Land,Soil,Water,Natural Vegetation and Wildlife Resources

The uneven distribution of population in the world is due to the varied characteristics of

• vegetation

• climate

• land and climate

• water

How much percent of earth’s area is occupied by land?

• 30

• 90

• 60

• 70

What is the mass movement of rock, debris or earth down a slope known as

• Earthquakes

• Landslides

• Tsunami

• Flood

A massive landslide hit Pangi village near ___________ in Kinnaur district of Himachal Pradesh.

• Guwahati landslide

• Kedarnath landslide

• Ambegaon taluka

• Reckong Peo

The thin layer of grainy substance covering the surface of the earth is called __________

• land

• soil

• Weathering

• Erosion

What do Parent Rock determine?

• Colour, texture, chemical properties, mineral, content, permeability.

• Thickness of soil profile.

• Temperature, Rainfall influence, rate of weathering, and humus formation.

• Colour, texture, Temperature, permeability.

What is Mulching?

• Different crops are grown in alternate rows and are sown at different times to protect the soil from rain wash.

• Rocks are piled up to slow down the flow of water.

• Stones, grass, soil are used to build barriers along contours.

• The bare ground between plants is covered with a layer of organic matter like starw. It helps to retain soil moisture.

__________ determine the type of soil.

• Landforms

• Time

• Climate

• Wind

Use of land for different Purpose of development such as agriculture forestry, mining, housing, etc.is termed as

• Soil formation

• Land conservation

• Land use

• soil erosion

What is weathering?

• The breaking up and decay of exposed rocks, by temperature, changes , frost, action, plants, animal and human activity.

• Altitude and slope

• the process of eroding or being eroded by wind, water, or other natural agents.

• the state or process of rotting; decay.