Login
Login
Sign up
Start
Mathmania
Teacher tutorials
TOP
Subjects
Bridge Course
Testworks
Subject updates
Ya+
News
Send feedback
See more
Contacts
About Us
Terms and Conditions
Privacy Policy
PDF chapter test
TRY NOW
Subjects
Science CBSE
Class 10
Sources of energy
Textbook based HOTS
23.
Multiple choice question XXIII
Exercise condition:
2
m.
1
.
Fuel formed under the earth's surface by the decomposition of organic matter is called
Organic fuel
Biogas
Fossil fuel
Under ground fuel
2
.
Which part of the solar cooker is responsible for green house effect?
Coating with black colour the box
Mirror
Glass sheet
Outer cover of the solar cooker
Login
or
Fast registration
Previous exercise
Exit to the topic
Next exercise
Send feedback
Did you find an error?
Send it to us!