla, kiwi, oranges. And other citrus fruits, cabbage, tomatoes, green leafy vegetables.

3) Rickets: On exposure to sunlight vitamin D is made in the human body from some substances in milk, fish, eggs ad butter.

4) Beriberi: Milk, fish, meat, cereals, nuts, pulses

(e) Causes of anaemia.

Ans: Anaemia is caused by deficiency of iron and vitamin B12 in the body.

(f) Essential mineral for healthy bones and teeth.

Ans: Calcium and phosphorous

(g) Sensory organ affected due to deficiency of Vitamin A.

Ans: Eyes

3. Choose the correct alternative.

(a) Pulses are a very good source of proteins.

(1) carbohydrates (2) proteins

(3) fats (4) minerals

(b) Cereals provide maximum energy to the body.

(1) Cereals (2) Leafy vegetables

(3) Water (4) Amla

(c) Goitre is caused by a deficiency of the mineral iodine.

(1) iron (2) calcium

(3) iodine (4) potassium

(d) Chocolate is a type of junk food.

(1) Orange (2) Milk

(3) Bhakri (4) Chocolate

4. Use the food pyramid to select food items of your choice

for three days. Conditions :

(1) The diet for all three days should be balanced.

(2) There should be variety in the items chosen for the three days.

Ans:

Day 1- Cereal like cornflakes and milk, apple, roti, sabzi and dal

Day 2- Bread and butter with milk, rice/ roti, curd, any one type of fruit, salad

Day 3- Poha, green vegetable and dal, rice, roti, one fruit, vegetable sandwich.

Thank You..

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