Topic 2: Natural Resources and Associated Problems

which of the following is not a renewable

resource?

• coal

• wind power

• geothermal energy

• dentrothermal energy

forest is responsible for a

• watershed protection

• land erosion control

• land erosion control

• providing economic

  and

  environmental benefits.

• all of given

any material that can be transformed into

more valuable and usefull product or service

is called

• Resource

• mineral

• product

• none of the

  above .

India has largest reserve of ---------------after

Brazil.

• copper

• Bauxite

• Iron ore

• Coal

a sudden uncontrol descent of a mass of

earth under the force gravity is called.

• Landslide
• Soil Erosion

• minning

• earth quake

hydroscopic and combined water .

• are used by plants

  during transpiration

• stored in xylem

  tissues of

  plants

• are of no use for plants.

• compensate for loss

  due to

  evapotranspiration

  by plants .

the constituents of producer gas are.

• 25 percent water vapour,

  75 percent methane .

• 42 percent methane ,

  8 percent propane ,

  rest is carbon dioxide.

• 55 percent methane,

  45 percent carbon dioxide.

• 45 percent methane,

  20 percent carbon dioxide,

  35 percent propane .

the least quality of the coal with 95% carbon

content and 5% volatile matter is

• Lignite coal

• Anthracite coal

• Bituminous coal

• Peat coal

which of the following methods of timber

extraction cause minimum environmental

damage?

• clear felling

• hand logging

• selective logging

• reduced impact logging

the main purpose of dam construction

• irrigation

• flood control

• hydroelectricity

• provide water to

  industry