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
What percentage of nitrogen and oxygen is in the atmosphere.
Choose an answer
69%
79%
9%
89%
Previous
Skip
Next
Question # 2
What gas is the major constituent of troposphere?
Choose an answer
Nitrogen
Oxygen
Hydrogen
Both a and b
Previous
Skip
Next
Question # 3
Iron and steel structure are damaged by.
Choose an answer
Carbon monoxide
Sulphur dioxide
Methane
Carbon dioxide
Previous
Skip
Next
Question # 4
The earth atmosphere is getting hotter because of :
Choose an answer
SO
2
O
3
CO
2
CO
Previous
Skip
Next
Question # 5
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 # 6
How much amount of sunlight reaches up to earth and absorbed:
Choose an answer
26%
32%
50%
18%
Previous
Skip
Next
Question # 7
Which gas is also known as life gas for plants.
Choose an answer
CO
CO
2
O
2
NO
2
Previous
Skip
Next
Question # 8
Which gas acts as a glass wall of a green house?
Choose an answer
Oxygen
Carbon dioxides
sulphur dioxide
Hydrogen
Previous
Skip
Next
Question # 9
Our planet earth consists of ____________ natural Spheres.
Choose an answer
1
4
6
8
Previous
Skip
Next
Question # 10
PAN stands for
Choose an answer
Poly aniline nitrate
Proxy acetyl nitrate
Poly acetyl nitrite
Proxy acetyl nitrite
Previous
Skip
Next
Question # 11
Ultraviolet radiations can causes.
Choose an answer
Hepatitis
Asthma
Skin cancer
Night blindness
Previous
Skip
Next
Question # 12
Which gas is emitted due to volcanic eruption?
Choose an answer
CO
2
SO
3
NO
2
H
2
Previous
Skip
Next
Question # 13
In the troposphere (lowest layer), the temperature decreases form 17°C to;
Choose an answer
-58°C
-93°C
-61°C
-49°C
Previous
Skip
Next
Back