The Properties of Sea Water — Practice Quiz
Maharashtra Board · Class 9 · Geography
Try a 4-question quiz on The Properties of Sea Water for Maharashtra Board Class 9 Geography: tap an answer to check it and see why.
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What is the average temperature of seawater in equatorial areas?
At what depth does seawater temperature become uniform everywhere?
How is salinity measured?
Which region has the highest salinity?
Sample Questions
Which factors affect the surface temperature of seawater?
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Ocean currents, Rainfall, Salinity, Seasons
Ocean currents, rainfall, salinity, and seasons all affect seawater temperature. Moon phases do not directly impact sea surface temperature.
The Dead Sea has extremely high salinity because of which factors?
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Low rainfall, High evaporation, Low supply of freshwater
The Dead Sea has 332‰ salinity due to low rainfall, high evaporation, and minimal freshwater input from rivers.
Temperature of seawater decreases with increasing depth.
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True
Temperature decreases with depth because sunlight penetration decreases, making deeper waters colder.
What instruments are used to measure salinity?
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Hydrometer, Refractometer, Salinometer
Hydrometer, refractometer, and salinometer are specifically designed to measure salinity. Thermometer measures temperature.
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