ICSE Class 9th Geography 4 – The Atmosphere MCQs

A barometer measures:

Correct! Wrong!

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A barometer measures atmospheric pressure.

The hour-to-hour, day-to-day condition of the atmosphere is called:

Correct! Wrong!

The hour-to-hour, day-to-day condition of the atmosphere is called weather.

Moisture in the air is called:

Correct! Wrong!

Moisture in the air is called humidity.

____ accounts for 0.03 per cent of the atmosphere.

Correct! Wrong!

Carbon dioxide accounts for 0.03 per cent of the atmosphere.

Near which Indian territory is the Gulf of Thailand located?

Correct! Wrong!

The Gulf of Thailand is near the Andaman and Nicobar Islands, i.e. it is towards the east of Port Blair.

Air pollution is not caused by ____.

Correct! Wrong!

Air pollution is not caused by hydro-electric power plants.

The tip of Mount Everest reaches the:

Correct! Wrong!

The tip of Mount Everest is in the troposhere.

A super cyclone occurred in Orissa in:

Correct! Wrong!

A super cyclone struck Orissa on 29th October in 1999.

Microbial conversion of ammonia to nitrate is termed as ____.

Correct! Wrong!

Microbial conversion of ammonia to nitrate is termed as Nitrification and is carried out by nitrifying bacteria like Nitrosomonas and Nitrobacter.

Temperature is measured with the help of a ____.

Correct! Wrong!

A thermometer measures temperature.

Our earth is surrounded by a huge blanket of air called the:

Correct! Wrong!

Our earth is surrounded by a huge blanket of air called the atmosphere.

When water vapour rises, it starts:

Correct! Wrong!

When water vapour rises, it starts cooling.

Which of the following areas is more prone to cyclones originating in the Bay of Bengal?

Correct! Wrong!

Orrissa is more prone to cyclones originating in the Bay of Bengal.

In the cycle of energy and nutrient flow in the ecosystem, the nutrient flow ____.

Correct! Wrong!

In the cycle of energy and nutrient flow in the ecosystem, the nutrient flow is cyclic.

The ionosphere is a part of the:

Correct! Wrong!

The ionosphere is a part of the thermosphere.

When water evaporates, it becomes:

Correct! Wrong!

When water evaporates, it becomes vapour.

The direction of wind is detected with the help of a:

Correct! Wrong!

A wind vane shows the direction of wind.

Which of the following is a greenhouse gas?

Correct! Wrong!

Carbon dioxide is a greenhouse gas.

Which of the following occurs among the biotic components in an ecosystem?

Correct! Wrong!

Flow of energy and cycling of the materials are major attributes of the biotic component of the ecosystems.

Aeroplanes fly in the:

Correct! Wrong!

Aeroplanes fly in the stratosphere.

What is the percentage of nitrogen in the atmosphere?

Correct! Wrong!

Nitrogen accounts for 78 per cent of the atmosphere.

Elemental form of carbon available on earth is ____.

Correct! Wrong!

Carbon is found in various forms on the Earth. It occurs in the elemental form as diamonds and graphite.

The most plentiful gas in the air is:

Correct! Wrong!

The most plentiful gas in the air is nitrogen (78 per cent).

The third layer of the atmosphere from the ground is called the:

Correct! Wrong!

The third layer of the atmosphere from the ground is called the mesosphere.

On a humid day, clothes take ____ to dry.

Correct! Wrong!

On a humid day, clothes take longer to dry.

ICSE Class 9th Geography 4 - The Atmosphere MCQs
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