This quiz works best with JavaScript enabled. Home > General Knowledge > Science > Environment > Ecology Biodiversity Conservation Environmental Issues – Quiz 3 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Ecology Biodiversity Conservation Environmental Issues Quiz 3 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Concentration of CO2 in present day atmosphere is A) ~ 220 ppm. B) ~ 280 ppm. C) ~ 360 ppm. D) ~ 390 ppm. Show Answer Correct Answer: D) ~ 390 ppm. 2. Indian government's target of producing power from biomass by the year 2022, is A) 25 MW. B) 50 MW. C) 15 MW. D) 10 MW. Show Answer Correct Answer: D) 10 MW. 3. The Genetic Engineering Appraisal Committee is constituted under the A) Food Safety and Standards Act, 2006. B) Wildlife (Protection) Act, 1972. C) Environment (Protection) Act, 1986. D) Geographical Indications of Goods (Registration and Protection) Act, 1999. Show Answer Correct Answer: C) Environment (Protection) Act, 1986. 4. Vegetation cover shows maximum reflectance in which of the following regions of the electromagnetic radiation spectrum? A) Ultraviolet. B) Visible. C) Near infrared. D) Middle infrared. Show Answer Correct Answer: C) Near infrared. 5. Spotted deer, Asiatic wild ass, Black buck are, A) Endangered species. B) Threatened species. C) Vulnerable species. D) Key species. Show Answer Correct Answer: C) Vulnerable species. 6. Biogas produced by anaerobic bacterial activity is a mixture of A) CH3OH, CO2, NH3and H2O. B) H2S, CO2, CO, CH4and LPG. C) CO2, SO2, NO2, CH4and H2O. D) CH4, CO2, NH3, H2S and H2O. Show Answer Correct Answer: D) CH4, CO2, NH3, H2S and H2O. 7. As per WHO standards the maximum permissible level of coliform organisms per 100 ml of drinking water is A) 100. B) 10. C) 150. D) 1000. Show Answer Correct Answer: B) 10. 8. Which of the following is not a non-formal Environment Education and Awareness Programme? A) Global Learning and Observations to Benefit the Environment (GLOBE). B) Eco-clubs. C) National Environment Awareness Campaign (NEAC). D) Environmental Education in School System. Show Answer Correct Answer: D) Environmental Education in School System. 9. Public Liability Insurance Act came into existence in the year A) 1986. B) 1995. C) 1989. D) 1991. Show Answer Correct Answer: D) 1991. 10. During remote sensing of the vegetation cover, the spectral reflection of vegetation over electromagnetic radiation spectrum depends upon A) Pigmentation in the leaf. B) Structure of the leaf. C) Moisture content of the leaf. D) All the above characters. Show Answer Correct Answer: D) All the above characters. 11. The biodegradability of xenobiotics can be characterized by A) Rate of CO2formation. B) Ratio of BOD to COD. C) Rate of O2consumption. D) All of the above. Show Answer Correct Answer: D) All of the above. 12. Which of the following is a type of biodiversity extinction caused primarily due to anthropogenic activities? A) Permian - Triassic extinction. B) Carboniferous rain forest collapse. C) Holocene extinction. D) Cretaceous paleogene extinction. Show Answer Correct Answer: C) Holocene extinction. 13. According to Recycled Plastics (Manufacture and Usage) Rules 1999, the minimum thickness of carry bags shall not be less than A) 50 microns. B) 30 microns. C) 20 microns. D) 10 microns. Show Answer Correct Answer: C) 20 microns. 14. The area of the biosphere which is protected entirely, without any experimentation and research and no biotic interference, is known as A) Core zone. B) Buffer zone. C) Principal zone. D) Undisturbed zone. Show Answer Correct Answer: A) Core zone. 15. One of the following categories of earthworms is most suitable for wasteland reclamation. A) Anecic. B) Epigeic. C) Endogeic. D) None of the above. Show Answer Correct Answer: C) Endogeic. 16. The arsenic pollution in ground water in Bangladesh and parts of India is due to A) Thermal power plants. B) Agricultural practices. C) Natural sources. D) Industrial waste. Show Answer Correct Answer: C) Natural sources. 17. Which of the following oxides of nitrogen is the major air pollutant released from automobile exhausts? A) NO. B) NO2. C) N2O3. D) N2O. Show Answer Correct Answer: A) NO. 18. The highest seismic domain in India is A) TheHimalayas. B) The Dhar war craton. C) TheWestern Ghats. D) The Indogenetic plains. Show Answer Correct Answer: A) TheHimalayas. 19. The tendency of biological systems to resist change and to remain in a state of equilibrium is called A) Homeostatis. B) Carrying capacity. C) Ecological efficiency. D) Feedback mechanism. Show Answer Correct Answer: A) Homeostatis. 