NSTSE (National Science Talent Search Exam- Unified Council) Class 8: Questions 2001 - 2007 of 2028

Access detailed explanations (illustrated with images and videos) to 2028 questions. Access all new questions we will add tracking exam-pattern and syllabus changes. Subscription can be renewed yearly absolutely FREE! View Sample Explanation or View Features.

Rs. 550.00 or

How to register?

Question number: 2001

» Chemistry » Pollution of Air and Water

Edit
MCQ▾

Question

What are the consequences of global warming?

(I) Increase in the sea level

(II) Melting of ice at mountain peaks

(III) Decrease in food production by crops

Choices

Choice (4) Response

a.

II & III only

b.

I, II & III only

c.

I & III

d.

I & II only

Question number: 2002

» Chemistry » Pollution of Air and Water

Edit
MCQ▾

Question

Which of the following gases are involved in the formation of acid rain?

Choices

Choice (4) Response

a.

Carbon monoxide

b.

Ozone

c.

Chlorofluorocarbon

d.

Sulphur dioxide

Question number: 2003

» Chemistry » Pollution of Air and Water

Edit
MCQ▾

Question

Which is the main source of water pollution in India?

Choices

Choice (4) Response

a.

Discharge of untreated sewage

b.

Discharge of industrial waste

c.

Bathing

d.

Both a. and b. are correct

Question number: 2004

» Chemistry » Synthetic Fibers and Plastics

Edit
MCQ▾

Question

The term “PET” is a familiar form of?

Choices

Choice (4) Response

a.

Polyester

b.

Rayon

c.

Plastic

d.

Acrylic

Question number: 2005

» Chemistry » Pollution of Air and Water

Edit
MCQ▾

Question

Which air pollutant is not released by Scooter and Cars?

Choices

Choice (4) Response

a.

b.

Hydrocarbons

c.

d.

Fly ash

Question number: 2006

» Chemistry » Pollution of Air and Water

Edit
MCQ▾

Question

Which of the following process can be adopted by human beings to reduce water & other pollution?

Choices

Choice (4) Response

a.

Recycling the waste

b.

Reusing the waste

c.

Reducing the production of waste

d.

All a. , b. and c. are correct

Question number: 2007

» Chemistry » Pollution of Air and Water

Edit
MCQ▾

Question

Select one pollutant which is not a general pollutant of atmosphere?

Choices

Choice (4) Response

a.

b.

c.

d.

Developed by: