Question : Depression formed due to deflating action of winds are called
Option 1: Playas
Option 2: Yardang
Option 3: Ventifacts
Option 4: Sand dunes
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Correct Answer: Yardang
Solution : The correct option is Yardang.
Yardangs are geological formations generated in dry or desert locations by the deflating effect of wind. They are the consequence of abrasive wind-blown particles selectively eroding soft or easily erodible sedimentary material. When prevailing winds erode weaker areas of the terrain repeatedly, they form elongated, parallel ridges and troughs, with the ridges formed of more resistant material. Yardangs, which are significant structures in desert landscapes of varied sizes and shapes, are often orientated in the direction of prevailing winds and provide unique insights into the erosional processes forming arid settings.
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Question : Polar easterlies are which kind of winds?
Option 1: Seasonal winds
Option 2: Permanent winds
Option 3: Sea storm
Option 4: Local winds
Question : Which of the following winds is called anti-trade wind ?
Option 1: Chinook
Option 2: Cyclone
Option 3: Typhoon
Option 4: Westerlies
Question : The mountain formed on the earth crust due to tension is called
Option 1: Young folded mountains
Option 2: Old folded mountains
Option 3: Laccolith mountains
Option 4: block mountains
Question : Which of the following is correctly matched?
Option 1: Kalbaisakhi - Autumn winds
Option 2: Trade winds - Winter snowstorm
Option 3: Loo - Hot wind
Option 4: Loo - Winter stormy winds
Question : Hot, dry winds blowing in the Northern plain in India are known as _______.
Option 1: North Easterly winds
Option 2: Westerlies
Option 3: Loo
Option 4: Norwesters
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