Geography 2014 Flashcards
(56 cards)
Which phenomena might have influenced the evolution of organisms?
Both 1 and 2
1: Continental drift 2: Glacial cycles
What is the continental drift theory?
The hypothesis that the Earth’s continents have moved over geologic time relative to each other
What was Pangea?
A single continental mass that existed before splitting into Laurasia and Gondwanaland
What is a glacial period?
An interval of time marked by colder temperatures and glacier advances
What is soil erosion?
The removal of the topmost fertile layer of soil through wind or water
What are some causes of soil erosion?
- Over-grazing
- Deforestation
- Action of wind, water, glacier
- Faulty agricultural methods
- Anthropogenic factors
What is terrace farming?
An agricultural practice on steep slopes that involves constructing flat layers to control soil conservation
What are the advantages of terrace farming?
- Improved land productivity
- Increased food security
- Maximized crop production
- Prevention of soil erosion
What is deforestation?
The removal of a forest or stand of trees from land converted to non-forest use
Which climate is characterized by a seasonal reversal of winds?
Monsoon climate
What is the basic cause of monsoon climates?
The difference in the rate of heating and cooling of land and sea
What is maize used for?
- Production of starch
- Feedstock for biodiesel
- Production of alcoholic beverages
What is the Sustainable Sugarcane Initiative?
A credit plus approach by NABARD that integrates drip irrigation systems in sugarcane cultivation
What are the benefits of the Sustainable Sugarcane Initiative?
- Low seed cost
- Effective drip irrigation
- No chemical inorganic fertilizers
- More scope for intercropping
Which region is Kinnaur known for?
It is known for apples, not Areca nut
What is the Drought-Prone Area Programme?
A program under the Ministry of Rural Development aimed at mitigating the impacts of drought
What is the Integrated Watershed Management Programme?
A flagship programme aimed at restoring ecological balance by conserving and developing degraded natural resources
What pairs of islands are separated by the Ten Degree Channel?
Andaman and Nicobar
Which tiger reserve is located in Mizoram?
Dampa Tiger Reserve
Which of the following is not correctly matched? Kinnaur: Areca nut
Not correctly matched
What is the primary occupation in Mewat?
Agriculture along with allied and agro-based activities
What is the outcome of the Integrated Watershed Management Programme?
- Prevention of soil runoff
- Rainwater harvesting
- Regeneration of natural vegetation
Where is the Dampa tiger reserve located?
Mizoram
Dampa Tiger Reserve covers an area of about 500 km² in the Lushai Hills.
In what year was the Dampa tiger reserve declared a tiger reserve?
1994
Dampa is part of Project Tiger.