Rainfall Distribution
Rainfall Distribution
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quiz Questions
Q1
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.
Q2
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.
Q3
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.
Q4
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.
Q5
According to the Koeppen climate classification, which symbol represents the monsoon type climate with a short dry summer season found along the western coast of India?
As
Amw
Aw
Bshw
Explanation
The 'Amw' symbol denotes a tropical monsoon climate with a short dry season, characteristic of the West Coastal Plains, Tripura, and the Andaman and Nicobar Islands.
Q6
Which branch of the southwest monsoon is responsible for delivering heavy precipitation to the Arakan Yoma hills in Myanmar and subsequently northeastern India?
Arabian Sea Branch
Bay of Bengal Branch
South-East Equatorial Current
Somali Current Branch
Explanation
The Bay of Bengal branch strikes the coast of Myanmar and parts of southeast Bangladesh, where it is deflected by the Arakan Yoma mountains towards northeast India and the Ganga plains.
Q7
The pre-monsoon rainfall known as 'Mango Showers' is highly beneficial for the early ripening of mangoes in which group of states?
Punjab and Haryana
Karnataka and Kerala
West Bengal and Assam
Rajasthan and Gujarat
Explanation
Mango showers are pre-monsoon showers that occur towards the end of the summer season in Karnataka and Kerala, aiding in the ripening of mangoes.
Q8
The winter precipitation in northwestern India is highly beneficial for which of the following agricultural crops?
Rice
Wheat
Cotton
Jute
Explanation
Winter rain caused by Western Disturbances is crucial for Rabi crops, especially Wheat, in states like Punjab, Haryana, and Western Uttar Pradesh.
Q9
Which of the following meteorological stations in India records a distinct winter rainfall maximum, primarily from the Northeast Monsoon?
Mumbai
Chennai
Kolkata
New Delhi
Explanation
Chennai, located on the Coromandel Coast, receives the majority of its annual rainfall between October and December from the retreating/northeast monsoon winds picking up moisture from the Bay of Bengal.
Q10
Why does the western slope of the Western Ghats receive vastly more rainfall than the eastern slope (Deccan Plateau)?
The eastern slope lacks vegetation cover altogether
The western slope forces orographic precipitation while the eastern slope is a rain-shadow zone
The eastern slope experiences higher atmospheric pressure cells all year round
Cold maritime currents only affect the western shoreline
Explanation
The western slope acts as an orographic barrier to the Arabian Sea branch of the southwest monsoon, forcing the air to rise and condense, while the eastern side sits in the dry rain-shadow zone.