Geography - Climate In India Topics
Geography - Climate In India
Choose question count and time — session stays in your browser only.
filter_alt Topics
quiz Questions
Q121
The dynamic low-pressure system over North-West India that initiates the Southwest Monsoon is structurally supported by the intensification of which high-pressure cell at 30 degrees South latitude?
The Azores High
The Mascarene High
The Siberian High
The Hawaiian High
Explanation
The Mascarene High, located near Madagascar at around 30°S latitude, acts as the southern anchor of the monsoon system, driving cross-equatorial winds toward India.
Q122
Which of the following mountain systems forces the Arabian Sea branch of the monsoon to release massive orographic rainfall along the coastal strip of western India?
The Eastern Ghats
The Western Ghats
The Satpura Range
The Vindhyan Range
Explanation
The Western Ghats stand as a continuous orographic barrier perpendicular to the path of the Arabian Sea monsoon branch, forcing heavy windward precipitation.
Q123
The dynamic retreat of the Southwest Monsoon from Northern India during October is characterized by the rapid replacement of the monsoon trough with which atmospheric feature?
An intense tropical low-pressure cell
A continental high-pressure system
An active westerly jet convergence corridor
A warm maritime cyclonic vortex
Explanation
As temperatures drop in autumn, the low-pressure monsoon trough weakens and retreats southward, replaced by a dry continental high-pressure system over North India.
Q124
According to the Koeppen climate classification, the abbreviation 'Amw' signifies a climate type found along the Malabar Coast. What does the letter 'm' structurally represent?
Maritime dominant tracking
Monsoon climate with a short dry season
Mountain shadow zone dynamic
Moderate moisture index thermal setup
Explanation
In Koeppen's system, 'A' stands for tropical, 'w' for dry winter, and 'm' specifically signifies a monsoon type with a short dry season despite heavy seasonal rainfall.
Q125
The pre-monsoon convective thunderstorms in East India, called Nor'westers, derive their high velocity and destructive nature from the convergence of warm moist air with cold dry air masses descending from where?
The Arabian Sea surface layer
The Chota Nagpur Plateau or mountain gaps
The Maldives Equatorial current core
The Thar Desert thermal plume
Explanation
Nor'westers develop when hot, humid air from the Bay of Bengal collides with cold, dry air masses originating over the Chota Nagpur Plateau or the Himalayas.
Q126
Which tracking metric tracks the pressure difference between the western Indian Ocean and the southeastern Pacific Ocean to establish long-range forecasting models for Indian rain?
The Findlater Wind Velocity Index
The Southern Oscillation Index (SOI)
The Somali Low Jet Depth score
The Mascarene Core Pressure Gradient
Explanation
The Southern Oscillation Index (SOI) measures the normalized pressure difference between Tahiti (Pacific) and Darwin (Australia/Indian Ocean margins) to assess global ENSO conditions.
Q127
During El Niño conditions, why does the moisture-laden southwest monsoon wind flow across the Arabian Sea display a typical decrease in strength?
The Coriolis effect drops to absolute zero over India
The Walker Circulation shifts, causing atmospheric subsidence over India
The Himalayan heights decrease thermally in summer months
The Palk Strait experiences an immediate freeze
Explanation
El Niño disrupts the global Walker Circulation, inducing an abnormal sinking air pattern (subsidence) over the Indian Ocean that weakens the land-sea pressure gradient.
Q128
The winter rain brought to northwestern plains by Western Disturbances originates over which distant maritime basin?
The South China Sea
The Mediterranean Sea
The Sea of Japan
The Tasman Sea Core
Explanation
Western Disturbances are extra-tropical storms that originate over the Mediterranean Sea and travel eastward across West Asia to enter northwest India.
Q129
The dynamic low-pressure system over North-West India that initiates the Southwest Monsoon is structurally supported by the intensification of which high-pressure cell at 30 degrees South latitude?
The Azores High
The Mascarene High
The Siberian High
The Hawaiian High
Explanation
The Mascarene High, located near Madagascar at around 30°S latitude, acts as the southern anchor of the monsoon system, driving cross-equatorial winds toward India.
Q130
Which of the following mountain systems forces the Arabian Sea branch of the monsoon to release massive orographic rainfall along the coastal strip of western India?
The Eastern Ghats
The Western Ghats
The Satpura Range
The Vindhyan Range
Explanation
The Western Ghats stand as a continuous orographic barrier perpendicular to the path of the Arabian Sea monsoon branch, forcing heavy windward precipitation.