This quiz works best with JavaScript enabled. Home > Science > Environment > Ecology Biodiversity Conservation Environmental Issues – Quiz 7 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Ecology Biodiversity Conservation Environmental Issues Quiz 7 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. The primary producers in the marine ecosystem are A) Eubacteria and Algae. B) Cyanobacteria and Algae. C) Algae and Protozoans. D) All of the above. Show Answer Correct Answer: B) Cyanobacteria and Algae. 2. Concentration of CO2 in present day atmosphere is A) ~ 220 ppm. B) ~ 360 ppm. C) ~ 280 ppm. D) ~ 390 ppm. Show Answer Correct Answer: D) ~ 390 ppm. 3. Indian government's target of producing power from biomass by the year 2022, is A) 50 MW. B) 15 MW. C) 25 MW. D) 10 MW. Show Answer Correct Answer: D) 10 MW. 4. An ecotype is A) Genetically different forms of the same organisms. B) Morphologically different forms of the same organisms. C) Genetically similar forms of the same organisms. D) Both (A) and (B). Show Answer Correct Answer: A) Genetically different forms of the same organisms. 5. 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. 6. Vegetation cover shows maximum reflectance in which of the following regions of the electromagnetic radiation spectrum? A) Ultraviolet. B) Near infrared. C) Visible. D) Middle infrared. Show Answer Correct Answer: B) Near infrared. 7. Spotted deer, Asiatic wild ass, Black buck are, A) Threatened species. B) Endangered species. C) Key species. D) Vulnerable species. Show Answer Correct Answer: D) Vulnerable species. 8. 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. 9. As per WHO standards the maximum permissible level of coliform organisms per 100 ml of drinking water is A) 10. B) 100. C) 1000. D) 150. Show Answer Correct Answer: A) 10. 10. 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. 11. Public Liability Insurance Act came into existence in the year A) 1989. B) 1986. C) 1995. D) 1991. Show Answer Correct Answer: D) 1991. 12. 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. 13. 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. 14. Which of the following is a type of biodiversity extinction caused primarily due to anthropogenic activities? A) Carboniferous rain forest collapse. B) Cretaceous paleogene extinction. C) Permian - Triassic extinction. D) Holocene extinction. Show Answer Correct Answer: D) Holocene extinction. 15. According to Recycled Plastics (Manufacture and Usage) Rules 1999, the minimum thickness of carry bags shall not be less than A) 10 microns. B) 20 microns. C) 30 microns. D) 50 microns. Show Answer Correct Answer: B) 20 microns. 16. The area of the biosphere which is protected entirely, without any experimentation and research and no biotic interference, is known as A) Undisturbed zone. B) Buffer zone. C) Core zone. D) Principal zone. Show Answer Correct Answer: C) Core zone. 17. 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. 18. The arsenic pollution in ground water in Bangladesh and parts of India is due to A) Industrial waste. B) Thermal power plants. C) Natural sources. D) Agricultural practices. Show Answer Correct Answer: C) Natural sources. 19. Which of the following oxides of nitrogen is the major air pollutant released from automobile exhausts? A) NO. B) N2O. C) NO2. D) N2O3. Show Answer Correct Answer: A) NO. 20. The highest seismic domain in India is A) TheHimalayas. B) The Indogenetic plains. C) TheWestern Ghats. D) The Dhar war craton. Show Answer Correct Answer: A) TheHimalayas. ← PreviousNext →Related QuizzesScience QuizzesEcology Biodiversity Conservation Environmental Issues Quiz 1Ecology Biodiversity Conservation Environmental Issues Quiz 2Ecology Biodiversity Conservation Environmental Issues Quiz 3Ecology Biodiversity Conservation Environmental Issues Quiz 4Ecology Biodiversity Conservation Environmental Issues Quiz 5Ecology Biodiversity Conservation Environmental Issues Quiz 6Ecology Biodiversity Conservation Environmental Issues Quiz 8Ecology Biodiversity Conservation Environmental Issues Quiz 9Ecology Biodiversity Conservation Environmental Issues Quiz 10 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books