PSC Environment Programme Manager Model Questions and Answers

26. ‘Down to Earth’, a fortnightly news magazine was launched by
(A) Sunderlal Bahuguna
(B) Anil Agarwal
(C) Rachel Carson
(D) Medha Patkar
Answer: B

27. Which of the following is a biodegradable pollutant?
(A) Plastic
(B) Domestic sewage
(C) Detergent
(D) All of these
Answer: B

28. Cholera and typhoid are caused by
(A) Bacteria
(B) Worms
(C) Fungi
(D) Virus
Answer: A

29. Eutrophication is
(A) A process in carbon cycle
(B) A water purification technique
(C) A result of accumulation of plant nutrient in water body
(D) A improved water quality
Answer: C

30. Bhopal Gas Tragedy is a case of
(A) Air pollution
(B) Soil pollution
(C) Nuclear pollution
(D) Thermal pollution
Answer: A

31. Marine pollution is caused due to
(A) Oil
(B) Plastic
(C) Chemicals
(D) All of these
Answer: D

32. Ozone layer absorbs
(A) Radio waves
(B) Infrared radiations
(C) UV-Radiations
(D) Chlorine atoms
Answer: C

33. The Forest (Conservation) Act was enacted in the year
(A) 1986
(B) 1974
(C) 1980
(D) 1972
Answer: C

34. Noise is
(A) Loud sound
(B) Unwanted sound
(C) Constant sound
(D) Sound of high frequency
Answer: B

35. Demography is the study of
(A) Animal behaviour
(B) River
(C) Population growth
(D) None of these
Answer: C

36. According to WHO, Health is
(A) A stage of physical well being
(B) A stage of mental well being
(C) A stage of social well being
(D) All of these
Answer: D

37. Reclamation of saline-alkali soil is done by
(A) Gypsum
(B) Lime
(C) Calcium carbonate
(D) None of these
Answer: A

38. A legally binding international agreement to reduce green house gas emissions is
(A) Earth summit
(B) Kyoto protocol
(C) Vienna convention
(D) None of these
Answer: B

39. Biodiesel is obtained from
(A) Jatropha plant
(B) Soyabean plant
(C) Neem plant
(D) All of these
Answer: D

40. Chernobyl accident is an example of
(A) Nuclear Reactor Accident
(B) Thermal Power Plant Accident
(C) Train Accident
(D) None of these
Answer: A

41. Obsolete nuclear weapon is a example of
(A) High level radioactive waste
(B) Low level radioactive waste
(C) Liquid nuclear waste
(D) None of these
Answer: A

42. Biopesticides are based on the following ecological principles
(A) Predation
(B) Parasitism
(C) Amensalism
(D) All of these
Answer: D

43. Tsunami is a consequence of
(A) Volcanic eruption
(B) Flood
(C) Earthquake
(D) Cyclone
Answer: C

44. Still water behind the dam, is an example of
(A) High quality energy
(B) Potential energy
(C) Kinetic energy
(D) Nuclear energy
Answer: B

45. BOD values are always less than
(A) DO value
(B) COD value
(C) MPN value
(D) SPC value
Answer: B

46. Which of the following will be a future fuel of the world?
(A) Methanol
(B) Petrol
(C) LPG
(D) Ethanol
Answer: D

47. The relationship between the organisms in which one organism benefits while the other not affected is
(A) Commensalism
(B) Predation
(C) Parasitism
(D) Mutualism
Answer: A

48. The number of individuals of a species that can survive in that area over time is called
(A) Age pyramid
(B) Growth curve
(C) Carrying capacity
(D) None of these
Answer: C

49. Mineral resources are
(A) Renewable
(B) Available in plenty
(C) Equally distributed
(D) Non renewable
Answer: D

50. Environmental protection is the responsibility of
(A) Government of India
(B) NGOs
(C) Individual
(D) All of the above
Answer: D