Geography 2013 Flashcards
(42 cards)
What causes variations in the length of daytime and nighttime from season to season?
Revolution of the earth on a tilted axis
The earth’s axis is tilted 23.5 degrees, affecting daylight duration.
Where is most of the freshwater on Earth found?
Exists as groundwater
Freshwater constitutes 2.5% of total water, with only 0.3% in liquid form on the surface.
Which forces are responsible for bringing dynamic changes on the surface of the earth?
1, 2, 3, 4, 5 and 6
Includes electromagnetic radiation, geothermal energy, gravitational force, plate movements, rotation, and revolution of the earth.
What is contour bunding used for?
None of the above
Contour bunding is a soil conservation method for marginal, sloping, and hilly land.
What is the primary reason for the high annual range of temperature in the interior of continents compared to coastal areas?
Thermal difference between land and water
Continents heat and cool faster than oceans due to different specific heats.
What produces thunder during a thunderstorm?
None of the above
Thunder is produced by the explosive expansion of air due to lightning.
Which statements regarding laterite soils of India are correct?
1 and 4
Laterite soils are red in color and suitable for crops like tapioca and cashew nuts.
Which of the following are Kharif crops?
1, 2 and 3
Kharif crops include Cotton, Groundnut, and Rice.
Which by-product of the sugar industry can be used for energy generation?
Bagasse can be used as biomass fuel for the generation of energy
Bagasse is the remnant after juice extraction from sugarcane.
Which of the following uses of molasses are correct?
1 and 3 only
Molasses can be used for ethanol production and as a feedstock for synthetic fertilizers.
What is molasses?
Thick syrup resulting from refining sugarcane or sugar beets into sugar
Contains vitamin B6 and minerals like calcium, magnesium, iron, and manganese
List the primary uses of molasses
- Sweetening and flavoring foods
- Major constituent of fine commercial brown sugar
- Used in baking and cooking
- Producing ethanol
- Prime ingredient in distillation of rum and brewing beer
- Cattle feed
Which industry is the maximum consumer of water in India?
Thermal power
Accounts for 88% of total industrial water use
What types of thermal power plants are primarily used in India?
- Coal
- Gas
- Liquid-fuel based
What are the characteristics of Indian coal?
- High ash content (25-45%)
- Low sulphur content
- High ash fusion temperature (about 1,500°C)
How is coal classified based on carbon content?
- Anthracite
- Bituminous
- Lignite
- Peat
Where does mica occur in abundance?
Kodarma
Located in Jharkhand
Which mineral is a major insulator used in electrical and electronics industry?
Mica
What percentage of the world’s mica does India produce?
60%
What is the primary function of Indian Strategic Petroleum Reserves Limited (ISPRL)?
Maintaining the country’s strategic petroleum reserves
Which river flows through Corbett National Park?
Ramganga
Why does the Narmada river flow westward?
It occupies a linear rift valley
What is unique about the Narmada river compared to most peninsular rivers?
It is a perennial river
Which national park is known for its floating national park?
Keibul Lamjao National Park
