Hydrosphere
Geography ⇒ Physical Geography
Hydrosphere starts at 7 and continues till grade 12.
QuestionsToday has an evolving set of questions to continuously challenge students so that their knowledge grows in Hydrosphere.
How you perform is determined by your score and the time you take.
When you play a quiz, your answers are evaluated in concept instead of actual words and definitions used.
See sample questions for grade 12
Define the term 'hydrosphere' and explain its significance in the Earth's system.
Describe the importance of wetlands in the hydrosphere.
Describe the process of desalination and its importance.
Describe the role of ocean currents in global climate regulation.
Describe the role of the hydrosphere in regulating Earth's temperature.
Distinguish between surface water and groundwater.
Explain the concept of water table and factors affecting its level.
Explain the difference between a river basin and a watershed.
What percentage of the Earth's surface is covered by water? (1) 51% (2) 61% (3) 71% (4) 81%
Which of the following factors does NOT affect the salinity of ocean water? (1) Evaporation (2) Precipitation (3) Latitude (4) Wind speed
Which of the following is a major cause of groundwater depletion in India? (1) Over-irrigation (2) Industrial use (3) Urbanization (4) All of the above
Which of the following is a method of rainwater harvesting? (1) Rooftop collection (2) Drip irrigation (3) Flood irrigation (4) Sprinkler system
The Ganga-Brahmaputra delta is also known as the ________ delta.
The process by which water changes from liquid to vapor is called ________.
The process by which water seeps into the ground is called ________.
The process of water changing from vapor to liquid is called ________.
State whether the following statement is true or false: Oceans contain about 97% of the Earth's water.
State whether the following statement is true or false: The Caspian Sea is the largest freshwater lake in the world.
State whether the following statement is true or false: The Indian Ocean is the smallest ocean in the world.
True or False: Groundwater is a renewable resource if used sustainably.
