Geography Topics
Undergraduate level — Geography
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filter_alt Topics
Earth Basics
Maps, Latitude & Longitude
Geomorphology
Climatology
Oceanography
Biogeography
Human Geography
Economic Geography
Environment Geography
Advanced Theories and Models
Physical Geography
Indian Geography
World Geography
Geography of Bihar
Climate & Environment
quiz Questions
Q181
The 'Gutenberg Discontinuity' defines the internal boundary between which two layers of the Earth?
Crust and Mantle
Lower Mantle and Outer Core
Outer Core and Inner Core
Upper Mantle and Lower Mantle
Explanation
The Gutenberg Discontinuity is located at a depth of about 2,900 kilometres and marks the boundary between the lower mantle and the outer core.
Q182
Which industrial town in Bihar is famously known for its oil refinery plant?
Hajipur
Barauni
Dalmianagar
Gaya
Explanation
Barauni in the Begusarai district of Bihar houses a major oil refinery under the Indian Oil Corporation, established in 1964 with Soviet collaboration.
Q183
Who formulated the 'Industrial Location Theory' based on the concept of 'Isodapanes'?
August Losch
Alfred Weber
Walter Christaller
Von Thunen
Explanation
Alfred Weber formulated the Least Cost Theory of Industrial Location in 1909, introducing 'Isodapanes' to represent lines of equal additional transportation cost.
Q184
Which of the following ocean trenches is the deepest point in the Atlantic Ocean?
Mariana Trench
Puerto Rico Trench
Sunda Trench
South Sandwich Trench
Explanation
The Puerto Rico Trench contains the Milwaukee Deep, which is the deepest point in the Atlantic Ocean with a depth of over 8,300 metres.
Q185
The lines on a map connecting points that receive an equal duration of sunshine are called what?
Isohyets
Isohels
Isonephs
Isotherms
Explanation
Isohels are lines drawn on a map connecting places that receive equal cumulative hours of sunshine over a specified duration.
Q186
Which type of soil covers the largest geographical area of Bihar?
Black Soil
Alluvial Soil
Red and Yellow Soil
Laterite Soil
Explanation
Alluvial soil covers more than 90% of the total geographical area of Bihar, deposited extensively by the Ganga river system and its tributaries.
Q187
What is the fast-flowing, narrow air current found near the tropopause called?
Trade Winds
Jet Stream
Katabatic Winds
Anabatic Winds
Explanation
Jet streams are high-altitude, fast-flowing, narrow air currents blowing from west to east near the tropopause level.
Q188
The famous 'Kakolat Waterfall' is located in which district of Bihar?
Rohtas
Nawada
Kaimur
Nalanda
Explanation
Kakolat Waterfall is a popular tourist destination located in the Nawada district of Bihar, cascading from a height of around 150 feet.
Q189
Which of the following landforms is a result of the wind's erosional activity in arid regions?
Barchans
Mushroom Rock
Loess
Sand Dunes
Explanation
Mushroom rocks (or rock pedestals) are formed by wind erosion, where the lower part of an isolated rock is eroded faster than its top.
Q190
The 'Kushwar Asthan Bird Sanctuary' is geographically situated in which district of Bihar?
Begusarai
Darbhanga
Bhagalpur
Saharsa
Explanation
Kushwar Asthan Bird Sanctuary is located in the Darbhanga district of Bihar and is an important wetland area attracting migratory birds.