Science (NCERT Based General Studies (GS)): Questions 1068 - 1073 of 1207

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Question number: 1068

» Science » Class-7 NCERT » Forests: Our Lifeline (Forest Products)

MCQ▾

Question

Products of the forest are:

Choices

Choice (4) Response
a.

Medicines

b.

Essential Oils

c.

Timber, Rubber, Resin, Bamboo

d. All a. , b. and c. are correct

Question number: 1069

» Science » Class-7 NCERT » Forests: Our Lifeline (Forest and Its Features)

MCQ▾

Question

We have to conserve the forests:

Choices

Choice (4) Response
a.

Because deforestation changes climate

b.

Because they are key link to food

c.

Because deforestation reducing the habitat of many animals

d. All a. , b. and c. are correct

Question number: 1070

» Science » Class-7 NCERT » Forests: Our Lifeline (Forest and Its Features)

MCQ▾

Question

Deforestation means:

Choices

Choice (4) Response
a.

Clearing large area of forest lands and related ecosystems for non-forest use

b.

Regenerating the lost forest cover

c.

Cutting of trees to clear area for building houses and for doing farming

d. Both a. and c. are correct

Question number: 1071

» Science » Class-7 NCERT » Electric Current and Its Effects (Heating Effect of Electric Current)

MCQ▾

Question

Costly electric appliances are fitted with a:

Choices

Choice (4) Response
a.

Cartridge fuse

b.

Fuse wire in insulating holders

c. None of the above
d. All of the above

Question number: 1072

» Science » Class-7 NCERT » Forests: Our Lifeline (Forest Products)

MCQ▾

Question

Sandalwood oil is used in preparation of:

Choices

Choice (4) Response
a.

Room Fresheners

b.

Soaps

c.

Agarbattis

d. All a. , b. and c. are correct

Question number: 1073

» Science » Class-7 NCERT » Wastewater Story (Better House Keeping Practices )

MCQ▾

Question

Why cooking oil and fats should not be thrown down the drain?

Choices

Choice (4) Response
a.

Because they clog the soil

b.

Because they harden and block the pipes

c.

Decrease the effectiveness of soil in filtering the water

d. All a. , b. and c. are correct

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