Solar Radiation, Heat Balance and Temperature MCQ Questions for Class 11 Geography Chapter 9 with Answers

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Fundamentals of Physical Geography: MCQ Questions for Class 11 Geography with Answers


Q1. How much solar radiation is received at the top of the atmosphere?

(A) 100 units
(B) 110 units
(C) 47 units
(D) 53 units

(A) 100 units.


Q2. Bodies radiate energy in which form?

(A) light
(B) wave
(C) particles
(D) none of these

(B) wave.


Q3. The earth transmits the heat by

(A) conduction
(B) convection
(C) radiation
(D) all of these

(D) all of these.


Q4. Differences in pressure on the earth surface causes:

(A) Winds
(B) Precipitation
(C) Hail
(D) Seasons

(A) Winds


Q5. he combined reflection from the earth’s surface and clouds is known as

(A) insolation
(B) reflection
(C) albedo
(D) aurora Australis

(C) albedo.


Q6. Angle made by the rays of the sun on the earth surface is called the :

(A) angle of incidence
(B) albedo of the earth
(C) angle of the earth
(D) None

(A) angle of incidence


Q7. When is North pole inclined 23½° toward the sun?

(A) 21st March
(B) 21st June
(C) 23rd September
(D) 23rd March

(B) 21st June.


Q8. The earth radiates energy to the atmosphere in:

(A) Long wavelengths
(B) Radiation
(C) Insolation
(D) Short wavelengths

(A) Long wavelengths


Q9. The angle of inclination of sun’s rays at noon at Delhi (28°N):

(A) 85°
(B) 47°
(C) 0°
(D) 57°

(A) 85°.


Q10. 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

(A) terrestrial radiation.


Q11. The sun is vertically over head at noon on 21st June at

(A) the equator.
(B) 23.5 degree N.
(C) 23.5 degree S.
(D) 66.5 degree N.

(B) 23.5 degree N.


Q12. The envelop of the air is called

(A) Atmosphere
(B) Troposphere
(C) Stratosphere
(D) None of the above

(A) Atmosphere


Q13. The sun is vertically over head at noon on 21st June at

(A) the equator.
(B) 23.5 degree N.
(C) 23.5 degree S.
(D) 66.5 degree N.

(B) 23.5 degree N.


Q14. Which of the following has longest day and nights?

(A) Poles
(B) Equator
(C) Tropic of Cancer
(D) Tropic of Capricorn.

(A) Poles


Q15. Which factor determines the angle of inclination of solar rays?

(A) altitude
(B) ocean currents
(C) latitude
(D) rotation of’the earth

(C) latitude.


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