BA First Year (Sem 1 & 2) Geography – Daily Revision MCQ (English Medium)
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The Mohorovičić (Moho) discontinuity separates which two layers of the Earth?
Chapter 4: Interior of the Earth
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Answer: A. Crust and mantle
The Moho lies between the crust and the mantle; the Gutenberg discontinuity lies between the mantle and the core.Marble is a metamorphic rock formed from which rock?
Chapter 5: Rocks
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Answer: C. Limestone
Heat and pressure turn limestone into marble.Who first used the term 'isostasy', in 1889?
Chapter 6: Isostasy
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Answer: D. Clarence Dutton
American geologist Clarence Dutton coined 'isostasy' in 1889; Airy and Pratt had earlier given theories of this balance.Who proposed the continental drift theory, saying all continents were once joined in one supercontinent, Pangaea?
Chapter 7: Continental Drift and Plate Tectonics
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Answer: B. Alfred Wegener
Alfred Wegener proposed continental drift in 1912; Hess later gave the idea of sea-floor spreading.After an earthquake, which waves are recorded first on a seismograph?
Chapter 10: Earthquakes and Volcanoes
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Answer: C. P-waves (primary waves)
P-waves are the fastest seismic waves, so they reach the seismograph first.An ox-bow lake, formed when a meander is cut off from the main channel, is made by the work of:
Chapter 12: Work of Rivers and Fluvial Landforms
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Answer: B. River
An ox-bow lake is a landform made by a river's meanders.Most of the ozone in the atmosphere is concentrated in which layer?
Chapter 14: Composition and Structure of the Atmosphere
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Answer: D. Stratosphere
The ozone layer lies in the stratosphere and absorbs the Sun's ultraviolet rays.Due to the Coriolis force, winds in the Northern Hemisphere are deflected to their:
Chapter 16: Atmospheric Pressure and Winds
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Answer: A. Right
By Ferrel's law, winds turn to the right in the Northern Hemisphere and to the left in the Southern Hemisphere.What is the dew point?
Chapter 17: Humidity and Precipitation
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Answer: A. The temperature at which air becomes saturated and condensation begins
When air cools to its dew point it becomes saturated and water vapour starts to condense.When do spring tides occur?
Chapter 20: Waves, Tides and Ocean Currents
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Answer: B. On new moon and full moon days
At new moon and full moon the Sun, Moon and Earth are in a line, giving the highest tides; quarter moons give neap tides.
BA First Year (Sem 1 & 2): MCQ in other subjects
All questions are written by PadhaiNotes in our own words from the common syllabus of Maharashtra universities (NEP). Your own university's syllabus may differ a little.