1. Loss of water from the body through perspiration depends on. (BEO 2020)
a) Atmospheric temperature only
b) Atmospheric humidity only
c) Both (a) and (b)
d) None of (a) and (b)
Answer. c) Both (a) and (b)
perspiration is commonly known as sweating; both atmospheric temperature and atmospheric humidity affect the sweating;
2. The radiation that is absorbed by Ozone present in the atmosphere is: (UPPSC 2013)
a) Infrared
b) Visible
c) Ultraviolet
d) Microwave
Answer. c) Ultraviolet
3. What types of electromagnetic radiation are used in the remote control of a television? (UPPSC 2013)
a) Infrared
b) Ultraviolet
c) Visible
d) None of the above
Answer. a) Infrared
4. Which one of the following thermometers is known as a pyrometer? (UPPSC 2016)
a) Thermo-electric thermometers
b) Radiation thermometers
c) Gas thermometers
d) Liquid thermometers
Answer. b) Radiation thermometers; Pyrometer is a contact-less temperature measurement that is also known as the infrared thermometer.
5. Which of the following electromagnetic radiations has the maximum energy? (UPPSC 2018)
a) Visible light
b) Infrared rays
c) Ultraviolet rays
d) X-rays
Answer. d) X-rays
6. Consider the following statements:
1. the rotation of the earth on its axis;
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2. the angle of inclination of the sun’s rays;
3. the length of the day;
4. the transparency of the atmosphere;
5. the configuration of land in terms of its aspect
Which of the above factor cause variation in insolation[ incoming solar radiation] on the earth's surface.
a) 1,3,5 only
b) 1,2,3, and 4 only
c) 2 and 3 only
d) All of the above
Answer. d) All of the above
7. The red color of the rising and the setting sun and the blue color of the sky are the result of the ------------ of light within the atmosphere.
a) scattering
b) diffusion
c) absorption
d) deflection
Answer. a) scattering
8. Diffusion of light in the atmosphere takes place due to--
a) Ozone
b) Water vapor
c) carbon dioxide
d) Dust particle
Answer. d) Dust particles help the diffusion of the light;
9. The air in contact with the land gets heated slowly and the upper layers in contact with the lower layers also get heated. This process is called ----------.
a) Convection
b) Conduction
c) Advection
d) Terrestrial radiation
Answer. b) Conduction
10. This energy heats up the atmosphere from below. This process is known as -----.
a) Convection
b) Conduction
c) Advection
d) Terrestrial radiation
Answer. d) Terrestrial radiation
11. The air in contact with the earth rises vertically on heating in the form of currents and further transmits the heat of the atmosphere. This process of vertical heating of the atmosphere is known as --------.
a) Convection
b) Conduction
c) Advection
d) Terrestrial radiation
Answer. a) Convection
12. The transfer of heat through the horizontal movement of air is called ---------.
a) Convection
b) Conduction
c) Advection
d) Terrestrial radiation
Answer. c) Advection
13. The atmosphere is mainly heated by the:
a) Short-wave solar radiation
b) Reflected solar radiation
c) Long-wave terrestrial radiation
d) Scattered solar radiation
Answer. c) Long-wave terrestrial radiation
14. The difference between the mean temperature of the warmest and the coldest
months is called------.
a) Insolation
b) Albedo
c) Isotherm
d) Annual range
Answer. d) Annual range
15. The lines joining the places of equal temperature are called...
a) Insolation
b) Albedo
c) Isotherm
d) Annual range
Answer. c) Isotherm
16. The incoming solar radiation is also known as
a) Insolation
b) Albedo
c) Isotherm
d) Annual range
Answer. a) Insolation
17. The percentage of visible light reflected by an object -----
a) Insolation
b) Albedo
c) Isotherm
d) Annual range
Answer. b) Albedo
18. All of the energy from the Sun that reaches the Earth's surface arrives as ------- which is part of a large collection of solar energy called the ------------.
a) solar radiation, electromagnetic spectrum
b) electromagnetic spectrum, solar radiation
c) shortwave radiation, longwave radiation
d) terrestrial radiation, insolation
Answer. a) solar radiation, electromagnetic spectrum
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