UPSC  Geography

11. Punjab and haryana exploit more than 85% of ground water for irrigation. This is due to:
1. low surface water availability.
2. impact of Green revolution.
3. change in cropping pattern with an increased preference for rice.
Select the correct answer using the codes given below.

1 and 2 only 1 and 3 only 2 and 3 only 1, 2 and 3

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12. The seismic weaves helps in understanding the interior of earth. Which of the following about seismic waves is/are correct ?
1. P waves travel with fastest speed and are most destructive.
2. S waves cannot pass through liquid.
3. The surface waves (L) are analogous to light waves.
Select the correct answer using the codes given below.

1 and 2 only 2 only 2 and 3 only 1 and 3 only

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13. Consider the following statements :
1. A positive Southern Oscillation Index (SOI) indicates a good Indian monsoon.
2. A negative SOI is often seen in the El-Nino years.
Which of the statements given above is/are correct ?

1 only 2 only Both 1 and 2 Neither 1 nor 2

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14. Igneous rocks are also caused primary rock because

They are formed due to cooling and solidification of magna They were the first rock to originate during formation of earth `s crust All other rocks are subsequently formed from igneous rock Both b. and c.

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15. The saline soils can be reclaimed by
1. providing good drainage.
2. applying lime or gypsum.
3. cultivating salt resistant crops.
Select the correct answer using the codes given below.

1 and 2 only 1 and 3 only 2 and 3 only 1, 2 and 3

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16. Generally saline lakes are found in semi-arid/ arid regions because

Large number of crustaceans make water salty. Rate of evaporation is very high in these regions. Both a. and b. None

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17. With reference to plate margins, consider the following statements :
1. New oceanic crust is continuously formed at convergent plate margins.
2. At divergent plate margin crust is neither created nor destroyed.
Which of the statements given above is/are correct ?

1 only 2 only Both 1 and 2 Neither 1 nor 2

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18. The “land not available for cultivation” under land use categories includes
1. lands used for settlement.
2. barren lands like deserts.
3. fallow lands
4. grazing lands.
Select the correct answer using the codes given below.

1 and 2 only 1 and 3 only 2 and 3 only 1 and 4 only

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19. With reference to weathering, consider the following statements :
1. Weathering involves large-scale transport of weathered materials.
2. Weathering is a static process.
Which of the statements given above is/are correct ?

1 only 2 only Both 1 and 2 Neither 1 nor 2

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20. Which of these pairs about rivers and their tributaries are correctly matched ?
1. Purna : Narmada
2. Tungabhadra : godavari
3. Betwa : Yamuna
Select the correct answer using the codes given below.

1 only 1 and 3 only 3 only 2 and 3 only

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