A. Lava and magma both have gas
B. Neither the lava nor the magma has gas
C. Magma has gas while lava has no gas
D. Lava has gas while magma has no gas
Answer –A. Lava and magma both have gas
Explanation-
Explanation-
112. River erosion is at its greatest where river’s:[SSC Section Officer (Audit) 2008]
A. depth is more
B. breadth is more
C. flow is fast
D. gradient is more
Answer –C. flow is fast
Explanation-
Explanation-
113. Mica is found in which one of the following pairs of rocks ?[SSC CGL Prelim 2007]
A. Slate- Sandstone
B. Schist-Gneiss
C. Limestone-Sandstone
D. Shale- Limestone
Answer –B. Schist-Gneiss
Explanation-
Explanation-
114. Which one of the following is the example of sedimentary rocks ?[SSC CGL Prelim 2007]
A. Loess
B. Basalt
C. Granite
D. Gabbro
Answer –A. Loess
Explanation-
Explanation-
115. The Mohorovicic (Moho) Discontinuity separates: [SSC CGL Prelim 2007]
A. Outer core and Mantle
B. Inner and Outer core
C. Sima and Nife
D. Crust and Mantle
Answer –D. Crust and Mantle
Explanation-
Explanation-
116. What is the International Date Line ?[SSC Section Officer (Audit) 2008 and SSC MTS 2011]
A. It is the equator
B. It is the 0° longitude
C. It is the 90° east longitude
D. It is the 180° longitude
Answer –D. It is the 180° longitude
Explanation-
Explanation-
117. Suppose if we measure the time lapse between the two Sunsets by sitting in the beach, from this we can estimate:[SSC CGL Prelim 2007]
A. The distance between the sun and the earth
B. The depth of the ocean
C. The radius of the earth
D. The radius of the sun
Answer –C. The radius of the earth
Explanation-
Explanation-
118. How many minutes for each degree of longitude does the local time of any place vary from the Greenwich time ?[SSC Section Officer (Audit) 2006]
A. Two minutes
B. Four minutes
C. Six minutes
D. Eight minutes
Answer –B. Four minutes
Explanation-
Explanation-
119. Earthquake is caused by: [SSC Section Officer (Audit) 2008 and SSC MTS 2011]
A. disturbance of earth surface
B. adjustment of layers of earth’s crust
C. breakage of rock system
D. upliftment of rocks
Answer –A. disturbance of earth surface
Explanation-
Explanation-
120. The highest grade and best quality coal is: [SSC CPO Sub-Inspector 2007]
A. Lignite
B. Peat
C. Bituminous
D. Anthracite
Answer –D. Anthracite
Explanation-
Explanation-