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GSEB Solutions for Class 7 Science and Technology – Constitutes of Diet

GSEB Solutions for Class 7 Science and Technology – Constitutes of Diet (English Medium)

GSEB SolutionsMathsScience
Exercise 9:

Solution 1(a):

S.No. Name of the eatable substance Colour change due to iodine solution
1 Potato Blue-black
2 Corn Purple
3 Cooked rice Blue-black
4 Bread Blue
5 Cooked pasta Blue-black
6 Baking powder Blue

Exercise 11:

Solution 1(a):

Names of seeds which leave oil marks on paper after rubbing them on paper. Names of seeds which do not leave oil marks on paper after rubbing them on paper.
Groundnut seeds Green gram (moong) seeds
Castor seeds Sesame (Til) seeds
Fennel seeds
Rice

Exercise 12:

Solution 1(a):

Seeds show colour change (change to purple colour) Seeds do not show colour change(do not change into purple colour)
Field bean seeds Field bean seeds
Pea seeds Gram seeds
Pearl millet seeds Green gram
Maize seeds Wheat seeds
Jowar seeds
Seeds of lady finger

Exercise 13:

Solution 1(a):

Fruits Vegetables
Apple Cauliflower
Guava Cabbage
Grapes Turnip
Pomegranate Lady’s finger
Orange Bottle gourd
Pear Carrot
Banana Capsicum
Pineapple Spinach
Custard apple Brinjal
Jackfruit Radish

Exercise 16:

Solution 1(a):

  1. Water helps in maintaining the balance of body fluids.
  2. Water helps control our body diet.
  3. It also helps in proper digestion.
  4. Water helps skin look good.
  5. Water helps maintain normal bowel function.

Solution 1(b):

  1. Dehydration occurs without proper intake of water.
  2. Without water, proper digestion cannot take place.
  3. There will not be proper metabolism of the body without water.

Solution 1(c):

Breakfast Lunch Dinner
Slice of bread Rice Chapati/Roti/Rice
Fruits Dal Vegetable curry
Boiled egg Vegetable curry/ Fish/ Meat curry Milk
Milk Salads (Cucumber, Tomatoes, Carrot)

Exercise 17:

Solution 1(a):

Yes, the above mentioned food items consist of a balanced diet. A balanced diet contains all the classes of food in adequate proportions which supply the required energy for the body and maintain proper growth and functioning of the body.
The food included contains carbohydrates, fats, minerals and vitamins.

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