NCERT Based General Studies (GS): Questions 3290 - 3296 of 3450

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Question number: 3290

» Science » Class-7 NCERT » Light (Spherical Mirrors)

MCQ▾

Question

Convex mirror has:

Choices

Choice (4) Response

a.

Inner surface is polished

b.

Outer curved surface is reflecting

c.

Both a. and b. are correct

d.

None of the above

Question number: 3291

» Science » Class-7 NCERT » Light (Spherical Mirrors)

MCQ▾

Question

Type of image formed by the plane mirror is:

Choices

Choice (4) Response

a.

Real

b.

Virtual & Erect and formed behind the mirror

c.

Virtual

d.

Erect and formed behind the mirror

Question number: 3292

» Science » Class-7 NCERT » Wastewater Story (Water, Our Lifeline)

MCQ▾

Question

Cleaning water is the process of removing:

Choices

Choice (4) Response

a.

Suspended solids and gases from water

b.

Undesirable chemicals from water

c.

Biological contaminants from water

d.

All a. , b. and c. are correct

Question number: 3293

» Science » Class-7 NCERT » Water: A Precious Resource (Ground Water)

MCQ▾

Question

Type of water, which forms the water table, is:

Choices

Choice (4) Response

a.

Ground Water

b.

Water collected between the soil particles and rocks

c.

Rain water

d.

All a. , b. and c. are correct

Question number: 3294

» Science » Class-7 NCERT » Wastewater Story (Waste Water Treatment Plant)

MCQ▾

Question

In the wastewater treatment plant wastewater is passed after screening into the:

Choices

Choice (4) Response

a.

Grit and sand removal tank

b.

Aeration

c.

Sedimentation tank

d.

None of the above

Question number: 3295

» Science » Class-7 NCERT » Electric Current and Its Effects (Electromagnet)

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: 3296

» Science » Class-7 NCERT » Water: A Precious Resource (Forms of Water)

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

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