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				This section includes 1185 Mcqs, each offering curated multiple-choice questions to sharpen your UPSC IAS Exam knowledge and support exam preparation. Choose a topic below to get started.
| 151. | 
                                    Name the Mumbai based non profit organization promoting innovative tents that encourage environmental education in school | 
                            
| A. | CERE India | 
| B. | Conserve | 
| C. | Aawaz ,foundation | 
| D. | Green monitor | 
| Answer» B. Conserve | |
| 152. | 
                                    What is smog made of | 
                            
| A. | Smelly cats | 
| B. | Fog and smoke | 
| C. | Rain and sunrace | 
| D. | None of the above | 
| Answer» C. Rain and sunrace | |
| 153. | 
                                    The green house effect is known as the ability to trap carbon dioxide, methane and nitrous oxide gases in the ________ | 
                            
| A. | Ozone layers | 
| B. | Benthic layer | 
| C. | Atmosphere | 
| D. | Air | 
| Answer» D. Air | |
| 154. | 
                                    Fid the odd one-Boundring countries of India | 
                            
| A. | Butan | 
| B. | Burma | 
| C. | Nepal | 
| D. | Australia | 
| Answer» E. | |
| 155. | 
                                    In the context of solving pollution problems, what is/are the advantage/advantages of the bioremediation technique?1. It is a technique for cleaning up pollution by enhancing the same biodegradation process that occurs in nature.2. Any contaminant with heavy metals such as cadmium and lead can be readily and completely treated by bioremediation using microorganisms.3. Genetic engineering can be used to create microorganisms specifically designed for bioremediation.Select the correct answer using the code given below: | 
                            
| A. | 1 only | 
| B. | 2 and 3 only | 
| C. | 1 and 3 only | 
| D. | 1, 2 and 3 | 
| Answer» D. 1, 2 and 3 | |
| 156. | 
                                    Kaziranga National Park is famous for which of the following animals? | 
                            
| A. | Elephant | 
| B. | Lion | 
| C. | Tiger | 
| D. | Rhinoceros | 
| Answer» E. | |
| 157. | 
                                    Energy flow in ecosystem is: | 
                            
| A. | Tetra directional | 
| B. | Tri directional | 
| C. | Bi directional | 
| D. | Uni directional | 
| Answer» E. | |
| 158. | 
                                    Consider the following statements:1. Biodiversity hotspots are located only in tropical regions.2. India has four biodiversity hotspots i.e., Eastern Himalayas, Western Himalayas, Western Ghats, and Andaman, and the Nicobar Islands.Which of the statements given above is/are correct? | 
                            
| A. | 1 only | 
| B. | 2 only | 
| C. | Both 1 and 2 | 
| D. | Neither 1 nor 2 | 
| Answer» E. | |
| 159. | 
                                    Name the sanctuary in Orissa that has a water spread of approximately 900 sq. km and which is famous for many species of migratory birds. | 
                            
| A. | Ghana | 
| B. | Chilika | 
| C. | Balukhand | 
| D. | Baisipalli | 
| Answer» C. Balukhand | |
| 160. | 
                                    A place where animals are protected in their natural habitat is called_________. | 
                            
| A. | Garden | 
| B. | Cage | 
| C. | Zoo | 
| D. | Wild life sanctuary | 
| Answer» E. | |
| 161. | 
                                    In 1983, in Karnataka which movement was started similar to 'Chipko Movement'? | 
                            
| A. | Appiko | 
| B. | Pandurang | 
| C. | Amma | 
| D. | Gubbi | 
| Answer» B. Pandurang | |
| 162. | 
                                    Nokrek Biosphere reserve is located at | 
                            
| A. | Tamil Nadu | 
| B. | Meghalaya | 
| C. | Manipur | 
| D. | Sikkim | 
| Answer» C. Manipur | |
| 163. | 
                                    ________ Tiger reserve in Karnataka is home to the largest number of Asian elephants in the world. | 
                            
| A. | Nagarhole Tiger Reserve | 
| B. | Ranthambore Tiger Project | 
| C. | Kanha National Park | 
| D. | Bandhvagarh National Park | 
| Answer» B. Ranthambore Tiger Project | |
| 164. | 
                                    _____ have the largest number of species in the world. | 
                            
