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Hydroshpere
Class 9
Exercise/MCQ Set 1
Hydrosphere Class 9 ICSE MCQ
1. Hurricanes which occur off the coast of United States are a result of the ______ Gulf Stream mingling with the _______________ Labrador Current.
warm, warm
cold, cold
warm, cold
cold, warm
2. ________________ helps ships to locate icebergs in the darkness of dense fogs.
Radar
Radio
Lunar
Sonar
3. The waters of the Oyashio Current originate in the _______________
China Sea
Indian Ocean
Arctic Ocean
Pacific Ocean
4. What is the position of the sun and the moon during a low tide?
at opposite sides of the Earth
90º
in the same line
180º
5. An underground water stream that is saturated with water and transmits water readily is known as ______________
aquifer
trough
underground water
bedrock water
6. High tide is formed at the opposite end f the earth simultaneously because of the _____________ force of the _______________ force of the moon.
centrifugal, gravitational
gravitational, centrifugal
centrifugal, perpendicular
centripetal, gravitational
7. Black Stream is another name for _____________
Brazil Current
Tsushima Current
Oyashio Current
Kurashio Current
8. A concentration of between 5 to 6 million tonnes of uranium passes through the _________________ every year.
Brazil Current
Tsushima Current
Oyashio Current
Kurashio Current
9. Every tide center takes ______________ to come under the moon.
24 hrs 52 mins
12 hrs 26 mins
12 hrs 26 mins
24 hrs 26 mins
10. Where does the Labrador Current meet the Gulf Stream?
South of Cape Cod
East coast of Nova Scotia
south-east coast of Newfoundland
north of the Outer Banks of North Carolina
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