{"id":802903,"date":"2024-08-14T18:59:07","date_gmt":"2024-08-14T13:29:07","guid":{"rendered":"https:\/\/leverageedu.com\/discover\/?p=802903"},"modified":"2024-08-14T18:59:07","modified_gmt":"2024-08-14T13:29:07","slug":"exam-prep-environment-and-ecology-for-upsc","status":"publish","type":"post","link":"https:\/\/leverageedu.com\/discover\/indian-exams\/exam-prep-environment-and-ecology-for-upsc\/","title":{"rendered":"Environment and Ecology for UPSC Prelims"},"content":{"rendered":"\n

Planning to prepare for UPSC but facing difficulty with the environment and ecology of UPSC? If yes, then worry no more, as in this article we will include a top-notch timetable shared by IAS Tina Dabi to help you ace the examination. Also, we will share additional important information, like previous year’s questions, so that you can easily analyze the question pattern and the difficulty level. Apart from this, we will also talk about some tips and tricks to prepare for the UPSC prelims<\/strong><\/a>, environment and ecology subject.<\/p>\n\n\n\n\n\n

Environment and Ecology PYQ UPSC Prelims<\/h2>\n\n\n\n

Below you can find the previous 5 years Environment and Ecology upsc prelims question and answers.<\/p>\n\n\n\n

Previous Year Questions 2023<\/strong><\/p>\n\n\n\n

1. In the context of WHO Air Quality Guidelines, consider the following statements:<\/strong>

1. The 24-hour mean of should not exceed and annual mean of\u00a0 should not exceed2. In a year, the highest levels of ozone pollution occur during the periods of inclement weather.3. PM10<\/sub> can penetrate the lung barrier and enter the bloodstream.4. Excessive ozone in the air can trigger asthma.Which of the statements, given above are correct?A 1, 3 and 4 onlyB 1 and 4 onlyC 2, 3 and 4 onlyD 1 and 2 onlyThe correct answer is B.<\/p> <\/div>

2. With reference to \u201cGucchi\u201d sometimes mentioned in the news, consider the following statements:<\/strong>

1. It is a fungus.2. It grows in some Himalayan forest areas.3. It is commercially cultivated in the Himalayan foothills of north-eastern India.Which of the statements given above is\/are correct?A 1 onlyB 3 onlyC 1 and 2 onlyD 2 and 3 onlyThe correct answer is C.<\/p> <\/div>

3. Which of the following is not a bird?<\/strong>

A Golden MahseerB Indian NightjarC SpoonbillD White IbisThe correct answer is A.<\/p> <\/div>

4. Which of the following are nitrogen-fixing plants?<\/strong>

1. Alfalfa2. Amaranth3. Chickpea4. Clover5. Purslane (Kulfa)6. SpinachSelect the correct answer using the code given below:A 1, 3 and 4 onlyB 1, 3, 5 and 6 onlyC 2, 4, 5 and 6 onlyD 1, 2, 4, 5 and 6The correct answer is A.<\/p> <\/div>

5. \u201cBiorock technology\u201d is talked about in which one of the following situations ?<\/strong>

A Restoration of damaged coral reefsB Development of building materials using plant residuesC Identification of areas for exploration\/extraction of shale gasD Providing salt licks for wild animals in forests\/protected areasThe correct answer is A.<\/p> <\/div> <\/div>\n\n\n\n

Previous Year Questions 2022<\/strong><\/p>\n\n\n\n

1. Consider the following kinds of organisms:<\/strong>

1. Copepods2. Cyanobacteria3. 4. DiatomsForaminiferaWhich of the above are primary producers in the food chains of oceans?A 1 and 2 onlyB 2 and 3 onlyC 3 and 4 onlyD 1 and 4 onlyThe correct answer is B.<\/p> <\/div>

2. Consider the following animals:<\/strong>

1. Hedgehog2. Marmot3. PangolinTo reduce the chance of being captured by predators, which of the above organisms rolls up\/roll up and protects\/ protect its\/their vulnerable parts?A 1 and 2 onlyB 2 onlyC 3 onlyD 1 and 3 onlyThe correct answer is D.<\/p> <\/div>

3. Which one of the following is a filter feeder?<\/strong>

A CatfishB OctopusC OysterD PelicanThe correct answer is C.<\/p> <\/div>

4. Magnetite particles, suspected to cause neurodegenerative problems, are generated as environmental pollutants from which of the following?<\/strong>

1. Brakes of motor vehicles2. Engines of motor vehicles3. Microwave stoves within homes4. Power plants5. Telephone linesSelect the correct answer using the code given below.A 1, 2, 3 and 5 onlyB 1, 2 and 4 onlyC 3, 4 and 5 onlyD 1, 2, 3, 4 and 5The correct answer is D.<\/p> <\/div>

5. In case of which one of the following biogeochemical cycles, the weathering of rocks is the main source of release of nutrient to enter the cycle?<\/strong>

A Carbon cycleB Nitrogen cycleC Phosphorus cycleD Sulphur cycleThe correct answer is C.<\/p> <\/div> <\/div>\n\n\n\n

Previous Year Questions 2021<\/strong><\/p>\n\n\n\n

1. Which one of the following protected areas is well-known for the conservation of a sub-species of the Indian swamp deer (Barasingha) that thrives well on hard ground and is exclusively graminivorous?<\/strong>

A Kanha National ParkB Manas National ParkC Mudumalai Wildlife SanctuaryD Tal Chhapar Wildlife SanctuaryThe correct answer is A.<\/p> <\/div>

