CBSE (Central Board of Secondary Education- Board Exam) Class-7 Science: Questions 267 - 274 of 322

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Question number: 267

» Electric Current and Its Effects » Electromagnet » What Are Electromagnets

MCQ▾

Question

A coil of insulted wire wound around a piece of magnetic substance is called as:

Choices

Choice (4) Response

a.

Electric field

b.

Magnet

c.

Magnetic field

d.

Electromagnet

Question number: 268

» Water: A Precious Resource » Forms of Water » Water Cycle

MCQ▾

Question

Water vapours forms through the process of

Choices

Choice (4) Response

a.

Evaporation

b.

Transpiration

c.

Sublimation

d.

All a. , b. and c. are correct

Question number: 269

» Water: A Precious Resource » Forms of Water » Water Cycle

MCQ▾

Question

Precipitation that falls becomes a part of:

Choices

Choice (4) Response

a.

Oceans, Rivers, Lakes and streams

b.

Glaciers and ice

c.

Surface run off

d.

All a. , b. and c. are correct

Question number: 270

» Forests: Our Lifeline » Forest Products » Use of Forest Products

MCQ▾

Question

Name waste product obtained from plant, which is used in industries:

Choices

Choice (4) Response

a.

Resin

b.

Rubber

c.

Gum

d.

All a. , b. and c. are correct

Question number: 271

» Forests: Our Lifeline » Forest » Animals of Forest

MCQ▾

Question

The canopy is rich with:

Choices

Choice (4) Response

a.

Plants

b.

Animals

c.

Insects

d.

All a. , b. and c. are correct

Question number: 272

» Light » Spherical Mirrors » Concave Mirror

MCQ▾

Question

The mirror in which inner curved surface is reflecting is called as:

Choices

Choice (4) Response

a.

Concave mirror

b.

Spherical mirror

c.

Convex mirror

d.

Question does not provide sufficient data or is vague

Question number: 273

» Electric Current and Its Effects » Symbols of Electric Components » Symbols for Some Electric Circuit Components

MCQ▾

Question

Symbols are used to represent electric components in:

Choices

Choice (4) Response

a.

Diagram

b.

Pictures

c.

Circuit diagram

d.

All of the above

Question number: 274

» Water: A Precious Resource » Water Management » Rain Water Harvesting

MCQ▾

Question

Rainwater harvesting means:

Choices

Choice (4) Response

a.

Water returning to the earth in the form of rain

b.

Collecting rain water for usage

c.

The process of seepage of water into the ground

d.

Question does not provide sufficient data or is vague

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