Questions Paper EARTH SCIENCE OLYMPIAD Set 1

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1. What is the thickness of the Earth’s atmosphere?
a. 100 km         b. 50 km         c. 10 km         d 1000 km
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A

2. What is the third largest constituent of Earth’s atmosphere?
a. Oxygen         b. Nitrogen         c. Argon         d. Krypton
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C

3. What is the largest constituent of the atmosphere of Venus and Mars?
a. Oxygen         b. Nitrogen         c. Argon.         d. Carbon-dioxide
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D

4. What is the maximum water vapour content of Earth’s atmosphere?
a. 100%         b. 50%             c. 25%         d. 3%
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D

5. What is the typical monsoon rainfall over India?
a. 100cm         b. 50cm         c. 100mm         d. 50mm
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A

6. Which of the following states receives the maximum monsoon rainfall?
a. Meghalaya         b. Kerala         c. Tamil Nadu         d. Karnataka
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A

7. Western disturbance occurs during…
a. March         b. June             c. August         d. September
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A

8. Most depression that causes rain over the Indo-Gangetic belt form in the
a. Southern Bay of Bengal             b. Northern Bay of Bengal
c. Southern Arabian Sea             d. Northern Arabian Sea
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B

9. An anemometer measures
a. rainfall         b. humidity         c. wind speed         d. wind direction
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C

10. Sun emits maximum power at the wavelength of
a. green         b. blue             c. red             d. ultraviolet
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A

11. The average value of the Solar Constant is
a. 1400 W/m2         b. 1300 W/m2         c. 1360 W/m2         d. 1460 W/m2
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C

12. Wien’s displacement law is useful in calculating the
a. Surface temperature of stars             b. total power radiated by stars
c. core temperature of stars             d. Planck’s constant
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A

13. Power radiated by a star is proportional to the ______ power of its surface temperature
a. First             b. second         c. third         d. fourth
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D

14. Typical glaciated forms are
a. Cuestas and hogbacks             b. Horns and Arêtes
c. Alluvial fans and cones             d. Strath and fill terraces
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B

15. A small flat-topped hill bounded by cliffs is known as
a. Plateau         b. Terrace         c. Mesa         d. Abrasion platform
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C

16. Given the same climatic conditions, drainage density values will be lowest on
a. Shale         b. Phyllite         c. Granite         d. Gabbro
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D

17. Sea cliffs are not associated with
a. Shore platform     b. Caves         c. Natural Arches     d. Pediments
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D

18. A broad, flat area of desert covered with wind-swept sand with little or no vegetative cover is
a. Hamada         b. Bajada         c. Erg             d. Playa
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C

19. The Dead Sea, Lake Tanganyika and Lake Nyasa (Malawi) are examples of
a. Volcanic lakes                            b. Lakes formed by landslides
c. Lakes of tectonic origin             d. Artificial lakes
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C

20. Frost action is a type of
a. Physical weathering                 b. Chemical weathering
c. Biological weathering             d. Bio-chemical weathering
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A
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