| A. | Plants | 
| B. | Insects | 
| C. | Humans | 
| D. | Animals | 
| Answer» C. Humans | |
| 165. | 
                                    Cumulonimbus is a type of: | 
                            
| A. | dew | 
| B. | frost | 
| C. | cloud | 
| D. | rain | 
| Answer» D. rain | |
| 166. | 
                                    Match List-I with List-II and select the correct answer from the codes given below the lists:List – I(Biosphere Reserve)List – II(States of India)A. Nokrek1. AssamB. Manas2. KeralaC. Similipal3. MeghalayaD. Agasthyamalai4.Odisha | 
                            
| A. | A-3, B-4, C-2, D-1 | 
| B. | A-4, B-2, C-3, D-1 | 
| C. | A-3, B-1, C-4, D-2 | 
| D. | A-2, B-3, C-4, D-1 | 
| Answer» D. A-2, B-3, C-4, D-1 | |
| 167. | 
                                    During transfer of energy from one level to the next, the energy continuously | 
                            
| A. | Increases | 
| B. | Remains same | 
| C. | Decreases | 
| D. | Fluctuates | 
| Answer» D. Fluctuates | |
| 168. | 
                                    It is believed that the animals that are awake at night can see objects only in | 
                            
| A. | green and yellow | 
| B. | orange and red | 
| C. | black and white | 
| D. | violet and blue | 
| Answer» D. violet and blue | |
| 169. | 
                                    Number of Green Gases, as recognized by the Kyoto Protocol is- | 
                            
| A. | 6 | 
| B. | 3 | 
| C. | 4 | 
| D. | 5 | 
| Answer» B. 3 | |
| 170. | 
                                    East Kolkata wetlands have been declared as | 
                            
| A. | Biodiversity site | 
| B. | Tourist site | 
| C. | World Heritage site | 
| D. | Ramsar site | 
| Answer» E. | |
| 171. | 
                                    In March 2016, which of the following biosphere reserve was included in UNESCO's World Network of Biosphere Reserves? | 
                            
| A. | Agasthyamala Bioshpere Reserve | 
| B. | Nilgiri Biosphere Reserve | 
| C. | Nanda Devi Biosphere Reserve | 
| D. | Simlipal Biosphere Reserve | 
| Answer» B. Nilgiri Biosphere Reserve | |
| 172. | 
                                    Gir National Park is situated in: | 
                            
| A. | Assam | 
| B. | Gujarat | 
| C. | Rajasthan | 
| D. | West Bengal | 
| Answer» C. Rajasthan | |
| 173. | 
                                    Consider the following statements:1. Biodiversity is normally greater in the lower latitudes as compared to the higher latitudes.2. Along the mountain gradients, biodiversity is normally greater in the lower altitudes as compared to the higher altitudes.Which of the statements given above is/are correct? | 
                            
| A. | 1 only | 
| B. | 2 only | 
| C. | Both 1 and 2 | 
| D. | Neither 1 nor 2 | 
| Answer» D. Neither 1 nor 2 | |
| 174. | 
                                    In which of the following states is Pench Tiger Reserve located ? | 
                            
| A. | Odisha | 
| B. | West Bengal | 
| C. | Karnataka | 
| D. | Madhya Pradesh | 
| Answer» E. | |
| 175. | 
                                    Environment Protection Act was enacted in the year - | 
                            
| A. | 1986 | 
| B. | 1992 | 
| C. | 1984 | 
| D. | 1974 | 
| Answer» B. 1992 | |
| 176. | 
                                    Biological Oxygen Demand (BOD) is a standard criterion for | 
                            
| A. | Measuring oxygen levels in blood | 
| B. | Computing oxygen levels in forest ecosystems | 
| C. | Pollution assay in aquatic ecosystems | 
| D. | Assessing oxygen levels in high altitude regions | 
| Answer» D. Assessing oxygen levels in high altitude regions | |
| 177. | 
                                    Consider the following fauna of India:1. Gharial2. Leatherback turtle3. Swamp deerWhich of the above is/are endangered? | 
                            
