{"id":2195,"date":"2025-04-03T21:09:04","date_gmt":"2025-04-03T15:39:04","guid":{"rendered":"https:\/\/theiashub.com\/upsc\/?p=2195"},"modified":"2025-10-28T13:12:28","modified_gmt":"2025-10-28T07:42:28","slug":"environment-pyq-upsc-prelims","status":"publish","type":"post","link":"https:\/\/theiashub.com\/upsc\/environment-pyq-upsc-prelims\/","title":{"rendered":"Environment PYQ UPSC Prelims: Year-Wise &#038; Topic-Wise Analysis"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_82_2 counter-flat ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<label class=\"ez-toc-title ez-toc-toggle\" style=\"cursor:pointer\">Table of Contents<\/label>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #127abf;color:#127abf\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #127abf;color:#127abf\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 eztoc-toggle-hide-by-default' ><li class='ez-toc-page-1'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/theiashub.com\/upsc\/environment-pyq-upsc-prelims\/#Environment_PYQ_UPSC_Prelims_Year-wise_Trend\" >Environment PYQ UPSC Prelims: Year-wise Trend<\/a><\/li><li class='ez-toc-page-1'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/theiashub.com\/upsc\/environment-pyq-upsc-prelims\/#UPSC_Prelims_Environment_and_Ecology_Questions_Topic-Wise_Analysis\" >UPSC Prelims Environment and Ecology Questions: Topic-Wise Analysis<\/a><\/li><li class='ez-toc-page-1'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/theiashub.com\/upsc\/environment-pyq-upsc-prelims\/#Environment_PYQs_UPSC_Prelims_2024\" >Environment PYQs UPSC Prelims 2024<\/a><\/li><li class='ez-toc-page-1'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/theiashub.com\/upsc\/environment-pyq-upsc-prelims\/#Environment_PYQ_UPSC_Prelims_Preparation\" >Environment PYQ UPSC Prelims Preparation<\/a><\/li><li class='ez-toc-page-1'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/theiashub.com\/upsc\/environment-pyq-upsc-prelims\/#Environment_PYQ_UPSC_Prelims\" >Environment PYQ UPSC Prelims<\/a><\/li><\/ul><\/nav><\/div>\n\n<p><span style=\"font-weight: 400;\">If you&#8217;re preparing for the <\/span><b>UPSC Civil Services Prelims<\/b><span style=\"font-weight: 400;\">, understanding <\/span><b>Environment PYQ UPSC Prelims<\/b><span style=\"font-weight: 400;\"> (Previous Year Questions) is crucial. Environment and Ecology is a high-scoring section, and knowing <\/span><b>how many questions from the environment in UPSC Prelims<\/b><span style=\"font-weight: 400;\"> appear each year can help you strategize better.<\/span><\/p>\n<p><b>Also Read:<\/b><a href=\"https:\/\/theiashub.com\/upsc\/upsc-prelims-syllabus\/\" target=\"_blank\" rel=\"noopener\"> <span style=\"font-weight: 400;\">UPSC Prelims Syllabus<\/span><\/a><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Environment_PYQ_UPSC_Prelims_Year-wise_Trend\"><\/span><b>Environment PYQ UPSC Prelims: Year-wise Trend<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">Over the past decade, the number of <\/span><b>Environment and Ecology questions in UPSC Prelims<\/b><span style=\"font-weight: 400;\"> has increased significantly. <\/span><span style=\"font-weight: 400;\">The year-wise trend of Environment and Ecology questions shows that, on average, 20 questions have been asked from this section since 2018. Between 2018 and 2021, the number of questions remained high, but there was a decline in 2022 and 2023. Due to its overlap with current affairs, agriculture, and certain areas of geography, Environment remains one of the most significant subjects in the UPSC Prelims. The trend of Environment-related questions is outlined below. Environment Questions in UPSC Prelims<\/span><\/p>\n<p><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-2197\" src=\"https:\/\/i0.wp.com\/theiashub.com\/upsc\/wp-content\/uploads\/2025\/04\/PYQ.jpg?resize=300%2C160&#038;ssl=1\" alt=\"\" width=\"300\" height=\"160\" srcset=\"https:\/\/i0.wp.com\/theiashub.com\/upsc\/wp-content\/uploads\/2025\/04\/PYQ.jpg?resize=300%2C160&amp;ssl=1 300w, https:\/\/i0.wp.com\/theiashub.com\/upsc\/wp-content\/uploads\/2025\/04\/PYQ.jpg?w=651&amp;ssl=1 651w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/p>\n<p><b>Also Read:<\/b><a href=\"https:\/\/theiashub.com\/upsc\/?p=427&amp;preview=true\" target=\"_blank\" rel=\"noopener\"> <span style=\"font-weight: 400;\">Books for UPSC<\/span><\/a><\/p>\n<h2><span class=\"ez-toc-section\" id=\"UPSC_Prelims_Environment_and_Ecology_Questions_Topic-Wise_Analysis\"><\/span><b>UPSC Prelims Environment and Ecology Questions: Topic-Wise Analysis<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">Below is the table mentioning topic-wise breakup of Environment PYQs in UPSC Prelims:<\/span><\/p>\n<table>\n<tbody>\n<tr>\n<td><b>Environment \u2013 Topicwise Weightage<\/b><\/td>\n<td><b>% of Questions (2011-2024)<\/b><\/td>\n<td><b>% of Questions (2022-2024)<\/b><\/td>\n<td><b>No. of Questions (2011-2024)<\/b><\/td>\n<td><b>No. of Questions (2022-2024)<\/b><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">A) Environment Ecology<\/span><\/td>\n<td><span style=\"font-weight: 400;\">14%<\/span><\/td>\n<td><span style=\"font-weight: 400;\">20%<\/span><\/td>\n<td><span style=\"font-weight: 400;\">34<\/span><\/td>\n<td><span style=\"font-weight: 400;\">11<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">B) Biodiversity in India<\/span><\/td>\n<td><span style=\"font-weight: 400;\">22%<\/span><\/td>\n<td><span style=\"font-weight: 400;\">19%<\/span><\/td>\n<td><span style=\"font-weight: 400;\">54<\/span><\/td>\n<td><span style=\"font-weight: 400;\">10<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">C) Environment Pollution and Remedies<\/span><\/td>\n<td><span style=\"font-weight: 400;\">15%<\/span><\/td>\n<td><span style=\"font-weight: 400;\">17%<\/span><\/td>\n<td><span style=\"font-weight: 400;\">37<\/span><\/td>\n<td><span style=\"font-weight: 400;\">9<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">D) Climate Change<\/span><\/td>\n<td><span style=\"font-weight: 400;\">10%<\/span><\/td>\n<td><span style=\"font-weight: 400;\">7%<\/span><\/td>\n<td><span style=\"font-weight: 400;\">25<\/span><\/td>\n<td><span style=\"font-weight: 400;\">4<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">E) Indian Initiatives for Environment Protection<\/span><\/td>\n<td><span style=\"font-weight: 400;\">15%<\/span><\/td>\n<td><span style=\"font-weight: 400;\">9%<\/span><\/td>\n<td><span style=\"font-weight: 400;\">37<\/span><\/td>\n<td><span style=\"font-weight: 400;\">5<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">F) Global Initiatives for Environment Protection<\/span><\/td>\n<td><span style=\"font-weight: 400;\">11%<\/span><\/td>\n<td><span style=\"font-weight: 400;\">11%<\/span><\/td>\n<td><span style=\"font-weight: 400;\">28<\/span><\/td>\n<td><span style=\"font-weight: 400;\">6<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">G) Agriculture and Environment<\/span><\/td>\n<td><span style=\"font-weight: 400;\">7%<\/span><\/td>\n<td><span style=\"font-weight: 400;\">4%<\/span><\/td>\n<td><span style=\"font-weight: 400;\">18<\/span><\/td>\n<td><span style=\"font-weight: 400;\">2<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">H) Renewable and Alternate Energy Sources<\/span><\/td>\n<td><span style=\"font-weight: 400;\">5%<\/span><\/td>\n<td><span style=\"font-weight: 400;\">13%<\/span><\/td>\n<td><span style=\"font-weight: 400;\">13<\/span><\/td>\n<td><span style=\"font-weight: 400;\">7<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><b>Also Read:<\/b><a href=\"https:\/\/theiashub.com\/upsc\/?p=1514&amp;preview=true\" target=\"_blank\" rel=\"noopener\"> <span style=\"font-weight: 400;\">Digital Arrest<\/span><\/a><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Environment_PYQs_UPSC_Prelims_2024\"><\/span><b>Environment PYQs UPSC Prelims 2024<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<ol>\n<li><span style=\"font-weight: 400;\"> According to the Environmental Protection Agency (EPA), which one of the following is the largest source of sulphur dioxide emissions?<\/span><\/li>\n<li><span style=\"font-weight: 400;\">a)<\/span><span style=\"font-weight: 400;\"> \u00a0 \u00a0 <\/span><span style=\"font-weight: 400;\">Locomotives using fossil fuels<\/span><\/li>\n<li><span style=\"font-weight: 400;\">b)<\/span><span style=\"font-weight: 400;\"> \u00a0 \u00a0 <\/span><span style=\"font-weight: 400;\">Ships using fossil fuels<\/span><\/li>\n<li><span style=\"font-weight: 400;\">c)<\/span><span style=\"font-weight: 400;\"> \u00a0 \u00a0 <\/span><span style=\"font-weight: 400;\">Extraction of metals from ores<\/span><\/li>\n<li><span style=\"font-weight: 400;\">d)<\/span><span style=\"font-weight: 400;\"> \u00a0 \u00a0 <\/span><span style=\"font-weight: 400;\">Power plants using fossil fuels<\/span><\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<ol start=\"2\">\n<li><b> Consider the following statements:<\/b><\/li>\n<\/ol>\n<p><span style=\"font-weight: 400;\">Statement I: India does not import apples from the United States of America.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Statement-II: In India, the law prohibits the import of Genetically Modified food without the approval of the competent authority.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Which one of the following is correct in respect of the above statements?<\/span><\/p>\n<ol>\n<li><span style=\"font-weight: 400;\">a)<\/span><span style=\"font-weight: 400;\"> \u00a0 \u00a0 <\/span><span style=\"font-weight: 400;\">Both Statement-I and Statement-II are correct and Statement-II explains Statement-I.