Question Bank for EST PDF

1\. About \_\_\_\_ % area of earth is Oceans. 2\. Article 48 A in The Constitution Of India represents: **a) Directive Principles**   b) Fundamental duties  Answer:- i) 75 Answer:- ii) Biologically rich areas with large percentage in endemic species. 4\. Aravali mountain are covering states suc...

1\. About \_\_\_\_ % area of earth is Oceans. 2\. Article 48 A in The Constitution Of India represents: **a) Directive Principles**   b) Fundamental duties  Answer:- i) 75 Answer:- ii) Biologically rich areas with large percentage in endemic species. 4\. Aravali mountain are covering states such as \_\_ Answer:- i) Gujrat, M.P, Rajasthan 5\. Extinction of weaker species by an aggressive alien species is the result of \_ Answer:- iii) The domino effect 6\. First national park established in India is \_\_ Answer:- iv) Jim Corbett National Park **7. Which is not the characteristic of a population?** a\) Natality b) Mortality **c**)**Stratification** d)Sex ratio 8\. Aerosols cause \_\_\_\_\_\_\_\_\_\_\_\_\_\_. 9\. As per noise standards, the noise level for hospitals is \_\_\_\_\_. 10\. Domestic wastes which can be decomposed under natural processes are called \_\_\_\_\_\_\_\_\_ pollutants which are relatively harmless. **2. What are secondary pollutants?** 5\. Which of the following are the dissolved materials present in domestic sewage?\ a) Sand b) Clay **c) Nutrients** d) Bacteria **6. What is smog?** 8\. Formal environmental education represents education **a) within the class room** b) outside the class room 9\. **Aerosol + solid particles + liquid particles results in** **10. Who discovered the term 'ecosystem'?** a)Elton b)Odum c)Clements **d)Arthur G Tansley** **11. In which temperature soil develops slowly?** **12. Allelopathy refers to** d)Inhibition of growth of one species by another by preventing reproduction **14.Which of the following are the primary causes of water pollution?** \(a) Plants (b) Animals **(c) Human activities** (d) None of these **3. What is called for the method of removing dust and other particles from water using filters?** **11. Environmental ethics belongs to which part?** 12\. An ability or capacity of something to be maintained or to sustain itself is known a) Biodiversity b) Ecology  **c) Sustainability**  d) All of the above **33.** I**n India when we will celebrate Wildlife Week?** 34\. To remove hardness of the water are used methods **35.The air pollutants are mainly classified as\_\_\_\_\_\_\_\_\_\_\_\_** \(a) Natural or anthropogenic pollutants **(b) Primary and secondary pollutants** \(c) Point source and non-point source (d) None of the above Q. 100 Softening of water is done by Q. 19 Minamata disease caused by **19. Why should people implement rainwater harvesting?** **81. How can we increase the water efficient irrigation system?** 54\. **What is the full form of NGOs**? Q. 23 The prime objective of watershed management is focus on water Q. 24 Rain water harvesting is done by **25.According to the Geological survey, water with less than 1000 ml/litre of total dissolved solids is \_\_\_\_\_\_\_\_\_\_.** 26\. DDT is a \_\_\_\_\_\_\_\_\_ a. Greenhouse gas b. Degradable pollutants c. **Non degradable pollutants** d. None of these 27\. What is the dB of a threshold of pain? a)100 b) 110 c) 120 **d) 146** 28\. Fluorides pollution mainly affects what part of body? a\. Kidney b\. Brain **c. Teeth** d\. Heart 29\. Which is an advantage of ex-situ conservation? 30\. Which of the following is not a marine pollutant? a\. Oil b\. Plastic **c. Dissolved oxygen** d\. All of these 4\. The provisions of environmental protection in the constitution were made under A. Article 5-A B. Article 21-B C. Article 27-B (h) D. **Article 48-A and Article 51-A (g)** **5. In an ecosystem, the energy flow is always** 5\. The Forest (Conservation) Act was enacted in the year A. 1972 B. 1974 C. **1980** D. 1986 9\. CPCB stands for \_\_\_\_\_\_\_\_\_\_\_ A. control prevention by central board B. control of pollution by central bureau C. **central pollution control board** D. None of these **10. Peroxyacyl nitrate (PAN) is a by-product of\_\_\_\_\_\_\_\_\_\_\_\_** \(a) London smog (b) Sulphurous smog 19\. Mercury and lead are toxic elements, which causes A. Noise Pollution B. Air Pollution C. Water Pollution D. **Land contamination** **20. Hepatitis A is what kind of disease?** a)Food contamination  b)Water-borne disease  c)Air-borne disease  **d)Both (a) and (b)**  21\. The Wildlife (Protection) Act contains A. 8 Chapters B. **7 Chapters** C. 6 Chapters D. 5 Chapters 22\. Which among the following is Act of Environmental Protection? a\) Biological Diversity Act, 2002  b) National Green Tribunal Act, 2010  4\. "The pyramid of energy is always upright" states that A. The energy conversion efficiency of carnivores is better than herbivores B. **The energy conversion efficiency of herbivores is better than carnivores** C. Energy conversion efficiency is the same in all trophic levels. D. Producers have the lowest energy conversion efficiency **5. The population of birds declined in an area where DDT was extensively used. Why?** 6\. **The common features between NO2, SO2, CO2 and SPM is that all of them \_\_\_\_\_\_\_\_\_\_\_** 7\. How many bio-geographical regions are present in India? A. 5 B. 8 C. 7 D. **10** 8\. Which of the following is an aspect of Sustainable Development a) Social  b) Environmental c) Economical **d) All of the above**  9\. Which one of the following areas in India, is a hotspot of biodiversity? A. Eastern Ghats B. Gangetic Plain C. Sunderbans D. **Western Ghats** **10. How many Biodiversity hotspots exist in the world?** 11\. Following scale is used for loudness of sound or noise 3\. Which of the following requires maximum energy? A. Secondary consumer B. **Primary producer** C. Decomposer D. Primary consumer 1\. Which statement is correct with respect to the food chain? A. Every component of food chain forms trophic level B. Inter-relation between different food chains is known as a food web C. All the chains formed by nutritional relations is used to understand energy flow. D. **All of the above** 37\. The Taj Mahal, Lotus Temple, Golden Temple, India Gate and other famous heritage monuments are being affected by \_\_\_\_\_\_\_. A. Water pollution B. **Air pollution** C. Noise pollution D. All of the above 38\. The responsibilities of pollution control board:  a)create public awareness  b) Inspect sewage 2\. Full form of BOD is A. Biological oxygen demand B. **Biochemical oxygen demand** C. Biological oxygen deep water D. Biometric oxygen deep water **3. Why are radiations harmful?** a)Radiations cause anemia **b)Radiations leads to skin cancer** c)Radiations are not stable d)Radiations changes body tissues 4\. Bacteria and micro organisms present in the water will cause \_\_\_\_\_\_\_\_\_ in human and animals. A. **Intestinal tract** B. Indigestion C. Brain tumour D. Cancer 40\. Which gas is mainly produced due to incomplete burning of wood? A. **CO** B. SO2 C. NO2 D. NO3 41\. Biodiversity is of importance as it offers:\ **a) Stability of ecosystems** b) Stability of atmosphere\ c) Stability of species d) Stability of research **42. Which activity can tend to lower the water table?**