NCERT Based General Studies (GS): Questions 3047 - 3053 of 3665

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Question number: 3047

» Science » Class-7 NCERT » Weather, Climate and Adaptations of Animals to Climate (Climate and Adaptation)

MCQ▾

Question

How birds in polar region protect themselves from extreme cold in their habitat?

Choices

Choice (4) Response

a.

With their feathers & By migration

b.

With their feathers

c.

By migration

d.

None of the above

Question number: 3048

» Science » Class-7 NCERT » Physical and Chemical Changes (Rusting of Iron)

MCQ▾

Question

Alloying is defined as:

Choices

Choice (4) Response

a.

Corrosion

b.

Transformation

c.

Way to prevent rusting

d.

All of the above

Question number: 3049

» Science » Class-7 NCERT » Physical and Chemical Changes (Rusting of Iron)

MCQ▾

Question

The process of formation of rust is called as:

Choices

Choice (4) Response

a.

Rusting

b.

Crystallization

c.

Rust

d.

None of the above

Question number: 3050

» Science » Class-7 NCERT » Fibre to Fabric (Fibre)

MCQ▾

Question

Fibre is defined as:

Choices

Choice (4) Response

a.

Yarns

b.

Clothing materials

c.

Strand of a substance

d.

None of the above

Question number: 3051

» Science » Class-7 NCERT » Fibre to Fabric (Animal Fibres)

MCQ▾

Question

Hairy skin of the sheep has two types of fibres:

Choices

Choice (4) Response

a.

Lambs and Merino

b.

Crossbred and fine soft

c.

Coarse and wiry

d.

Coarse and fine soft

Question number: 3052

» Science » Class-7 NCERT » Heat (Hot and Cold)

MCQ▾

Question

Examples of hot objects are:

Choices

Choice (4) Response

a.

Boiling water

b.

Sun

c.

Boiling milk

d.

All a. , b. and c. are correct

Question number: 3053

» Science » Class-7 NCERT » Heat (Measuring Temperature)

MCQ▾

Question

Precautions taken while reading the clinical thermometer are:

Choices

Choice (4) Response

a.

The temperature should always be stated with its unit 0C

b.

Reading is noted by placing the thermometer along the line of sight horizontally

c.

Ensure that before use the mercury level is below 350 C

d.

All a. , b. and c. are correct

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