A. Stalactites
B. Stalagmites
C. Sink holes
D. Fiords
Answer –D. Fiords
Explanation-
Explanation-
92. The inner-most layer of the earth is known as:[SSC Combined Matric Level (PRE) 2001]
A. Lithosphere
B. Mesosphere
C. Asthenosphere
D. Barysphere
Answer –C. Asthenosphere
Explanation-
Explanation-
93. The temperature of water at the bottom of a large waterfall is higher than that of the water at the top. because:[SSC Combined Matric Level (PRE) 2001]
A. the falling water absorbs heat from the Sun
B. the water at the bottom has greater potential energy
C. the kinetic energy of the falling water is converted into heat
D. rocks on the bed of the river give out heat
Answer –C. the kinetic energy of the falling water is converted into heat
Explanation-
Explanation-
94. Which one of the following is an igneous rock?[SSC Combined Matric Level (PRE) 2001]
A. Sandstone
B. Shale
C. Quartzite
D. Granite
Answer –D. Granite
Explanation-
Explanation-
95. The greatest erosive power of a river is associated with:[SSC Combined Matric Level (PRE) 2001]
A. gorges
B. meanders
C. inter-locking spurs
D. V-shaped valley
Answer –B. meanders
Explanation-
Explanation-
96. Prime Meridian passes through:[SSC Combined Matric Level (PRE) 2001]
A. Greenwich
B. Ujjain
C. New York
D. Tokyo
Answer –A. Greenwich
Explanation-
Explanation-
97. What is the epicentre of an Earthquake?[SSC Combined Matric Level (PRE) 2002]
A. The point at which earthquake originates
B. The point which is prone to volcanoes
C. The point from which the intensity of seismic waves declines
D. The point on the earth’s surface vertically above the seismic focus
Answer –D. The point on the earth’s surface vertically above the seismic focus
Explanation-
Explanation-
98. In the context of ‘time’, GMT means: [SSC Combined Matric Level (PRE) 2006]
A. General Meridian Time
B. Greenwich Mean Time
C. Global Mean Time
D. None of these
Answer –B. Greenwich Mean Time
Explanation-
Explanation-
99. The main cause of recurring flood is:[SSC Combined Matric Level (PRE) 2002]
A. Soil erosion
B. Deforestation
C. Silting of river beds
D. All of the above
Answer –D. All of the above
Explanation-
Explanation-
100. Which one of the following is the greatest circle ?[SSC Combined Matric Level (PRE) 2006]
A. Tropic of Cancer
B. Tropic of Capricorn
C. Equator
D. Arctic Circle
Answer –C. Equator
Explanation-
Explanation-