EASY
7th CBSE
IMPORTANT
Earn 100

Heat radiations require a medium for propagation.

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Important Questions on Assessment-2

MEDIUM
7th CBSE
IMPORTANT
Science Now 7>Chapter 20 - Assessment-2>ASSESSMENT-2(6-9)>Q B
The height of a place above sea level is called atmosphere.
EASY
7th CBSE
IMPORTANT
Science Now 7>Chapter 20 - Assessment-2>ASSESSMENT-2(6-9)>Q B
Sunrise and sunset do not vary around the globe.
EASY
7th CBSE
IMPORTANT
Science Now 7>Chapter 20 - Assessment-2>ASSESSMENT-2(6-9)>Q B
Biological weathering occurs when roots of plants and trees and burrowing of animals takes place inside the soil.
EASY
7th CBSE
IMPORTANT
Science Now 7>Chapter 20 - Assessment-2>ASSESSMENT-2(6-9)>Q B
The topmost layer of soil is the R-zone.
MEDIUM
7th CBSE
IMPORTANT
Science Now 7>Chapter 20 - Assessment-2>ASSESSMENT-2(6-9)>Q B
Spiracles are tiny holes in cockroaches through which air enters.
EASY
7th CBSE
IMPORTANT
Science Now 7>Chapter 20 - Assessment-2>ASSESSMENT-2(6-9)>Q C
Name the mode of conduction of heat with the actual movement of the particles in the medium.
EASY
7th CBSE
IMPORTANT
Science Now 7>Chapter 20 - Assessment-2>ASSESSMENT-2(6-9)>Q C
What is the SI unit of temperature?
EASY
7th CBSE
IMPORTANT
Science Now 7>Chapter 20 - Assessment-2>ASSESSMENT-2(6-9)>Q C
The measure of heat content of the atmosphere.