20. The Keystone predator species maintain diversity in a community by A) Preying on community's dominant species. B) Coevolving with their prey. C) Allowing immigration of other predators. D) Competitively excluding other predators. Show Answer Correct Answer: A) Preying on community's dominant species. 21. Agent orange is a A) Weedicide. B) Rodenticide. C) Nematicide. D) Fungicide. Show Answer Correct Answer: A) Weedicide. 22. The method for down streaming of ethanol from fermentation broth is A) Distillation. B) Filtration. C) Flow cytometry. D) Flame Photometry. Show Answer Correct Answer: A) Distillation. 23. The rate of replacement of species along a gradient of habitats pertains to A) Species diversity. B) Beta diversity. C) Alpha diversity. D) Gamma diversity. Show Answer Correct Answer: B) Beta diversity. 24. Which one of the following National Parks has a climate that varies from tropical to subtropical, temperate and arctic? A) Nandadevi National Park. B) Neora Valley National Park. C) Khangchendzonga National Park. D) Namdapha National Park. Show Answer Correct Answer: D) Namdapha National Park. 25. Which one of the following is a complex in organic fertilizer? A) Urea. B) NPK. C) Super phosphate. D) Potash. Show Answer Correct Answer: B) NPK. 26. Largest amount of fresh water is present in A) Lakes. B) Glaciers. C) Polar Ice. D) Rivers. Show Answer Correct Answer: C) Polar Ice. 27. In Environmental assessment study, interpretation and evaluation should consider A) Significance of measured impacts. B) Comparison of alternatives. C) Uncertainty of possible impacts. D) All of the above. Show Answer Correct Answer: D) All of the above. 28. World Meteorological Organization's (WMO) objective has been to reduce the number of deaths due to hydro meteorological disasters over the decade 2010-2019 by (with reference to the decade 1994-2003) A) 80 %. B) 25 %. C) 75 %. D) 50 %. Show Answer Correct Answer: D) 50 %. 29. The net primary productivity of an ecosystem is A) The gross primary productivity minus plant respiration. B) The productivity at top consumer level minus respiration at all levels. C) The primary productivity at herbivore level. D) The primary productivity at consumer level. Show Answer Correct Answer: A) The gross primary productivity minus plant respiration. 30. The Stockholm Convention is a global treaty to protect humans from A) Persistent organic pollutants. B) Carbon monoxide. C) Toxic gases. D) Hospital acquired infections. Show Answer Correct Answer: A) Persistent organic pollutants. 31. How many mega-bio-diverse countries have been identified in the world? A) 17. B) 12. C) 35. D) 2. Show Answer Correct Answer: A) 17. 32. Limnetic zone in freshwater ecosystem is characterised by A) Presence of large proportion of lime. B) Absence of phytoplankton. C) Presence of rooted vegetation. D) Absence of rooted vegetation. Show Answer Correct Answer: D) Absence of rooted vegetation. 33. Carbon dioxide evolved from soil mainly comes from A) Root respiration. B) Soil animals respiration. C) Microbial respiration. D) All the above. Show Answer Correct Answer: C) Microbial respiration. 34. Municipal Solid Wastes (MSWs) have the heating value typically in the range A) 9,300 to 12,800 kJ/kg. B) 1780 to 2830 kJ/kg. C) 1000 to 2500 kJ/kg. D) 530 to 780 kJ/kg. Show Answer Correct Answer: A) 9,300 to 12,800 kJ/kg. 35. An expert committee report "Drowning a valley: Destroying a civilization" is related to which dam project? A) Alamatti. B) Hirakud Dam. C) Nagarjuna Sagar Dam. D) Sardar Sarovar Dam. Show Answer Correct Answer: D) Sardar Sarovar Dam. 36. Pulmonary oedema is caused by A) Methane. B) Nitrous oxide. C) Carbon monoxide. D) Sulphur dioxide. Show Answer Correct Answer: B) Nitrous oxide. 37. Which of the following is not a type of ex situ conservation method? A) Zoological park. B) Wildlife sanctuaries. C) Gene banks. D) Botanical garden. Show Answer Correct Answer: B) Wildlife sanctuaries. 38. Which year was declared as International Year of Biodiversity? A) 2020. B) 1972. C) 2010. D) 2002. Show Answer Correct Answer: C) 2010. 39. In biogeochemical cycle, a chemical element or molecule moves through A) Biosphere and lithosphere. B) Lithosphere and atmosphere. C) Biosphere, lithosphere, atmosphere and hydrosphere. D) Biosphere, lithosphere and atmosphere. Show Answer Correct Answer: C) Biosphere, lithosphere, atmosphere and hydrosphere. 