More Classes
5th Class
6th Class
7th Class
8th Class
9th Class
10th Class
11th Class
12th Class
NAT I
NAT II
CSS
IQ
General Knowledge
MDCAT
ECAT
GAT General
GAT Subject
Other Links
Go to Home
Online Tests
Chemistry 10th Class English Medium Unit 14 Online Test MCQs With Answers
Question # 1
Which gas protects the Earth's surface from ultraviolet radiations?
Choose an answer
CO
2
CO
N
2
O
3
Previous
Skip
Next
Question # 2
The solid particle deposit on the filter paper during filtratin is called.
Choose an answer
Precipitates
Residue
Crystals
All of them
Previous
Skip
Next
Question # 3
Depending upon temperature variation, atmosphere ins divided into how many regions?
Choose an answer
1
2
3
4
Previous
Skip
Next
Question # 4
Iron and steel structure are damaged by.
Choose an answer
Carbon monoxide
Sulphur dioxide
Methane
Carbon dioxide
Previous
Skip
Next
Question # 5
99% of atmosphere consists of .
Choose an answer
N
2
and H
2
N
2
and O
2
N
2
and CO
2
O
2
and CO
2
Previous
Skip
Next
Question # 6
Atmosphere has regions.
Choose an answer
One
Two
Three
Four
Previous
Skip
Next
Question # 7
The sphere just above the Earth's surface is.
Choose an answer
Mescosphere
Stratosphere
Thermosphere
Troposphere
Previous
Skip
Next
Question # 8
The smell of photocopies machine is due to the presence of.
Choose an answer
Chlorine gas
Neon gas
Helium gas
Ozone gas.
Previous
Skip
Next
Question # 9
Ozone is formed in:
Choose an answer
Troposphere
Stratosphere
Mesosphere
Thermosphere
Previous
Skip
Next
Question # 10
Mesophere extend forms 50 km to:
Choose an answer
50 km
12 km
60 km
85 km
Previous
Skip
Next
Question # 11
The Earth's atmosphere is getting hotter because of.
Choose an answer
Increasing concentration of CO
Increasing concentration of CO
2
Increasing concentration of O
3
Increasing concentration of SO
2
Previous
Skip
Next
Question # 12
Global warming is because of.
Choose an answer
Absorption of infrared radiation emitted by earth surface.
Absorption of infrared radiation coming from sun.
Absorption of infrared Ultraviolet coming from the sun.
Emission of ultraviolet radiation from the earth's surface.
Previous
Skip
Next
Question # 13
Effects of ozone depletion are following except the one.
Choose an answer
Increases infectious diseases
Increases crops production
Can cause skin cancer
Can cause climatic changes.
Previous
Skip
Next
Back