Environmental Issues Set 2

Q1 | More pollution loads in lake, no self purification because.

Q2 | Warmth on the surface of the earth is due to

Q3 | Thinning of eggshell and their premature breaking is due to

Q4 | Aging of lake is accelerated by

Q5 | Which chemicals increase growth of aquatic organism?

Q6 | Arrange the following statements with reference to accelerated eutrophication in proper manner._ans_key_(p)Silt and debris pile up at the bottom of the lake_ans_key_(q)Marsh plants take roots in the shallows begin to fill the lake basin_ans_key_(r)Introduction of large number of nitrogen and phosphate in the pond_ans_key_(s)Encouragement of growth of aquatic organisms.

Q7 | Give full form of FOAM.

Q8 | In which cities Ecosan toilets are working?

Q9 | Recycling of e-waste is done in developing countries like…

Q10 | Name the metals recovered during recycling process of e-waste.

Q11 | Increase in the concentration of a nonbiodegradable substance of various tropic level is called

Q12 | Deforestation results in

Q13 | Chipko movement is associated with prevention of

Q14 | Jhum refers to.

Q15 | Ultraviolet radiation from sunlight causes a reaction that produces

Q16 | The biological amplification of DDT in various tropic levels is known as

Q17 | BOD is related to

Q18 | CFC’s splits up in stratosphere to release chlorine by the action of..

Q19 | Noise was recognized as air pollutant through amendment of

Q20 | If there was no CO2 in the earth’s atmosphere, the temperature of earth’s surface would be. CBSE1995

Q21 | With the help of Electrostatic precipitators how much particulate pollutants can be removed?

Q22 | Enrichment of a water body with organic waste results in sudden algal bloom. This phenomenon is known as

Q23 | Which of the following is mismatched?

Q24 | Which of the following is not causing pollution?

Q25 | Soil conservation can be best achieved by having …