subject

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.
Explain the impact of climate change on the hydrosphere.
Explain the impact of water pollution on the hydrosphere.
Explain the main stages of the water cycle.
Explain the term 'aquifer'.
Explain the term 'hydrological drought'.
Explain the term 'runoff' in the context of the hydrological cycle.
Explain the term 'salinity' and mention its average value in the world's oceans.
Name the largest reservoir of freshwater on Earth.
Name the process by which plants release water vapor into the atmosphere.
Name two major rivers of the peninsular region of India.