Weather Climate And Adaptations Of Animals To Climate

Biology
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Which of the following changes weather?

A
Sun
B
Man
C
Earth rotation 
D
Television
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Which of the following statements is incorrect?

A
The tusks of elephants are modified teeth.
B
The webbed feet of penguins make them good swimmers.
C
Migratory birds migrate to warmer regions when winter sets in.
D
Polar bears have thick fur which protects them from hot temperature.
Medium
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Humidity is

A
The amount of air present in any region.
B
The amount of any liquid present in air.
C
The amount of water vapour present in air.
D
The amount of elements and compound present in air.
Medium
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The animal which lives in polar regions is:

A
Nightingale
B
Frog
C
Polar bear
D
Fish
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Assertion : The crown fires are most destructive as they burn the tree top.

Reason : Due to crown fire the temperature of that area may rise upto 700oC.

A
If both the assertion and the reason are true and the reason is a correct explanation of the assertion
B
If both the assertion and reason are true but the reason is not a correct explanation of the assertion
C
If the assertion is true but the reason is false
D
If both the assertion and reason are false
E
If the assertion is false but reason is true
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During summer, if you go near the lake, you feel relief from the heat, why?

A
 With no pressure over the lake and low pressure over land, the regional pressure gradient pushes cool winds towards the land.
B
 With high pressure over the lake and low pressure over land, the regional pressure gradient pushes cool winds towards the land.
C
 With no pressure over the lake and high pressure over land, the regional pressure gradient pushes cool winds towards the land.
D
 With high pressure over the lake and zero pressure over land, the regional pressure gradient pushes cool winds towards the land.
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Which of the following is a climatic factor?

A
Forest
B
Temperature
C
Soil structure
D
Altitude
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Penguins are found in ___________ .

A
Tropical rainforest
B
Mountains
C
Polar region
D
Grasslands
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Sunlight is present for only a short span of time in

A
Polar regions
B
Subtropial regions
C
Desert regions
D
Himalayan region
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