Q1 of 8 Page 81

Multiple choice question.

The main reason that the earth experiences highest temperatures in the subtropics in the northern hemisphere rather than at the equator is:


The main reason that the earth experiences highest temperature in the subtropics in the northern hemisphere rather than at the equator is that subtropical areas have longer day hours in the summer than the equator.

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1

Multiple choice question.

The atmosphere is mainly heated by the:


 1

Multiple choice question.

Make correct pairs from the following two columns.



 2

Answer the following questions in about 30 words.

(i) How does the unequal distribution of heat over the planet earth in space and time cause variations in weather and climate?


(ii) What are the factors that control temperature distribution on the surface of the earth?


(iii) In India, why is the day temperature maximum in May and why not after the summer solstice?


(iv) Why is the annual range of temperature high in the Siberian plains?


 3

Answer the following questions in about 150 words.

(i) How do the latitude and the tilt in the axis of rotation of the earth affect the amount of radiation received at the earth’s surface?


(ii) Discuss the processes through which the earth-atmosphere system maintains heat balance.


(iii) Compare the global distribution of temperature in January over the northern and the southern hemisphere of the earth.