Science (NCERT Based General Studies (GS)): Questions 1074 - 1081 of 1207

Get 1 year subscription: Access detailed explanations (illustrated with images and videos) to 3450 questions. Access all new questions we will add tracking exam-pattern and syllabus changes. View Sample Explanation or View Features.

Rs. 650.00 or

Question number: 1074

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

MCQ▾

Question

Primary water clarifier is:

Choices

Choice (4) Response

a.

Sedimentation tanks

b.

Bar Screen

c.

Grit chambers

d.

All of the above

Question number: 1075

» Science » Class-7 NCERT » Light (Reflection of Light)

MCQ▾

Question

Curved mirror is called as:

Choices

Choice (4) Response

a.

Concave mirror

b.

Spherical mirror

c.

Parabolic mirror

d.

Convex mirror

Question number: 1076

» Science » Class-7 NCERT » Forests: Our Lifeline (Forest)

MCQ▾

Question

Different kinds of plants present in forest are:

Choices

Choice (4) Response

a.

Amla, bamboo, kachnar

b.

Semal, Sheesham, Neem, peepal, fig, khair

c.

Sal, Teak, Banyan

d.

All a. , b. and c. are correct

Question number: 1077

» Science » Class-7 NCERT » Electric Current and Its Effects (Symbols of Electric Components)

MCQ▾

Question

Two or more cells in a series combination forms:

Choices

Choice (4) Response

a.

Circuit diagram

b.

Fuse

c.

Battery

d.

Electric circuit

Question number: 1078

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

MCQ▾

Question

Water flowing down the drain is called as:

Choices

Choice (4) Response

a.

Waste water

b.

Sewage

c.

Both a. and b. are correct

d.

Question does not provide sufficient data or is vague

Question number: 1079

» Science » Class-7 NCERT » Light (Reflection of Light)

MCQ▾

Question

A highly polished reflecting surface that can return the rays of light into the same medium is called as:

Choices

Choice (4) Response

a.

Lens

b.

Newton’s disc

c.

Mirror

d.

None of the above

Question number: 1080

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

MCQ▾

Question

Pumping of air in clarified water is called as the:

Choices

Choice (4) Response

a.

Biogas

b.

Aeration

c.

Aerobic bacteria

d.

Question does not provide sufficient data or is vague

Question number: 1081

» Science » Class-7 NCERT » Wastewater Story (Better House Keeping Practices )

MCQ▾

Question

Some methods to conserve the water are:

Choices

Choice (4) Response

a.

Mop the floors instead of washing them

b.

Adopt rain harvesting technique

c.

Avoid wastage of water

d.

All a. , b. and c. are correct

Sign In