| A. | 1 and 2 only | 
| B. | 3 only | 
| C. | 1, 2 and 3 | 
| D. | None | 
| Answer» B. 3 only | |
| 178. | 
                                    Arrange the following events in chronological order of their commencement:I. Project TigerII. Project ElephantIII. Wildlife Protection ActIV. Biological Diversity ActSelect the correct answer using the codes given below | 
                            
| A. | I, II, III, IV | 
| B. | II, I, IV, III | 
| C. | III, I, II, IV | 
| D. | III, IV, I, II | 
| Answer» D. III, IV, I, II | |
| 179. | 
                                    In which country the world’s first ‘negative emission carbon-capture plant’ begins its operations? | 
                            
| A. | Iceland | 
| B. | Germany | 
| C. | Japan | 
| D. | China | 
| Answer» B. Germany | |
| 180. | 
                                    A biological community in its environment such as a pond, an ocean, a forest, even an aquarium is known as | 
                            
| A. | biome | 
| B. | community | 
| C. | abiotic environment | 
| D. | ecosystem | 
| Answer» E. | |
| 181. | 
                                    In which of the following protected areas in India the human interference is prohibited? | 
                            
| A. | National Parks | 
| B. | Wetlands | 
| C. | Wildlife sanctuaries | 
| D. | Biosphere Reserves | 
| Answer» B. Wetlands | |
| 182. | 
                                    Kanchula Khark is famous for : | 
                            
| A. | Herb Research Centre | 
| B. | Software Centre | 
| C. | Musk Deer Conservation and Breeding Centre | 
| D. | None of the above | 
| Answer» D. None of the above | |
| 183. | 
                                    Name the National Park/Bird Sanctuary that was shut down on 11 January, 2014 for one week after 47 migratory birds were found dead in the park. | 
                            
| A. | Keoladeo National Park | 
| B. | Bharatpur Bird Sanctuary | 
| C. | Salim Ali Bird Sanctuary | 
| D. | Sultanpur National Park | 
| Answer» E. | |
| 184. | 
                                    In which one among the following categories, of protected areas in India are local people not allowed to collect and use the biomass? | 
                            
| A. | Biosphere Reserves | 
| B. | National Parks | 
| C. | Wetlands declared under Ramsar Convention | 
| D. | Wildlife Sanctuaries | 
| Answer» C. Wetlands declared under Ramsar Convention | |
| 185. | 
                                    Biomagnification refers to an increase in the number/content/quantity of: | 
                            
| A. | Blue green algae | 
| B. | Insects | 
| C. | Weeds | 
| D. | Toxicants | 
| Answer» E. | |
| 186. | 
                                    Biotoc enviroment includes | 
                            
| A. | producers | 
| B. | consumers | 
| C. | decomposers | 
| D. | all of the above | 
| Answer» E. | |
| 187. | 
                                    Consider the following statements:1. Coal sector was nationalized by the Government of India under Indira Gandhi.2. Now, coal blocks are allocated on lottery basis.3. Till recently, India imported coal to meet the shortages of domestic supply, but now India is self-sufficient in coal production.Which of the statements given above is/are correct? | 
                            
| A. | 1 only | 
| B. | 2 and 3 only | 
| C. | 3 only | 
| D. | 1, 2 and 3 | 
| Answer» B. 2 and 3 only | |
| 188. | 
                                    A river with high BOD value indicates | 
                            
| A. | high pollution level | 
| B. | clean water | 
| C. | presence of crocodile | 
| D. | None of the above | 
| Answer» B. clean water | |
| 189. | 
                                    Consequence of deforestration is | 
                            
| A. | flood | 
| B. | reduced rainfall | 
| C. | Both of the above | 
| D. | None of the above | 
| Answer» D. None of the above | |
| 190. | 
                                    Match the following Wildlife Sanctuaries with their correct locations :Wildlife SanctuaryLocationi) Ramgarh Sanctuarya) Dholpurii) Jawahar Sagar Sanctuaryb) Churuiii) Van Vihar Sanctuaryc) Bundiiv) Taal Chhappar Sanctuaryd) Alwarv) Sariska Sanctuarye) Kota | 
                            
