Geography - Climate In India Topics
Geography - Climate In India
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quiz Questions
Q1
Which of the following thermal theories explains the origin of the Indian Monsoon as a large-scale seasonal reversal of land and sea breezes?
Dynamic Theory of Flohn
Halley's Classical Thermal Theory
Jet Stream Theory
El Nino Southern Oscillation Theory
Explanation
Sir Edmund Halley's Classical Thermal Theory (1686) posits that the monsoon is caused by the differential heating and cooling of the massive Asian landmass and the surrounding Indian Ocean.
Q2
During the summer monsoon season, the shift of the Inter-Tropical Convergence Zone (ITCZ) from the equator over India places it approximately over which geographic feature?
The Peninsular Plateau
The Ganga Plains
The Thar Desert
The Himalayan Peaks
Explanation
In summer, the ITCZ shifts northward and lies roughly parallel to the Ganga plains between 20°N and 25°N latitudes, often called the Monsoon Trough.
Q3
Which high-altitude wind system is responsible for bringing sudden winter rain and snow to northwest India?
Tropical Easterly Jet Stream
Subtropical Westerly Jet Stream
Southwest Monsoon Winds
Northeast Trade Winds
Explanation
The Subtropical Westerly Jet Stream guides Western Disturbances from the Mediterranean Sea into north and northwest India during winter.
Q4
Why does the Coromandel Coast of Tamil Nadu remain largely dry during the Southwest Monsoon season (June to September)?
It lies parallel to the Arabian Sea branch and in the rain-shadow of Western Ghats
The region lacks any significant mountain barriers
The high temperature evaporates moisture before precipitation occurs
It is affected by cold ocean currents during summer months
Explanation
The Coromandel coast lies in the rain-shadow area of the Western Ghats for the Arabian Sea branch and runs parallel to the track of the Bay of Bengal branch.
Q5
The violent pre-monsoon convective thunderstorms accompanied by torrential rain and hail in Assam and West Bengal are known by what name?
Mango Showers
Loo
Kalbaisakhi
Cherry Blossoms
Explanation
In West Bengal and Assam, these fierce local afternoon storms are called Kalbaisakhi (calamities of the month of Baisakh) or Nor'westers.
Q6
Mawsynram, the wettest place on Earth, receives exceptionally heavy rainfall primarily due to which geographical factor?
Its extreme proximity to the Indian Ocean shoreline
The funnel-shaped topography of the Khasi Hills
The thermal variations created by the surrounding tea valleys
The frequent occurrence of tropical cyclones in the region
Explanation
Mawsynram is located in the Khasi Hills, where the unique funnel-shaped arrangement of the hills forces moisture-laden Bay of Bengal monsoon winds to rise rapidly and cause heavy downpours.
Q7
Which phenomenon refers to the sudden change from the hot-dry summer season to the rainy season, characterized by fierce lightning and torrential downpours in early June?
Monsoon Break
Burst of Monsoon
Monsoon Retreat
El Nino Impact
Explanation
The sudden arrival of moisture-laden monsoon winds accompanied by violent thunder and lightning that ends the summer dry spell is termed the 'Burst of Monsoon'.
Q8
What is the primary driving mechanism behind the 'Retreating Monsoon' season in India during October and November?
The southward migration of the sun and weakening of northern low-pressure system
The sudden drop in sea surface temperatures in the Arabian Sea
The strengthening of western disturbances over the Himalayas
The arrival of high-velocity cold waves from Siberia
Explanation
The southward movement of the sun causes the low-pressure monsoon trough over northern plains to weaken, gradually replaced by a high-pressure system that drives winds from land to sea.
Q9
The phenomenon of 'October Heat' in India is primarily caused by a combination of which atmospheric conditions?
Low temperature and clear skies
High temperature and high humidity
Dry spells accompanied by cool northern winds
Frequent western disturbances and overcast conditions
Explanation
During the transitioning phase of the retreating monsoon in October, the combination of high temperatures and high humidity values makes the weather oppressive, a condition widely known as October Heat.
Q10
Which of the following describes the mechanism of a 'Monsoon Break' over the Indian subcontinent during the peak summer rainy season?
The shifting of the monsoon trough toward the Himalayan foothills
The absolute disappearance of the Somali Jet Stream
The development of an intense high-pressure cell over the Thar Desert
The sudden inversion of ocean currents in the Arabian Sea
Explanation
A monsoon break occurs when the monsoon trough shifts closer to the Himalayan foothills, causing rainfall to drop sharply over the northern plains while increasing along the mountains.