Top 150+ Solved Environmental Issues MCQ Questions Answer
Q. What is biological magnification of DDT in large size fish eating birds?
a. 25ppb
b. 25ppm
c. 2.5ppm
d. 0.25ppm
Q. By which method large number of particles of pollutants are separated?
a. Cyclone collector
b. Porous filter
c. Electrostatic precipitator
d. By using solvent
Q. Which of the following is not responsible for pollution?
a. Wood
b. SO2
c. Unsaturated carbon
d. Solar energy
Q. The population of eagles and hawks is declining because of,
a. Food scarcity
b. game lovers
c. Harmful effects of pesticides
d. Very few dead animals are found in fields
Q. BOD of a river was found to be very low, this means the water
a. Was clean
b. Was polluted
c. Contains algae
d. Contains other dissolved minerals
Q. More pollution loads in lake, no self purification because.
a. There is no O2 to sustain microbial activity
b. No sunlight available
c. Microbes die
d. Pollutants settles down at the bottom
Q. Warmth on the surface of the earth is due to
a. Solar radiation
b. Green house effect
c. Geothermal energy
d. All above
Q. Thinning of eggshell and their premature breaking is due to
a. Eutrophication
b. Global warming
c. Green house effect
d. Biological magnification
Q. Aging of lake is accelerated by
a. Cultural Eutrophication
b. Biological magnification
c. Biological accumulation
d. Algal bloom
Q. Which chemicals increase growth of aquatic organism?
a. Nitrogen and phosphoru
b. Calcium and iron
c. Nitrogen and calcium
d. Nitrogen and iron
Q. 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.
a. p,q,r,s,
b. r,s,q,p
c. r,s,p,q
d. s,r,p,q
Q. Give full form of FOAM.
a. Friends of Arcata Marsh
b. Friends of Arctic Marsh
c. Friends of Antarctic Marsh
d. Foam of Arcata Marsh