Land, Soil, Water, Natural Vegetation and Wildlife Resources

Which on of the following is not a factor of soil formation?

• Time

• Structure of soil

• Biotic objects/

  matter

Which one of the following method is most appropriate to check soil erosion on steep slopes?

• Shelter belts

• Mulching

• Terrace cultivation

Which bird is considered a vital cleanser of the environment?

• Blue kingfisher

• Vulture

• Sparrow

• Hummingbird

Which one of the following is the most important natural resource?

• Land

• Water

• Air

• All of these

Groups of plant communities in area having similar climate conditions :

• Shrubs

• Biosphere

• Ecosystem

• Biomes

Cutting down of forest is known as :

• Afforestation

• Overgrazing

• Deforestation

• Plantation

Rock are piled up to slow down the flow of water. This prevents gullies and further soil loss :

• Mulching

• Rocks dams

• Contour barriers

• Shelter belts

Which state has the largest forest cover in India (area wise)

• Rajasthan

• Madhya Pradesh

• Arunachal Pradesh

• West Bengal

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

• Terrace

• Soil

• Biosphere

• Mulching

Water is a vital and .............. natural resource.

• Renewable

• Non Renewable

• Both

• None of these