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1. Planet earth is also known as _____?
A. A.) Blue planet
B. B.) Black planet
C. C.) Green planet
D. D.) Yellow planet
2. From how many years water cycle has been functioning?
A. A.) Crore years
B. B.) Million years
C. C.) A thousand years
D. D.) A hundred years
3. All forms of life on earth depend on which of the following?
A. A.) Water
B. B.) The sun
C. C.) The night
D. D.) Plants
4. Which two of the following elements are important for life on earth?
A. A.) Forest, tree
B. B.) Land, mineral
C. C.) Air, water
D. D.) Air, tree
5. Out of the following, what percentage of the water found on earth is found in the oceans?
A. A.) 71 percent
B. B.) 2 percent
C. C.) 7 percent
D. D.) 1 percent
6. What percentage of the following water that falls on the ground goes to the atmosphere through oceans and evaporation elsewhere?
A. A.) 59 percent
B. B.) 5 percent
C. C.) 9 percent
D. D.) 14 percent
7. Which two of the following forms water crisis?
A. A.) Spatial and temporal
B. B.) Permanent and manmade
C. C.) Incremental and local
D. D.) None of the above
8. In which five oceans is the earth’s oceanic area divided?
A. A.) Himalaya, pacific, Atlantic, Indian, arctic
B. B.) Ganges, Atlantic, Indian, southern ocean, arctic
C. C.) Pacific, Atlantic, Indian ocean, southern ocean, arctic
D. D.) Pacific, Atlantic, ganges, pacific, arctic
9. Where are the ridges, hills, sea dunes, submerged islands, trenches and ravines etc.) Are found?
A. A.) In the sea
B. B.) On the ocean plains
C. C.) On the mountain
D. D.) None of the above
10. What is average width of continental shelf?
A. A.) 4 kilometers
B. B.) 70 kilometers
C. C.) 8 kilometers
D. D.) 80 kilometers
11. Which of the following shelves is the largest in the world?
A. A.) Antarctic shelf
B. B.) Siberian shelf
C. C.) Indian shelf
D. D.) Pacific shelf
12. What is the width of siberian shelf?
A. A.) 1500 km
B. B.) 500 km
C. C.) 1000 km
D. D.) 105 km
13. What connects the ocean basins and continental shelf?
A. A.) Trenches
B. B.) Continental shield
C. C.) Canyons
D. D.) None of the above
14. Which of the following is the depth of the shield region in meters?
A. A.) Between 200m and 3000m
B. B.) Between 100 m and 200 m
C. C.) Between 400m and 30m
D. D.) Between 8m and 9m
15. Which of the following plains is the smoothest and flattest part of the universe?
A. A.) Deep oceanic plains
B. B.) Kenyan
C. C.) Shelf
D. D.) Shield
16. What is filled in deep oceanic plains?
A. A.) Silt and clay
B. B.) Stone
C. C.) Igneous rock
D. D.) Silt
17. Which of the following is the depth of the deep ocean floor?
A. A.) 3000 to 6000 m
B. B.) 4000 to 2000 m
C. C.) 1000 to 2000 m
D. D.) 5000 to 6000 m
18. Which of the following troughs are important for the study of plateau flow?
A. A.) Oceanic trough
B. B.) Smooth soil
C. C.) The deceased
D. D.) Gad
19. How many troughs are discovered till now?
A. a) 57 troughs
B. b) 58 troughs
C. c) 5 troughs
D. d) 8 troughs
20. How many of the following troughs were discovered in the pacific ocean?
A. A.) 32 troughs
B. B.) 30 troughs
C. C.) 20 troughs
D. D.) 10 troughs
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