World Geography

World Geography
The longest era of the classification of the history of earth is

Pre-Cambrian era

Palaeozoic era

Mesozoic era

Cainozoic era

Pre-Cambrian era

Palaeozoic era

Mesozoic era

Cainozoic era

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World Geography
Which among the following statements is/are correct about the Thermosphere?It lies upto an altitude of 80 km from the earth’s surface.It contains electrically charged particles known as ions.The temperature here starts increasing with heights.The International Space Station and other satellites orbit in this layer.Select the correct code from the options given below:

Only 2, 3 & 4

1, 2, 3 & 4

Only 3 & 4

Only 1, 3 & 4

Only 2, 3 & 4

1, 2, 3 & 4

Only 3 & 4

Only 1, 3 & 4

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World Geography
The largest dune files are found in

None of these

both (a) and (b)

North Africa

Middle East

None of these

both (a) and (b)

North Africa

Middle East

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World Geography
Which among the fluvial landforms are also called as sandbars, sandbanks or gravelbars?

Delta

Shoal

Backswamp

Ait

Delta

Shoal

Backswamp

Ait

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World Geography
What are secondary mineral deposits formed in caves called?

Speleothems

Pyroclastic debris

Speleogenesis

Ejecta Blanket

Speleothems

Pyroclastic debris

Speleogenesis

Ejecta Blanket

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World Geography
The production of wheat has increased mainly due to

increase in area under wheat

increase in prices

increase in demand for wheat

increase in yield per hectare

increase in area under wheat

increase in prices

increase in demand for wheat

increase in yield per hectare

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