Que-Ans: [2 Marks Each]

Question 12 Marks

Low pressure prevails over equatorial region.

Answer

Twelve months in the equatorial region, the sun's rays fall directly on the heat.

The air swells with heat.

Becomes thinner, occupies more space and climbs up.

So there is a slight pressure of air.

In addition, the equatorial region consists mainly of oceans and dense forests on land.

Due to the intense heat of the sun, water evaporates on a large scale for many months and evaporation takes place in the forests.

So the air here is very humid.

It also lowers the air pressure.

Thus, there is a slight pressure of air in the equatorial regions for many months.

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Question 22 Marks

Malabar coast gets heavy rain.

Answer

Southwest monsoon winds along the Malabar Coast in South India cause more rainfall during the monsoon.

At the same time, the northeast monsoon winds along the Malabar Coast in the winter are humid as they come over the Bay of Bengal.

So it rains in Malabar on the east coast of South India.

Thus, as both the monsoon and winter seasons receive rainfall, the Malabar Coast receives more rainfall.

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Question 32 Marks

Coromandel coast in Tamil Nadu gets rain in winter.

Answer

In winter, some parts of Asia get cold quickly.

Hence heavy air pressure centers are formed in these areas.

The water bodies near it are relatively warm at this time.

Hence light pressure centers are formed here.

As a result, in winter there is wind from land areas to sea areas.

These winds come from the northeast corner of South and Southeast Asian countries.

Hence they are called northeast angular seasonal winds.

Since these winds come from land areas, they have very low humidity.

Hence they do not give special rain.

But some photos of the northeast angular seasonal winds passing over the ocean, becoming humid and raining.

For example, in the Coromandel on the east coast of India and in the northern part of Sri Lanka, the northeast monsoon winds passing through the Bay of Bengal in the period of December to January give most of the year rainfall.

As such, it rains in winter along the coast of Coramandal in Tamil Nadu.

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Question 42 Marks

. Explain about polar winds.

Answer

These winds are y in both hemispheres from polar high pressure belt to polar low pressure belt.
Thus, the wind from the polar is as the polar wind.
Polar winds blow from north-east to south-west in the northern hemisphere and from south-east to north-west in the southern hemisphere.
The winds from the poles are very cold.
As a result of the territories through which it passes.
There is a cold wave again.
The ability to retain moisture in these cold winds is not special so these winds do not give rain.
Winds coming from the poles converge with relatively warm winds in the temperate zone.
This is where cyclone and anti-cyclone conditions are created.

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Question 52 Marks

Land waves are y at night.-Explain.

Answer

During the day the heat of the sun warms the land more than the water of the sea.
As a result, the air on the ground heats up and becomes thinner and lighter.
To take its place the relatively cool and heavy air of the sea comes towards the land.
Thus, the waves of the land are y during the day and y at night.

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Question 62 Marks

East winds are known as "commercial winds". -Explain.

Answer

In ancient times, sailing vessels were used in trade by sea.
The speed of the wind filling the sails of the ship, and the ships moving according to the direction
Thus, the easterly winds affecting trade have been known as trade winds ever since.

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Question 72 Marks

High Pressure Belt forms on the poles.

Answer

The polar region receives very little heat due to the sun's rays being very oblique.
As such, it stays cold for many months, resulting in thick and heavy air.
In addition, the glacial surface of the ice in the icy regions of the Polar Regions reflects partial sun exposure.
As a result the temperature there becomes very low.
Hence, High Pressure belt forms all year round in the Polar region.

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Geography Que-Ans: [2 Marks Each]

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