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WorksheetsClass -5 Science quiz - Soil Erosion and conservation
Total questions: 25
Worksheet time: 28mins
The process that breaks down rocks and other materials into tiny pieces on Earth's surface is called
Weathering
Erosion
Soil conservation
Decomposition
The contents of soil includes:
Humus
Sand
Clay
Pebbles
All the above
Most plants cannot grow well in soil with too much clay because:
It doesn't hold enough water.
It holds too much water.
It is too sandy.
It doesn't have enough nutrients.
Two main forces of erosion are:
rain and snow.
wind and water.
sunlight and wind.
pH and salinity.
If experts are suggesting that, terrace farming can help stop soil erosion, then area is likely to be:
A forest.
A desert.
A hill.
A swamp.
This may lead to soil erosion
Plants and trees hold the soil together by their_______
How can farmers prevent soil erosion?
Cover their crops with a tarp.
Water the soil everyday in order to weigh it down
Plant crops to hold the soil in place.
Cut down all of the trees and crops.
Soil conservation includes all of the following EXCEPT_______.
Desertification
Building Embankments along the rivers
Terrace farming
Crop rotation
Which type of soil conservation strategy is being used in this picture?
Windbreakers
Crop rotation
Planting of vegetation
Terrace Farming
Why would the Farmer Ramu, use the conservation method of growing cover crops?
To allow soil to erode
To allow water to flow
To prevent rains
To prevent weeds from growing,add nutrients and conserve the soil
A scientist who studies about soil is called a ____________
Botonist
Archaeologist
Pedologist
Zoologist
Hill slopes are cut into steps _____________
A.To increase the speed of water.
B.The soil eroded from one step gets deposited on the next step.
C.To reduce the speed of water.
Both B and C
Cutting down of trees____________________
Afforestation
Forestation
Deforestation
Conservation
Human activities that increase soil erosion include
mining
overgrazing by cattle
afforestation
Both mining and overgrazing by cattle
A wall or fence of earth or stone built to prevent a river flooding an area is known as
Barrier
Step farming
Dam
Embankment
Name the river that is called as "SORROW OF BIHAR"
River Ganga
River Kaveri
River Kosi
River Beas
River Hwang Ho is also known as __________________.
Blessing of China
Sorrow of China
Happiness of China
Wealth of China
What do the three R's stand for?
Reduce,Reuse,Recycle
Reuse,Remember,Remind
Recycle,Remind,Reduce
Remember,Reduce,Recycle
EARTH DAY is celebrated on (a) every year
Identify this movement by looking at the picture
(a)
Identify this great personality.
Dr.Salim Ali
M S Swaminathan
Sundarlal Bahuguna
Charaka
Which statement best explains why this process results in weathering?
Trees and bushes are grown along the boundary of fields and open spaces because
They increase the speed of wind,and prevent soil erosion.
They act as wind barriers and prevent soil erosion.
