ICSE ICSE Class 7 - CISCE Question Bank Solutions for Geography

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The distance between two points along a straight line can be measured by this method

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In this fraction, the numerator is always 1.

Discuss the importance of the different layers of the atmosphere?

State whether the following is true or false.

The numerator in a Representative Fraction expresses the actual distance between two places on the ground.

What would happen to the earth if the atmosphere disappeared?

State whether the following is true or false.

The distance along a curved line is measured by a ruler.

We often leave the lights switched on and fans running when we are not in the room. We switch on the air-conditioning even though we don’t really need it. We insist on being dropped to school in the car every day. Thus, we waste valuable energy which is generally produced by burning coal and petroleum. As you know, the burning of these fuels release gases that pollute the atmosphere.
Make a list of the similar things that we do without realizing that we are destroying the environment. Think of the ways that we can behave differently.

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______ per cent of the atmosphere is made of nitrogen.

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The rate at which the temperature drops in the ____________ is 1°C per 165 metres.

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The _________________ is the layer of the atmosphere that help in radio transmission.

The upper part of the thermosphere is called the ______.

Describe the method by which the distance on a curved line is measured.

How is a distance on a map measured by a piece of twine?

Match the following.

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This per cent of the atmosphere is composed of nitrogen.

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21 per cent of the atmosphere is composed of

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This gas protects us from the harmful ultraviolet radiation.

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The rate at which the temperature drops in the troposphere is called

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This layer of the atmosphere has the lowest temperature.

Collect rainfall data from the website of the Indian Meteorological Department (IMD) for Mumbai, Chennai, Delhi, and Kolkata and discuss how rainfall patterns have changed in the last 5 years.