SSC Geography Previous Year Questions Set 26

251. Which of the following absorbs part of the insolation and preserves earth’s radiated heat? [SSC Combined Matric Level (PRE) 2001]
A. Oxygen
B. Nitrogen
C. Water vapour
D. Carbon-di-oxide
Answer –C. Water vapour
Explanation-


252. Cyclones are caused due to:[SSC Combined Matric Level (PRE) 2002]
A. low pressure
B. high pressure
C. low temperature
D. high density
Answer –A. low pressure
Explanation-


253. What is a ‘tornado’ ? [SSC Combined Matric Level (PRE) 2006]
A. A very high pressure centre
B. A very low pressure centre
C. A very high ocean wave
D. A planetary wind
Answer –B. A very low pressure centre
Explanation-


254. Katrina is the name given to:[SSC Stenographer (Grade ‘C’ & ‘D’) 2010]
A. Satellite
B. Star
C. Heat wave
D. Hurricane
Answer –D. Hurricane
Explanation-


255. In which region does rainfall occur throughout the year ? [SSC Stenographer (Grade ‘C’ & ‘D’) 2010]
A. Mediterranean
B. Equatorial
C. Tropical
D. Temperate
Answer –B. Equatorial
Explanation-


256. The vertical movement of air is termed as:[SSC HSL Data Entry Operator & LDC 2010]
A. wind
B. air current
C. air turbulence
D. air mobility
Answer –B. air current
Explanation-


257. The atmospheric layer closest to the earth is:[SSC (10+2) Level Data Entry Operator & LCD 2011]
A. Mesosphere
B. Hydrosphere
C. Troposphere
D. Ionosphere
Answer –C. Troposphere
Explanation-


258. Frontal Rain is caused by___ [SSC (10+2) Level Data Entry Operator & LCD 2011]
A. Convection current
B. Winds from sea
C. Cyclonic activity
D. Condensation of water evaporated from mountains
Answer –C. Cyclonic activity
Explanation-


259. Smog is a combination of____ [SSC (10+2) Level Data Entry Operator & LCD 2011]
A. air and water vapour
B. water and smoke
C. fire and water
D. smoke and fog
Answer –D. smoke and fog
Explanation-


260. Which one of the four regions above the earth has smallest height (km.) ? [SSC (10+2) Level Data Entry Operator & LCD 2011]
A. Stratosphere
B. Mesosphere
C. Thermosphere
D. Troposphere
Answer –D. Troposphere
Explanation-


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