Q.1) What is termed as the process of change of state of water from solid directly into vapour?

A. Wind
B. Condensation
C. sublimation (Correct Answer)
D. None of these

Q.2) When humidity is expressed as a percentage, it is referred to as?

A. absolute humidity
B. relative humidity (Correct Answer)
C. percentage humidity
D. specific humidity

Q.3) The sling psychrometer measures ___________.

A. humidity (Correct Answer)
B. temperature
C. wind velocity
D. None of the above

Q.4) We state __________ in terms of grams of water vapour per kg of moist air.

A. relative humidity
B. specific humidity (Correct Answer)
C. absolute humidity
D. None of the above

Q.5) Among the following, which layer of atmosphere maintains an almost uniform horizontal temperature?

1. tropopause
2. troposphere
3. stratosphere
A. Only 1
B. Only 3 (Correct Answer)
C. 1 and 2
D. 1, 2, and 3

Q.6) When does the thickness of the troposphere increases?

A. winter
B. summer (Correct Answer)
C. autumn
D. spring

Q.7) Fall in air temperature with increasing elevation is termed as?

A. lapse rate (Correct Answer)
B. thermal reduction
C. thermal anomaly
D. temperature fall

Q.8) The winds blowing from subtropical high pressure regions, to the equator are known as?

A. tropical easterlies (Correct Answer)
B. westerlies
C. doldrums
D. high latitude easterlies

Q.9) Among the following, which factor/factors do not affect the amount of insolation?

1. rotation of the earth
2. surface temperature
3. solar constant
4. length of day
A. Only 1
B. Only 2
C. Both 1 and 2 (Correct Answer)
D. Neither 1 nor 2

Q.10) What governs the velocity of wind?

A. Farrel's Law
B. pressure gradient (Correct Answer)
C. temperature
D. None of the above

Q.11) The temperature the highest near the tropopause in _____________ region?

A. over the Arctic region (Correct Answer)
B. around the equator
C. near the Tropic of Cancer
D. None of the above

Q.12) Among the following, which is not a planetary wind?

A. westerlies
B. trade winds
C. easterlies
D. drainage winds (Correct Answer)

Q.13) This comet appears every 76 years. Identify it from the given options.

A. Donati's
B. Hailey's (Correct Answer)
C. Alpha Centauri
D. None of the above

Q.14) The moon's period of revolution with reference to the Sun is equal to?

A. 1 synodic month (Correct Answer)
B. 1 sidereal month
C. 1 solar month
D. None of these

Q.15) Why do we always see the same face of the moon?

A. It takes equal time for both revolution around the earth and rotation on its own axis (Correct Answer)
B. It revolves on its axis in a direction opposite to that of the earth
C. It is smaller than the earth
D. None of these

Q.16) Tidal bore is?

A. A high tidal wave moving upstream in the mouth of a river (Correct Answer)
B. A deposit of sand in coastal areas
C. A tidal wave resulting from seismic activity
D. None of these

Q.17) This place in India will never get the vertical rays of the sun. Identify it from the given options.

A. Thiruvananthapuram
B. Srinagar (Correct Answer)
C. Mumbai
D. None of these

Q.18) Which of the following is the longest day in Australia?

A. December 22 (Correct Answer)
B. November 22
C. October 22
D. February 22

Q.19) This place will experience sunlight for the longest period in summer. Identify it from the given option?

A. Srinagar (Correct Answer)
B. Manipur
C. Kanpur
D. Delhi

Q.20) At what time South Pole experiences continuous light?

A. Summer solstice
B. Winter solstice (Correct Answer)
C. autumnal equinox
D. None of the above

Q.21) Arrange the order of layers in the atmosphere, upwards from below.

A. troposphere, magnetosphere, stratosphere and exosphere
B. exosphere, ionosphere, troposphere and stratosphere
C. stratosphere, troposphere, ionosphere and exosphere
D. troposphere, stratosphere, ionosphere and exosphere (Correct Answer)

Q.22) Which among the following planet/planets will experience sunrise in the West direction if we assume the directions similar to those on the earth?

i. Uranus
ii. Venus
iii. Mercury
iv. Saturn

A. i and ii (Correct Answer)
B. ii and iv
C. i and iv
D. iii and iv

Q.23) On this day, the minimum distance between the sun and the earth occurs. Identify the day.

A. January 25
B. May 16
C. January 3 (Correct Answer)
D. February 15

Q.24) The earth is said to be in __________ on the day when the sun is nearest to the earth.

A. perihelion (Correct Answer)
B. aphelion
C. perigee
D. apogee

Q.25) On which day is the earth at its maximum distance from the sun?

A. September 12
B. July 4 (Correct Answer)
C. August 25
D. February 22

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