| A. | (i) - (e), (ii) - (d), (iii) - (a), (iv) - (c), (v) - (b) | 
| B. | (i) - (a), (ii) - (b), (iii) - (d), (iv) - (e), (v) - (c) | 
| C. | (i) - (c), (ii) - (e), (iii) - (a), (iv) - (b), (v) - (d) | 
| D. | (i) - (a), (ii) - (d), (iii) - (c), (iv) - (b), (v) - (e) | 
| Answer» D. (i) - (a), (ii) - (d), (iii) - (c), (iv) - (b), (v) - (e) | |
| 191. | 
                                    Kyoto protocol is related with ______. | 
                            
| A. | Population | 
| B. | Resources | 
| C. | Global Warming | 
| D. | Pollution | 
| Answer» D. Pollution | |
| 192. | 
                                    Consider the following:1. Carbon monooxide2. Methane3. Ozone4. Sulphur dioxideWhich of the above are released into atmosphere due to the burning of crop/biomass residue? | 
                            
| A. | 1 and 2 only | 
| B. | 2, 3 and 4 only | 
| C. | 1 and 4 only | 
| D. | 1, 2, 3 and 4 | 
| Answer» E. | |
| 193. | 
                                    Manas National Park is located in which Indian state? | 
                            
| A. | Rajasthan | 
| B. | Gujarat | 
| C. | Assam | 
| D. | Punjab | 
| Answer» D. Punjab | |
| 194. | 
                                    Kanha National Park is famous for | 
                            
| A. | Lions | 
| B. | Cows | 
| C. | Elephants | 
| D. | Tigers | 
| Answer» E. | |
| 195. | 
                                    According to I. C. A. R., _______ of geographical area of Rajasthan is facing the problems of land degradation. | 
                            
| A. | 43.2% | 
| B. | 57.1% | 
| C. | 49.5% | 
| D. | 62.5% | 
| Answer» E. | |
| 196. | 
                                    Match List - I with List - II and select the correct answer using the code given below:List - I(Wildlife Conservation Reserve)List - II(District) A. Jorbeer 1. Jhunjhunu B. Gudha Vishnoi 2. Nagaur C. Gogelav 3. Jodhpur D. Bir 4. Bikaner | 
                            
| A. | A - 4, B - 3, C - 1, D - 2 | 
| B. | A - 4, B - 3, C - 2, D - 1 | 
| C. | A - 1, B - 3, C - 4, D - 2 | 
| D. | A - 1, B - 2, C - 3, D - 4 | 
| Answer» C. A - 1, B - 3, C - 4, D - 2 | |
| 197. | 
                                    First National Park established in India is | 
                            
| A. | Kaziranga National Park | 
| B. | Jim Corbett National Park | 
| C. | Gir National Park | 
| D. | Kanha National Park | 
| Answer» C. Gir National Park | |
| 198. | 
                                    Match List-I with List-II and select the correct answer using the code given below the ListsList-I (Cloud)List-II (Characteristic)A. Cirrus1. Rain-givingB. Stratus2. Feathery appearanC. Nimbus3. Vertically growingD. Cumulus4. Horizontally spreading | 
                            
| A. | A - 2 B - 4 C - 1 D - 3 | 
| B. | A - 2 B - 1 C - 4 D - 3 | 
| C. | A - 3 B - 1 C - 4 D - 2 | 
| D. | A - 3 B - 4 C - 1 D - 2 | 
| Answer» B. A - 2 B - 1 C - 4 D - 3 | |
| 199. | 
                                    Madhav sanctuary is located in _________. | 
                            
| A. | Sagar | 
| B. | Hoshangabad | 
| C. | Sidhi | 
| D. | Shivpuri | 
| Answer» E. | |
| 200. | 
                                    In which year was the Wildlife Protection Act enforced in India? | 
                            
| A. | 1972 | 
| B. | 1980 | 
| C. | 1970 | 
| D. | 1975 | 
| Answer» B. 1980 | |