Natural Vegetation of India

Vegetation that grows without the interference of man —

(a)  

A watershed is —

• tank to collect water

• high piece of land that catches rainfall and other precipitates and divides the flow of water

• a place where only water is collected

• a place where precipitate is removed from water

Process through which trees and soil regulate atmospheric temperature —

• Transpiration

• Evaporation

• Temperature Regulaters

• Evapotranspiration

Importance of Forests are :—

• Forests are biodiversity hotspots

• Climate control

• Growth of trees

• Forests provide livelihood

Tropical Evergreen Forests are found in areas with —

• 100 cm of rainfall

• more than 500 cm of rainfall

• more than 200 cm of rainfall

• None of the above

These forests are also known as tidal,mangrove or wetland forests —

(a)  

In Tropical Rainforest/Evergreen Forests,which are the most important trees ?

• Ebony,Rosewood and Mahogany

• Sandalwood,Mahua and Semul

• Shisham, Bamboo and Rosewood

Tropical Deciduous Forests shed their leaves for —

• 9 — 10 weeks

• 7 – 8 weeks

• 6 – 8 weeks

• 2 – 4 weeks

Timber of ———— woods is useful for railway sleepers and house construction.

(a)  

Teak is found in :-)

• Madhya Pradesh

• Assam

• Bihar

• All of the above