Science-Class-7 NCERT (NCERT Based General Studies (GS)): Questions 15 - 21 of 322

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Question number: 15

» Science » Class-7 NCERT » Nutrition in Plants (Photosynthesis - Food Making Process)

MCQ▾

Question

Plants can synthesis components of food other than carbohydrate are:

Choices

Choice (4) Response

a.

Vitamins

b.

Fats

c.

Protein

d.

Both b. and c. are correct

Question number: 16

» Science » Class-7 NCERT » Nutrition in Plants (Mode of Nutrition in Plants)

MCQ▾

Question

The mode of nutrition in which organisms make food for themselves from simple substances is called as:

Choices

Choice (4) Response

a.

Heterotrophs

b.

Autotrophic nutrition

c.

Question does not provide sufficient data or is vague

d.

None of the above

Question number: 17

» Science » Class-7 NCERT » Nutrition in Plants (Mode of Nutrition in Plants)

MCQ▾

Question

All components of food which are necessary for our body are called as:

Choices

Choice (4) Response

a.

Carbohydrates

b.

Nutrients

c.

Nutrition

d.

All of the above

Question number: 18

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

MCQ▾

Question

Grease wool is processed into its finished products by either:

Choices

Choice (4) Response

a.

Worsted system

b.

Woollen system

c.

Worsted & Woollen system

d.

Question does not provide sufficient data or is vague

Question number: 19

» 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: 20

» 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: 21

» 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

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