Science-Class-7 NCERT (NCERT Based General Studies (GS)): Questions 42 - 48 of 322

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Question number: 42

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

MCQ▾

Question

Special thermometers for noting the maximum and minimum temperatures at a place are called as:

Choices

Choice (4) Response

a.

Maximum Thermometers

b.

Maximum and minimum thermometers

c.

Minimum thermometers

d.

All of the above

Question number: 43

» Science » Class-7 NCERT » Heat (Transfer of Heat)

MCQ▾

Question

Applications of conduction are:

Choices

Choice (4) Response

a.

Cooking utensils

AND

Woollen clothes

b.

Refrigerators

c.

Double layer blankets

d.

All a. , b. and c. are correct

Question number: 44

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

MCQ▾

Question

Sericulture is defined as:

Choices

Choice (4) Response

a.

The process of drawing the silk filaments from cocoon

b.

A type of fibre obtained from the angora goat

c.

The process of rearing silkworm from the production of silk

d.

Domestication of sheep for wool

Question number: 45

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

MCQ▾

Question

Ice-cream, Ice, juice, things placed in the refrigerator is:

Choices

Choice (4) Response

a.

Hot objects & Warm objects

b.

Cold objects

c.

Warm objects

d.

Hot objects

Question number: 46

» Science » Class-7 NCERT » Acids, Bases and Salts (Acids and Bases)

MCQ▾

Question

Substances, which are used to test whether a substance is acidic or basic, are called as:

Choices

Choice (4) Response

a.

Cation

b.

Indicators

c.

Anions

d.

Litmus

Question number: 47

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

MCQ▾

Question

The simplest way to prevent rusting is:

Choices

Choice (4) Response

a.

To apply coat of paint

b.

To apply a coat of grease

c.

Both a. and b. are correct

d.

Question does not provide sufficient data or is vague

Question number: 48

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

MCQ▾

Question

Chemical reaction involves the gain or loss of energy is called as:

Choices

Choice (4) Response

a.

Exothermic reaction

b.

Explosion

c.

Endothermic reaction

d.

Question does not provide sufficient data or is vague

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