If you are looking for TN Board Class 8 Geography Unit 3 Hydrological Cycle, then you are at the right place. Here we are providing solutions as well as additional QA / Important Notes.
I Choose the Correct answer
The process in which the water moves between the oceans, atmosphere and land is called……..
- River Cycle
- Hydrological Cycle
- Rock Cycle
- Life Cycle
The percentage of fresh water on the earth is
- 71%
- 97.20%
- 2.80%
- 0.60%
The process of changing of water from gaseous to liquid form is known as
- Condensation
- Evaporation
- Sublimation
- Rainfall
Water that flows in the sub-soil or through the ground into the streams, rivers, lakes and oceans is termed as
- Condensation
- Evaporation
- Transpiration
- Runoff
The evaporation of water from the leaves of plants is called
- Transpiration
- Condensation
- Water vapour
- Precipitation
Water that is good enough to drink is called
- Groundwater
- Surface water
- Potable water
- Artesian water
II Fill in the blanks
- The degree of water vapour present in the atmosphere is known as__________.[humidity]
- There are _____________ phases in the water cycle.[three]
- The falling of water towards the earth surface from atmosphere in any form is known as ____________.[precipitation]
- The precipitation with the rain drop size of<0.5mm in diameter is known as _______________.[drizzle]
- Mist is denser than _______________.[fog]
III Match the following
- Vegetation – Clouds
- Condensation – Sleet
- Snow and rain drops – At the surface
- Infiltration – Transpiration
Answer
- Vegetation – Transpiration
- Condensation – Clouds
- Snow and rain drops – Sleet
- Infiltration – At the surface
IV Choose the correct statement
Evaporation refers to
- The process in which the gaseous form of water changes in to liquid form.
- It refers to the process in which the liquid form of water changes into gaseous form.
- Water boils at 100oC temperature but, it actually begins to evaporate at 0oC.
- It is responsible for the formation of clouds.
- I and IV are correct
- II only correct
- II and III are correct
- All are correct
