MCQ Question for Class 11 Geography Chapter 9 Solar Radiation, Heat Balance and Temperature with Answer
Question 1.
The sun is vertically overhead at noon on 21st June at
(a) the equator
(b) 23.5 degree N
(c) 23.5 degree S
(d) 66.5 degree N
Answer: (b) 23.5 degree N
Question 2.
The days are longest at
(a) Thiruvananthapuram
(b) Hyderabad
(c) Chandigarh
(d) Nagpur
Answer: (a) Thiruvananthapuram
Question 3.
This process of vertical heating of the atmosphere is known as ________
(a) Psychrometer
(b) Convection
(c) Evaporation
(d) None of the above
Answer: (b) Convection
Question 4.
Differences in pressure on the earth surface causes:
(a) Winds
(b) Precipitation
(c) Hail
(d) Seasons
Answer: (a) Winds
Question 5.
______ are lines joining places having an equal temperature.
(a) Isotherms
(b) Evaporation
(c) Convection
(d) Pyrheliometer
Answer: (a) Isotherms
Question 6.
The heat energy absorbed by a known area in a fixed time is determined with the help of an instrument called
(a) Psychrometer
(b) Pyrheliometer
(c) Thermometric well
(d) Any instrument
Answer: (b) Pyrheliometer
Question 7.
What is Isotherm?
(a) The line joining the places of equal temperature
(b) The incoming short wave radiation
(c) The line joining the places of equal pressure
(d) None of the above
Answer: (a) The line joining the places of equal temperature
Question 8.
The earth radiates energy to the atmosphere in:
(a) Long wavelengths
(b) Radiation
(c) Insolation
(d) Short wavelengths
Answer: (a) Long wavelengths
Question 9.
Maximum insolation is received over the ____________
(a) Equator
(b) Tropical areas
(c) Sub-tropical areas
(d) Poles
Answer: (c) Sub-tropical areas
Question 10.
Insolation refers to ________
(a) Wind direction
(b) Solar radiation
(c) Precipitation
(d) None of the above
Answer: (b) Solar radiation
