Classical

Earth - Section 1

26:  

Summer Solstice in the Southern Hemisphere occurs on

A.

December 22

B.

September.23

C.

June 21

D.

March 21

 
 

Option: C

Explanation :


27:  

Consider a specific point ,on, the surface of the earth (say, Delhi);"Thertemperature at a given time of day (say, 12.00Noon) will in general be higher in summer'than'in whiter. Thish beciuse:

A.

the evaporation of water,'from atmosphere results 'in precipitation occurring in winter alone

B.

Sun' -rays falling- on thel earth are' inclined more towards the sun in winter

C.

the earth is closer 'to the sun in summer than 'in winter

D.

ihe axis of the-earth is incHned more" towards the, Sun in winter

 
 

Option: A

Explanation :


28:  

Which of the following is the best definition of 'Tides'?

A.

A powerful movement of. the 'ocean which proceed constantly in-a definite direction

B.

A great circulatory m'ovemeht of sea water caused by difference j,n density of sea -water.

C.

A periodic rise and fall of sea" water caused by the gravitational force of inoon and sun on earth.

D.

A wind and 'pressure system :tiaving a' low pressure' in centre and ci rcular wind motion

 
 

Option: C

Explanation :


29:  

Days and nights are equal throughout the globe when Sun is above

A.

Poles

B.

Tropic of Cancer

C.

Equator

D.

Tropic of Capricorn

 
 

Option: C

Explanation :


30:  

The mean distance between the distances on perihelion and aphelion (in millwn'km.) is

A.

111 km

B.

149.5km

C.

159 km

D.

168.5km

 
 

Option: B

Explanation :




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