Grade 5 Soil Erosion and Conservation- Pre Test 5F

The process of water or wind carrying away top loose soil is called ____________

• Flowing away

• Blowing away

• erosion

• conservation

Tags

NGSS.4-ESS2-1

Soil conservation done on hill slopes _____________

• Ploughing

• terracing

• Erosion

• All of the above

Tags

NGSS.4-ESS2-1

NGSS.4-ESS3-2

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

Tags

NGSS.4-ESS2-1

A wall or fence of earth or stone built to prevent a river flooding an area is known as

• barrier

• step farming

• Dam

• Embankment

Tags

NGSS.MS-ETS1-1

Soil is mostly conserved by _______

• afforestation

• deforestation

• making dams

• overgrazing

Tags

NGSS.MS-LS2-5

The Hwang Ho river which changes its course every year is in _________

• Holland

• China

• India

• Sri Lanka

Plants and trees hold soil together with the help of their

• Leaves

• Stem

• Roots

• None of the above

Farmers grow crops like grass and creepers after a harvest and before raising the next crop. These are known as ____________

• healthy crops

• back-up crops

• cover crops

• Substitute crops

River Hwang Ho is also known as __________________.

• Blessing of China

• Sorrow of China

• Happiness of China

• Wealth of China