MCQs
Total Questions : 471
| Page 46 of 48 pages
Answer: Option D. -> Both A and R are true but R does not explain A
Answer: (d)
The crystal size in the igneous rocks is more a function of the quickness of the process of cooling rather than of the mineral content.
The mineral content determines the melting point of the rocks and the basaltic lava having a higher content of metallic minerals solidifies rapidly once it reaches the surface.
Answer: (d)
The crystal size in the igneous rocks is more a function of the quickness of the process of cooling rather than of the mineral content.
The mineral content determines the melting point of the rocks and the basaltic lava having a higher content of metallic minerals solidifies rapidly once it reaches the surface.
Answer: Option C. -> Mercalli intensity scale
Answer: (c)
Magnitude and Intensity measure different characteristics of earthquakes. Magnitude measures the energy released at the source of the earthquake. Magnitude is determined from measurements on seismographs. Intensity measures the strength of shaking produced by the earthquake at a certain location.
Intensity is determined by its effects on people, human structures, and the natural environment. The Mercalli intensity scale is a seismic scale used for measuring the intensity of an earthquake.
It measures the effects of an earthquake and is distinct from the moment magnitude usually reported for an earthquake (sometimes described as the obsolete Richter magnitude), which is a measure of the energy released. The intensity of an earthquake is not totally determined by its magnitude.
Answer: (c)
Magnitude and Intensity measure different characteristics of earthquakes. Magnitude measures the energy released at the source of the earthquake. Magnitude is determined from measurements on seismographs. Intensity measures the strength of shaking produced by the earthquake at a certain location.
Intensity is determined by its effects on people, human structures, and the natural environment. The Mercalli intensity scale is a seismic scale used for measuring the intensity of an earthquake.
It measures the effects of an earthquake and is distinct from the moment magnitude usually reported for an earthquake (sometimes described as the obsolete Richter magnitude), which is a measure of the energy released. The intensity of an earthquake is not totally determined by its magnitude.
Answer: Option C. -> Karst
Answer: (c)The underground water of Karst topography carves our impressive channels and caves that are susceptible to collapse from the surface. When enough limestone is eroded from underground, a sinkhole (also called a doline) may develop. Sinkholes are depressions that form when a portion of the lithosphere below is eroded away.
Answer: (c)The underground water of Karst topography carves our impressive channels and caves that are susceptible to collapse from the surface. When enough limestone is eroded from underground, a sinkhole (also called a doline) may develop. Sinkholes are depressions that form when a portion of the lithosphere below is eroded away.
Answer: Option D. -> Llanos - Venezuela
Answer: (d)
Answer: (d)
Answer: Option D. -> 16 degree Celsius
Answer: (d)
The average temperature on Earth is about 61o F (16o C). But temperatures vary greatly around the world depending on the time of year, ocean and wind currents and weather conditions.
Summers tend to be warmer and winters colder. Also, temperatures tend to be higher near the equator and lower near the poles.
Answer: (d)
The average temperature on Earth is about 61o F (16o C). But temperatures vary greatly around the world depending on the time of year, ocean and wind currents and weather conditions.
Summers tend to be warmer and winters colder. Also, temperatures tend to be higher near the equator and lower near the poles.
Answer: Option A. -> Crater
Answer: (a)A bowl-shaped depression that is at the mouth of a volcano or geyser is called a volcanic crater. These craters are caused by the volcano’s activity. It is a vent.
Answer: (a)A bowl-shaped depression that is at the mouth of a volcano or geyser is called a volcanic crater. These craters are caused by the volcano’s activity. It is a vent.
Answer: Option D. -> California
Answer: (d)
Answer: (d)
Answer: Option D. -> Old mountains
Answer: (d)
Answer: (d)
Answer: Option C. -> generation of hydro power
Answer: (c)
The prospect of producing electricity from the hydrological resources of the Plateau region lies not, as has been suggested, in the ‘region’s fast-flowing rivers'. The flow rate of most rivers in the region is relatively slow.
However, the sloped topography of the plateau itself provides enormous capacity to generate electricity. All existing and planned hydropower projects in the region are based on the simple engineering principle of utilizing gravity to generate energy from the region’s rivers. The steep escarpments found in the south-eastern portion of the region provide the natural topographical mechanism to subject the region’s water resources to the energy-producing force of gravity.
Answer: (c)
The prospect of producing electricity from the hydrological resources of the Plateau region lies not, as has been suggested, in the ‘region’s fast-flowing rivers'. The flow rate of most rivers in the region is relatively slow.
However, the sloped topography of the plateau itself provides enormous capacity to generate electricity. All existing and planned hydropower projects in the region are based on the simple engineering principle of utilizing gravity to generate energy from the region’s rivers. The steep escarpments found in the south-eastern portion of the region provide the natural topographical mechanism to subject the region’s water resources to the energy-producing force of gravity.
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