waste management? a) reduce the amount of waste formed b) reuse the waste c) recycle the waste d) all of the above . The gas released from vehicles exhaust are i. carbon monoxide ii.
Sulphur dioxide iii. Oxides of nitrogen a) i and ii b) i and iii c) ii and iii d) i, ii and iii . Soil erosion can be prevented by a) deforestation b) afforestion c) over growing d) removal of vegetation . A renewable source of energy is a) petroleum b) coal c) nuclear fuel d) trees .
Soil erosion is more where there is a) no rain fall b) low rainfall c) rain fall is high d) none of these . An inexhaustible resources is a) wind power b) soil fertility c) wild life d) all of the above . Common energy source in village is a) electricity b) coal c) biogas d) wood and animal dung . Green house effect refers to a) cooling of earth b) trapping of UV rays Environmental Management c) cultivation of plants d) warming of earth .
A cheap, conventional, commercial and inexhaustible source of energy is a) hydropower b) solar energy c) wind energy. d) thermal energy . Global warming will cause a) raise in level of oceans b) melting of glaciers c) sinking of islands d) all of these . Which of the following statement is wrong with respect to wind energy a) wind energy is a renewable energy b) the blades of wind mill are operated with the help of electric motor c) production of wind energy is pollution free d) usage of wind energy can reduce the consumption of fossil fuels V .
Answer in a sentence . What will happen if trees are cut down? . What would happen if the habitat of wild animals is disturbed?
. What are the agents of soil erosion? . Why fossil fuels are to be conserved?
. Solar energy is a renewable energy. How? .
How are e-wastes generated? VI. Short answer questions . What is the importance of rainwater