General Science 7th Class Chapter 11 Technology in Everyday Life Solved Exercise

General Science

7th Class

Chapter 11

Technology in Everyday Life

Questions

11.1 Encircle the correct option.

1. Conservation of water means

a.  a using water        b. save water        c. avoiding water        d. wasting water

2. While preparing pickles, which is not used as preserving agent:

a. honey        b. salt        c. vinegar        d. pepper

3. Which is not used in making mango pickle?

a. mango slices        b. honey        c. table salt        d. turmeric powder

4. Which is not used in the preparation of lemon prickle?

a. lemon        b. sugar        c. acetic acid        d. tea leaves

5. Which is not used in the preparation of orange juice?

a. garlic        b. orange        c. sugar        d. water

11.2 Write short answers.

1. What type of irrigation is more beneficial either drip or sprinkler?

Ans.

  Drip irrigation is more beneficial than other types.

2. List the ingredients required for preparation of mango pickle.

Ans.

Unripened mangoes, pickle jar, salt vinegar (preservative agent) mustard seeds etc.

3. What are the ingredients required for preparation of onion pickle.

Ans.

2 cinnamon sticks, 6 whole cloves, pinch crushed red pepper flakes. Freshly squeezed lime juice.

4. Name the ingredients required for preparation of lemon pickle.

Ans.

Lemon cut into circular slices, 1/2 kg sugar 1/2 cup, Acetic acid 1 cup.

5. State the ingredients required for preparation of orange juice.

Ans.

Orange slice, salt, juicer blender, knife, strainer, bowl.