NCERT Class 11 Chapter 9 Geography Solar Radiation, Heat Balance and Temperature MCQ | Questions & Answers: Here is an article for you that will help you take the NCERT Class 11 Chapter 9 Geography Solar Radiation Heat Balance and Temperature MCQ Quiz. To get the result of the quiz, make sure that you have submitted your answers at the end.

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1. Name the sphere which constitutes the earth.

A. atmosphere

B. hydrosphere

C. organic biosphere

D. lithosphere

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2. Earth receives almost all its energy from the

A. sun

B. moon

C. stars

D. none of these

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3. What is the temperature at the sun’s gaseous surface?

A. 570 degree Celsius

B. 5700 degree celcius

C. 57000 degree Celsius

D. 5000 degree celcius

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4. Bodies radiate energy in which form?

A. light

B. wave

C. particles

D. none of these

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5. Earth in turn radiates the heat back to the atmosphere in long waves called

A. terrestrial radiation

B. photochemical radiation

C. heat radiations

D. ultraviolet radiations

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6. What is the distance between the sun and the earth?

A. 152 million km

B. 1520 million km.

C. 15200 million km

D. 1500 million km

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7. On what day the earth is nearest to the sun?

A. 21st June

B. 23rd December

C. 3rd January

D. 21st July

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8. The dark spots appearing on the sun’s surface are called

A. Sun spots

B. Aurora australis

C. Auroralis

D. none of these

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9. What causes the variations in insolation?

A. rotation of the earth on its axis

B. terrestrial radiations

C. atmospheric gases

D. none of these

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10. Which factor determines the angle of inclination of solar rays?

A. altitude

B. ocean currents

C. latitude

D. rotation of’the earth

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11. On what day the sun is overhead at the Tropic of Cancer?

A. July 21st

B. June 21st

C. January 3rd

D. March 21st

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12. The angle of inclination of sun’s rays at noon at Delhi (28°N):

A. 85°

B. 47°

C. 0°

D. 57°

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13. The axis of rotation of Earth is inclined about

A. 23½°

B. 66½°

C. 28°N

D. none of these

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14. When is North pole inclined 23½° toward the sun?

A. 21st March

B. 21st June

C. 23rd September

D. 23rd March

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15. Which processes operate on insolation during the passage through the atmosphere?

A. absorption

B. scattering

C. reflection

D. all of these

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16. Through which process the color of the sky seems blue?

A. absorption

B. reflection

C. scattering

D. none of these

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17. The combined reflection from the earth’s surface and clouds is known as

A. insolation

B. reflection

C. albedo

D. aurora Australis

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18. The heat transfer by contact is termed as

A. conduction

B. convection

C. radiation

D. none of these

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19. The earth transmits the heat by

A. conduction

B. convection

C. radiation

D. all of these

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20. By which process the earth’s surface is heated?

A. convection

B. conduction

C. radiation

D. none of these

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21. How much solar radiation is received at the top of the atmosphere?

A. 100 units

B. 110 units

C. 47 units

D. 53 units

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22. Which factor controls the temperature distribution?

A. latitude

B. altitude

C. ocean current

D. all of these

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23. What is normal lapse rate?

A. 6.5°C per km

B. 65°C per km

C. 5.6°C per km

D. 6.6°C per km.

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24. What least range of temperature is found between 20°S and 15°N?

A. 3°C

B. 5°C

C. 20°C

D. 10°C

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25. The sun has how many shapes?

A. Four

B. Three

C. Two

D. Five

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