40. Respiratory electron transport chain can be inhibited by A) ADP. B) Phosphate. C) CO2. D) H2S. Show Answer Correct Answer: D) H2S. 41. Reliable, quantitative and verifiable data used in Environmental Impact Assessment study are called A) Continuous data. B) Discrete data. C) Soft data. D) Hard data. Show Answer Correct Answer: D) Hard data. 42. Which statement is not correct for hazardous wastes? A) They are capable of corroding metal containers. B) They contain one or more of 39 toxic compounds. C) They are nonreactive and stable. D) They catch fire easily. Show Answer Correct Answer: C) They are nonreactive and stable. 43. The treatment method recommended for the human anatomical waste generated from hospitals is A) Autoclaving. B) Chemical disinfection. C) Incineration. D) All the above. Show Answer Correct Answer: C) Incineration. 44. Which one of the following pesticides persists for a long period in soil? A) Lindane. B) Monocrotophos. C) Parathion. D) Carbaryl. Show Answer Correct Answer: A) Lindane. 45. Which of the following is not an IUCN-designated threatened species found in India? A) BengalTiger. B) Mountain gorilla. C) Indian White rumped vulture. D) Asiatic Lion. Show Answer Correct Answer: B) Mountain gorilla. 46. The sources of thermal pollution are A) Power plants. B) Industrial effluents. C) Cooling forests. D) All of the above. Show Answer Correct Answer: D) All of the above. 47. Who are responsible for the public consultation process of EIA? A) State Pollution Control Board. B) State Pollution Control Board and District Collector. C) State Pollution Control Board and Civil Society. D) State Pollution Control Board and CPCB Chairman. Show Answer Correct Answer: B) State Pollution Control Board and District Collector. 48. Which of the following disinfection method does not result in synthesis of organochlorine? A) Chlorination. B) Ozonation. C) Chloroamination. D) None of the above. Show Answer Correct Answer: B) Ozonation. 49. Right to clean environment is guaranteed in Indian Constitution by A) Article 25. B) Article 19. C) Article 14. D) Article 21. Show Answer Correct Answer: D) Article 21. 50. Wilting coefficient of a loam represents A) Field capacity. B) Capillary water. C) The minimum water content of the soil at which plants can no longer obtain water. D) Water holding capacity. Show Answer Correct Answer: C) The minimum water content of the soil at which plants can no longer obtain water. 51. Progressive increase in concentration of a xenobiotic compound when it passes through the food chain is called A) Biomagnification. B) Bioaccumulation. C) Hyper accumulation. D) None of the above. Show Answer Correct Answer: A) Biomagnification. 52. An increase of one unit of Richter Scale represents an increase in amplitude by a factor of A) 100. B) 10. C) 2. D) 1000. Show Answer Correct Answer: B) 10. 53. Dachigan sanctuary is associated with A) Hangul. B) Rhinoceros. C) Barking deer. D) Leopard. Show Answer Correct Answer: A) Hangul. 54. Which of the following is not a major biome of India? A) Tropical deciduous forest biomes. B) Temperate needle leaf forest biomes. C) Tropical rain forest biomes. D) Mountains and glaciers. Show Answer Correct Answer: D) Mountains and glaciers. 55. The problem of thermal pollution can be alleviated by using A) Cooling ponds. B) Cooling towers. C) More efficient electricity generating plants. D) All the above. Show Answer Correct Answer: D) All the above. 56. The rate of energy at consumer's level is called A) Secondary productivity. B) Net primary productivity. C) Primary productivity. D) Gross primary productivity. Show Answer Correct Answer: B) Net primary productivity. 57. Which one of the following makes blood toxic, after combining with haemoglobin? A) CO. B) SO2. C) CH4. D) CO2. Show Answer Correct Answer: A) CO. 58. Algal biofertilizer consists of A) Blue green algae and earthworm. B) Green algae and Rhizobia. C) Blue green algae and Azolla. D) Algal biomass and Mycorrhiza. Show Answer Correct Answer: C) Blue green algae and Azolla. 59. The soil borne plant pathogens could be controlled by A) Lowering pH. B) Increasing pH. C) Adding lime. D) All of the above. Show Answer Correct Answer: A) Lowering pH. 60. Which of the following parameters is not a good indicator of contamination in ground water? A) Nitrates. B) BOD. C) Chlorides. D) Silica. Show Answer Correct Answer: D) Silica. ← PreviousNext →Related QuizzesScience QuizzesGeneral Knowledge QuizzesEcology Biodiversity Conservation Environmental Issues Quiz 1Ecology Biodiversity Conservation Environmental Issues Quiz 2Ecology Biodiversity Conservation Environmental Issues Quiz 4Soil And Agriculture QuizSoil Erosion And Conservation Quiz 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books