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
Science 8th Class English Medium Chapter 1 Online Test MCQs With Answers
Question # 1
The organisms upon whihc a redator feeds are called.
Choose an answer
Prey
Carnivores
Herbivores
Producers
Previous
Skip
Next
Question # 2
Organism in ecologicla communits interact with one anothe rin....... major ways.
Choose an answer
Two
three
Four
Five
Previous
Skip
Next
Question # 3
The phenomenon which doe snot lead to global warming.
Choose an answer
Green hous effect
Ozone depletion
Deforestation
Photosynthesis
Previous
Skip
Next
Question # 4
The feeding level of an organism in an ecosystem is called.
Choose an answer
Food Web
Food chain
Trophical level
Secession level
Previous
Skip
Next
Question # 5
Which is the solution of environmental problems.
Choose an answer
Reducing pollution
Plantation
Protection of endangered
All these
Previous
Skip
Next
Question # 6
A food chain starts from the..........
Choose an answer
Primary carnivores
Herbivores
Producers
Top carnivores
Previous
Skip
Next
Question # 7
All the food chains are joined together to form .....
Choose an answer
Food web
Ecologicla pyramid
Tropicla level
None of these
Previous
Skip
Next
Question # 8
Carbon cycle and ............. cycle are teh processes in whihc these minerals circulate between the organisms and the environment.
Choose an answer
Hydrogen
Iodine
Oxygen
Nitrogen
Previous
Skip
Next
Question # 9
Green house gases is
Choose an answer
Carbon di oxide
Methane
Oxides of nitrogen
All these
Previous
Skip
Next
Question # 10
Half of the increase in atmospheric carbon dioxide concentrations in the last.............. years has occured since 1980
Choose an answer
100
200
300
400
Previous
Skip
Next
Back