The part of the earth and thin layer of air above its surface, which support life on earth, are referred to as

World Geography
The part of the earth and thin layer of air above its surface, which support life on earth, are referred to as

stratosphere

mesosphere

biosphere

ionosphere

stratosphere

mesosphere

biosphere

ionosphere

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World Geography
The main tributaries of Indus river system are

the Jhelum, the Chenab , the Ravi

the Beas, the Sutlej

None of these

both (a) and (b)

the Jhelum, the Chenab , the Ravi

the Beas, the Sutlej

None of these

both (a) and (b)

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World Geography
The oldest rock system of the world is:

None of these

The Zircons Rock system

The Primitive Rock system

The Archaean Rock system

None of these

The Zircons Rock system

The Primitive Rock system

The Archaean Rock system

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World Geography
Which among the following statements is/are correct about the symbiotic life of Corals?Algae gives carbon dioxide and other substances the coral polyp needs.Coral polyp gives off oxygen and other nutrients that the algae needs.Select the correct code from the options given below:

Only 1

Both 1 & 2

Neither 1 & 2

Only 2

Only 1

Both 1 & 2

Neither 1 & 2

Only 2

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World Geography
The light of distant stars is affected by

both (a) and (b)

interstellar dust

None of these

the earth's atmosphere

both (a) and (b)

interstellar dust

None of these

the earth's atmosphere

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World Geography
The process where the particle moves from the surface to the medium in quick, continuous, repeated cycles is called

solution

saltation

suspension

traction

solution

saltation

suspension

traction

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World Geography

World Geography The part of the earth and thin layer of air above its surface, which support life on earth, are referred to as

World Geography The main tributaries of Indus river system are

World Geography The oldest rock system of the world is:

World Geography Which among the following statements is/are correct about the symbiotic life of Corals?Algae gives carbon dioxide and other substances the coral polyp needs.Coral polyp gives off oxygen and other nutrients that the algae needs.Select the correct code from the options given below:

World Geography The light of distant stars is affected by

World Geography The process where the particle moves from the surface to the medium in quick, continuous, repeated cycles is called

World Geography
The part of the earth and thin layer of air above its surface, which support life on earth, are referred to as

World Geography
The main tributaries of Indus river system are

World Geography
The oldest rock system of the world is:

World Geography
Which among the following statements is/are correct about the symbiotic life of Corals?Algae gives carbon dioxide and other substances the coral polyp needs.Coral polyp gives off oxygen and other nutrients that the algae needs.Select the correct code from the options given below:

World Geography
The light of distant stars is affected by

World Geography
The process where the particle moves from the surface to the medium in quick, continuous, repeated cycles is called