Deltas of eastern India are shrinking due to
1. huge amount of sediments being deposited.
2. groundwater mining.
3. construction of large dams.
Select the correct answer using the codes given below.

With reference to International Date Line (IDL), consider the following statements:
1. A traveler crossing the IDL from east to west gains a day.
2. IDL is an imaginary straight line at 180 degree meridian.
Which of the statements given above is/are correct?

Which of the following is/are examples of mountains of elevation?
1. Rockies
2. Himalayas
3. Andes
4. Alps
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The lava cone of a volcano is having steep sloping sides. Which of these can be said about the volcano?
1. the lava must have been highly fluid.
2. it must have high silica content.
3. the volcano must have been explosive.
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Which of the following is/are examples of chemical weathering?
1. frost action on rocks.
2. repeated wetting and drying.
3. oxidation of minerals in a rock
Select the correct answer using the codes given below.

Which of the following comes under the phenomena of mass movement?
1. soil creep
2. weathering
3. landslide
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The rivers in India that flows through a rift valley are
1. Luni
2. Damodar
3. Tapi
4. Betwa
Select the correct answer using the codes given below.

What could be the main reason/reasons for the formation of African and Eurasian desert belt?
1. It is located in the sub-tropical high pressure cells.
2. It is under the influence of warm ocean currents.
Which of the statements given above is/are correct in this context?

An artificial satellite orbiting around the Earth does not fall down. This is so because the attraction Of Earth

What is die difference between asteroids and comets?
1. Asteroids are small rocky planetoids, while comets are formed of frozen gases held together by rocky and metallic material.
2. Asteroids are found mostly between the orbits of Jupiter and Mars, while comets are found mostly between Venus and Mercury.
3. Comets show a perceptible glowing tail, while asteroids do not.
Which of the statements given above is/are correct?