Sardar Krushinagar Dantiwada Agricultural Uiversity 2010 B.Sc Agriculture for Competitive : Agri Meterology - university paper

MULTIPLE CHOICE QUESTIONS

B.Sc Agriculture (Agri. Meterology)

(For Competitive Examination)

1.      Solar radiation produces by which process?

a.Adiabatic process

b.       Nuclear Fusion

c.Photoelectric effect

d.      Chaos process

2.      Solar energy travels to space in discrete packets of energy known as?

a.       Photon (Electromagnetic wave)

b.      Boson

c.       Fermion

d.      Meson

3.      What is solar constant on earth?

a.       100 Langley

b.      1.94 Langley

c.       22 Langley

d.      2.987 Langley

4.      A form of energy that is emitted by all objects having a temperature above absolute zero known as?

a.       Convection

b.      Radiation

c.       Conduction

d.      None of these

5.      What is the wavelength of visible solar radiation?

a.       400-700 nm

b.      1000 nm

c.       100-150 nm

d.      2.13-5.0 nm

6.      Which law states that a good absorber of radiation is also a good emitter under similar condition?

a.       Plancks law

b.      Kirchoffs law

c.       Stefenss law

d.      Weinss displacement law

7.      Which one of these wavelengths has maximum energy?

a.       0-300 nm

b.      400-430 nm

c.       1000-α nm

d.      189000 nm

8.      Solar radiation measured by?

a.       Pyranometer

b.      Thermometer

c.       Hygrometer

d.      Barometer

9.      A certain part of energy received from the sun, is reflected back to space by the earth known as?

a.       Transmission

b.      Absorption

c.       Albedo

d.      Conduction

10.  By which process green plants and certain other organisms use the energy of light to convert carbon dioxide and water into the simple sugar glucose?

a.       Transpiration

b.      Detoxification

c.       Photosynthesis

d.      Respiration

11.  According to which law the energy flux density of radiation from a body is a function of fourth power of its absolute temperature?

a.       Plancks law

b.      Kirchoffs law

c.       Stefenss law

d.      Weinss displacement law

12. The instrument able to record almost all meteorological data by desired interval at any time and any place

1. Automatic weather station
2. Stevenson screen
3. Ceilometer
4. Evaporimeter

13. Which instrument record the wind direction

a. Anemometer

b. Wind Vane

c. Thermograph

d. Barograph

14.Which instrument used for measure wind speed

a. Barometer

b. Hygrograph

c. Anemometer

d. Radiosonde

15. Instrument used for record atmospheric pressure

1. Luxmeter
2. Barometer
3. Photometer
4. Quantum Sensor

16. Relative humidity measured by

1. Solarimeter
2. Hygrometer
3. Pyranometer
4. Pyrgeometer

17. Evaporation measured by

1. Pyrgeometer
2. Evaporimeter
3. Albedometer
4. Radiosonde

18. Continuous temperature record by which instrument

1. Thermograph
2. Barograph
3. Hygrograph
4. Luxmeter

19. Which Instrument record temperature without contact the object

a.Infrared thermometer

b. Evaporimeter

c. Albedometer

d. Radiosonde

20. Combination of Dry bulb and Wet bulb thermometer used for

1. Net radiation
2. Relative Humidity
3. Cloud
4. Gas Composition