2. With reference to India\u2019s biodiversity, Ceylon frogmouth, Coppersmith barbet, Gray-chinned minivet and White-throated redstart are<\/strong>

A BirdsB PrimatesC ReptilesD AmphibiansThe correct answer is A.<\/p> <\/div>

3. Which of the following are the most likely places to find the musk deer in its natural habitat?<\/strong>

1. Askot Wildlife Sanctuary2. Gangotri National Park3. Kishanpur Wildlife Sanctuary4. Manas National ParkSelect the correct answer using the code given below:A 1 and 2 onlyB 2 and 3 onlyC 3 and 4 onlyD 1 and 4 onlyThe correct answer is A.<\/p> <\/div>

4. In rural road construction, the use of which of the following is preferred for ensuring environmental sustainability or to reduce carbon footprint?<\/strong>

1. Copper slag2. Cold mix asphalt technology3. Geotextiles4. Hot mix asphalt technology5. Portland cementSelect the correct answer using the code given below:A 1, 2 and 3 onlyB 2, 3 and 4 onlyC 4 and 5 onlyD 1 and 5 onlyThe correct answer is A.<\/p> <\/div>

5. Consider the following statements:<\/strong>

1. Coal ash contains arsenic, lead and mercury.2. Coal-fired power plants release sulphur dioxide and oxides of nitrogen into the environment.3. High ash content is observed in Indian coal.Which of the statements given above is\/are correct?A 1 onlyB 2 and 3 onlyC 3 onlyD 1, 2 and 3The correct answer is D.<\/p> <\/div> <\/div>\n\n\n\n

Previous Year Questions 2020<\/strong><\/p>\n\n\n\n

1. Consider the following:<\/strong>

1. Carbon monoxide2. Methane3. Ozone4. Sulphur dioxideWhich of the above are released into atmosphere due to the burning of crop\/biomass residue?A 1 and 2 onlyB 2, 3 and 4 onlyC 1 and 4 onlyD 1, 2, 3 and 4The correct answer is D.<\/p> <\/div>

2. Consider the following statements:<\/strong>

1. Under Ramsar Convention, it is mandatory on the part of the Government of India to protect and conserve all the wetlands in the territory of India.2. The Wetlands (Conservation and Management) Rules, 2010 were framed by the Government of India based on the recommendations of Ramsar Convention.3. The Wetlands (Conservation and Management) Rules, 2010 also encompass the drainage area or catchment regions of the wetlands as determined by the authority.Which of the statements given above is\/are correct?A 1 and 2 onlyB 2 and 3 onlyC 3 onlyD 1, 2 and 3The correct answer is B.<\/p> <\/div>

3. Which one of the following National Parks lies completely in the temperate alpine zone?<\/strong>

A Manas National ParkB Namdapha National ParkC Neora Valley National ParkD Valley of Flowers National ParkThe correct answer is D.<\/p> <\/div>

4. Consider the following statements:<\/strong>

1. Asiatic lion is naturally found in India only.2. Double-humped camel is naturally found in India only.3. One-horned rhinoceros is naturally found in India only.Which of the statements given above is\/are correct?A 1 onlyB 2 onlyC 1 and 3 onlyD 1, 2 and 3The correct answer is A.<\/p> <\/div>

5. Which of the following are in Agasthyamala Biosphere Reserve?<\/strong>

A Neyyar, Peppara and Shendurney Wildlife Sanctuaries; and Kalakad Mundanthurai Tiger ReserveB Mudumalai, Sathyamangalam and Wayanad Wildlife Sanctuaries; and Silent Valley National ParkC Kaundinya, Gundla Brahme-swaram and Papikonda Wildlife Sanctuaries; and Mukurthi National ParkD Kawal and Sri Venkateswara Wildlife Sanctuaries; and Nagarjunasagar-Srisailam Tiger ReserveThe correct answer is A.<\/p> <\/div> <\/div>\n\n\n\n

Previous Year Questions 2019<\/strong><\/p>\n\n\n\n

1. In which one of the following States is PakhuiWildlife Sanctuary located?<\/strong>

A Arunachal PradeshB ManipurC MeghalayaD NagalandThe correct answer is A.<\/p> <\/div>

2. How is the National Green Tribunal (NGT) different from the Central Pollution Control Board (CPCB)?<\/strong>

1. The NGT has been established by an Act whereas the CPCB has been created by an executive order of the Government.2. The NGT provides environmental justice and helps reduce the burden of litigation in the higher courts whereas the CPCB promotes cleanliness of streams and wells, and aims to improve the quality of air in the country.Which of the statements given above is\/are correct?A 1 onlyB 2 onlyC Both 1 and 2D Neither 1 nor 2The correct answer is B.<\/p> <\/div>

3. Which of the following leaf modifications occur(s) in the desert areas to inhibit water loss?<\/strong>

1. Hard and waxy leaves2. Tiny leaves3. Thorns instead of leavesSelect the correct answer using the code given below:A 2 and 3 onlyB 2 onlyC 3 onlyD 1, 2 and 3The correct answer is D.<\/p> <\/div> <\/div>\n\n\n\n

How to Prepare and Tips<\/h2>\n\n\n\n

<\/p>\n\n\n\n

Below are some of the general prepartions that quill help you to prepare well for your UPSC prelims environment examination. Have a look at them below\u2b07\ufe0f<\/p>\n\n\n\n

Understand the Syllabus\ud83d\udcdd<\/strong><\/p>\n\n\n\n