Important Questions (Part - 4) - World Geography UPSC Notes | EduRev

Important Questions

Question 1. Where is the Blacknecked Crane seen in India?
 Answer: Ladakh

Question 2. Where did the first recorded incident of release of hazardous waste occur in India?
 Answer: Monghyr

Question 3. What percentage of land in India is under forest cover?
 Answer: About 14 per cent

Question 4. The Mussoorie hills of the Doon valley in Uttar Pradesh are being destroyed by:
 Answer: Quarries

Question 5. Which aquatic animal has been released on a large scale in the Ganga to rid it of waste flesh?
 Answer: Turtle

Question 6. What fraction of land in India is lying waste as a result of environmental problems?
 Answer: one-third

Question 7. Where is the National Museum of Natural History located?
 Answer: New Delhi

Question 8. Why is the Silent Valley so called?
 Answer: It is silent during night

Question 9. Which river serves the largest cultivable area?
 Answer: Ganga

Question 10. Which Indian State has named all its tourist resorts after birds?
 Answer: Haryana

Question 11. The distance of the Earth from the Sun is about _____
 Answer: 149 million km.

Question 12. The sun comprises _____% of the total matter of the solar system.
 Answer: 99.86

Question 13. The permanent tilt of the Earth’s axis and the revolution of the Earth in its orbit together cause _____
 Answer: Varying lengths of day and night at different times of the year.

Question 14. The Earth’s axis always points in the same direction in the sky to _____
 Answer: The Pole star.

Question 15. The Earth is permanently tilted to its orbital plane at an angle of _____
 Answer: 66-1/2°

Question 16. At the summer solstice in the Northern Hemisphere, _____ latitudes will have the longest night.
 Answer: 66°S

Question 17. When the Sun is vertically overhead along the Tropic of Capricorn at midday, _____
 Answer: Night is equal to 24 hours at the North pole.

Question 18. 1° of longitude represents _____
 Answer: 111 kms along the equator.

Question 19. ‘Great Circles’ can extend in _____
 Answer: any direction.

Question 20. The ‘International Date Line’ is _____
 Answer: the line at which a day is lost or gained.

Question 21. To avoid confusion the world is divided into _____
 Answer: 24 belts, each 15° of longitude wide.

Question 22. The Northern Hemisphere receives its maximum and minimum amount of solar radiation during _____
 Answer: June and December respectively.

Question 23. Which is referred to as ‘Land of the Midnight Sun’?
 Answer: In summer the region north of the arctic circle.

Question 24. Canada and the USA have _____
 Answer: Five time zones.

Question 25. The stratification of sedimentary rocks is caused mainly by _____
 Answer: The deposition of rock particles in layers.

Question 26. A rift valley is formed mainly because of the _____
 Answer: Forces of tension in the Earth’s crust.

Question 27. The ‘Cigar’ shaped planetary system confirms to the __
 Answer: Tidal Hypothesis.

Question 28. Binary Star Hypothesis was given by _____
 Answer: Russel and Littleton.

Question 29. Movements occurred in Palaeozoic Era are _____
 Answer: Taconian, Caledonian, Armonican, Variscon.

Question 30. The ‘Deccan Lava Region’ was formed during _____
 Answer: Cretaceons period.

Question 31. The ‘Transverse waves’ are _____
 Answer: ‘S’ waves.

Question 32. Which pair is ‘incorrect?
    (a) Conrad Discontinuity—Between Sial and Sima.
    (b) Mohorovicic    Discontinuity—Between Crust and Mantle.
    (c) Repetti Discontinuity—Between Upper Mantle and Lower Mantle.
Answer: None.

Question 33. Asthenosphere is _____
 Answer: the layer beneath the lithosphere.

Question 34. Who used the term ‘Isostasy’ (equal standing) for the first time?
 Answer: Dutton.

Question 35. ‘Continental drift’ refers to _____
 Answer: the horizontal movement of the continents on a vast scale.

Question 36. The idea of Continental drift was developed in America by _____
 Answer: F.B. Taylor.

Question 37. The Wegener’s Hypothesis is associated with _____
 Answer: The continental drift.

Question 38. The hypothesis of ‘sea-floor spreading’ was first formulated by _____
 Answer: Prof. Harry Hess of Princeton University.

Question 39. In the hypothesis of ‘plate-tectonics’, it is assumed that the earth is composed of _____
 Answer: 20 litospheric plates.

Question 40. If the time at Greenwich is 6.00 A.M., what is the longitude at which the time is 2 A.M.?
 Answer: 60°

Question 41. If the time at the Greenwich is 10.00 P.M. on April 20, what is the longitude of the place where the time is 8 A.M. on April 21?
 Answer: 150°E

Question 42. Gabbro is an example of _____
 Answer: Extensive rocks.

Question 43. Lava-obsedian is an example of _____
 Answer: Igneous rocks.

Question 44. The ‘Batholiths’ covering small areas are called _____
 Answer: Stocks.

Question 45. ‘Boss’ is _____
 Answer: the Magma after cooling is not parallel to the layers around it and makes an angle with them.

Question 46. Which pair is incorrect?
    (a) Loess—Wind-borne sedimentary rocks.
    (b) Till—Ice-deposited sedimentary rocks.
    (c) Breccia—Sedimentary rocks formed because of the process of comenation.
Answer: None.

Question 47. Which pair is incorrect?
    (a) Conglomerate—Mechanically formed sedimentary rocks.
    (b) Coal—Organically formed sedimentary rocks.
    (c) Saltpetre—Chemically formed sedimentary rocks.
Answer: None.

Question 48. Which feature may occur when lava cools at the surface?
 Answer: Basalt plateau.

Question 49. An intrusion of magma along a bedding plane is called____
 Answer: Sill.

Question 50. When a mass of magma cuts across the bedding plane, then it is called _____
 Answer: Dyke.