<\/span><\/li>\n<li><span style=\"font-weight: 400;\">b)<\/span><span style=\"font-weight: 400;\"> \u00a0 \u00a0 <\/span><span style=\"font-weight: 400;\">Both Statement-I and Statement-II are correct, but Statement-II does not explain Statement I<\/span><\/li>\n<li><span style=\"font-weight: 400;\">c)<\/span><span style=\"font-weight: 400;\"> \u00a0 \u00a0 <\/span><span style=\"font-weight: 400;\">Statement I is correct, but Statement II is incorrect.<\/span><\/li>\n<li><span style=\"font-weight: 400;\">d)<\/span><span style=\"font-weight: 400;\"> \u00a0 \u00a0 <\/span><span style=\"font-weight: 400;\">Statement I is incorrect, but Statement II is correct.<\/span><\/li>\n<\/ol>\n<p><span style=\"font-weight: 400;\">\u00a0<\/span><\/p>\n<ol start=\"3\">\n<li><b> The organisms \u201cCicada, Froghopper and Pond skater\u201d are :<\/b><\/li>\n<\/ol>\n<p><span style=\"font-weight: 400;\">(a) \u00a0 Birds<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u00a0\u00a0(b) \u00a0 Fish<\/span><\/p>\n<p><span style=\"font-weight: 400;\">(c) \u00a0 Insects<\/span><\/p>\n<p><span style=\"font-weight: 400;\">(d) \u00a0 Reptiles<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u00a0<\/span><\/p>\n<ol start=\"4\">\n<li><b> Consider the following statements:<\/b><\/li>\n<\/ol>\n<p><span style=\"font-weight: 400;\">Statement I: Many chewing gums found in the market are a source of environmental pollution.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Statement II: Many chewing gums contain plastic as gum base.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Which one of the following is correct in respect of the above statements?<\/span><\/p>\n<ol>\n<li><span style=\"font-weight: 400;\">a)<\/span><span style=\"font-weight: 400;\"> \u00a0 \u00a0 <\/span><span style=\"font-weight: 400;\">Both Statement-I and Statement-II are correct and Statement-II explains Statement-I<\/span><\/li>\n<li><span style=\"font-weight: 400;\">b)<\/span><span style=\"font-weight: 400;\"> \u00a0 \u00a0 <\/span><span style=\"font-weight: 400;\">Both Statement-I and Statement-II are correct, but Statement-II does not explain Statement-I<\/span><\/li>\n<li><span style=\"font-weight: 400;\">c)<\/span><span style=\"font-weight: 400;\"> \u00a0 \u00a0 <\/span><span style=\"font-weight: 400;\">Statement I is correct, but Statement II is incorrect<\/span><\/li>\n<li><span style=\"font-weight: 400;\">d)<\/span><span style=\"font-weight: 400;\"> \u00a0 \u00a0 <\/span><span style=\"font-weight: 400;\">Statement I is incorrect, but Statement II is correct<\/span><\/li>\n<\/ol>\n<p><span style=\"font-weight: 400;\">\u00a0<\/span><\/p>\n<ol start=\"5\">\n<li><b> Consider the following pairs:<\/b><\/li>\n<\/ol>\n<p><span style=\"font-weight: 400;\">Country\u00a0 \u00a0 \u00a0 \u00a0 <\/span> <span style=\"font-weight: 400;\">Animal found in its natural habitat<\/span><\/p>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">1.<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Brazil<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Indri<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">2.<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Indonesia<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Elk<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">3.<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Madagascar<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Bonobo<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><span style=\"font-weight: 400;\">How many of the pairs given above are correctly matched?<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u00a0\u00a0(a) \u00a0 Only one<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u00a0\u00a0(b) \u00a0 Only two<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u00a0\u00a0(c) \u00a0 All three<\/span><\/p>\n<p><span style=\"font-weight: 400;\">(d) \u00a0 None<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u00a0<\/span><\/p>\n<ol start=\"6\">\n<li><b> Consider the following statements:<\/b><\/li>\n<\/ol>\n<p><span style=\"font-weight: 400;\">Lions do not have a particular breeding season.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Unlike most other big cats, cheetahs don&#8217;t roar.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Unlike male lions, male leopards do not proclaim their territory by scent marking.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Which of the statements given above are correct?<\/span><\/p>\n<p><span style=\"font-weight: 400;\">(a) \u00a0 1 and 2 only<\/span><\/p>\n<p><span style=\"font-weight: 400;\">(b) \u00a0 2 and 3 only<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u00a0\u00a0(c) \u00a0 1 and 3 only<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u00a0\u00a0(d) \u00a0 1, 2 and 3<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u00a0<\/span><\/p>\n<ol start=\"7\">\n<li><b> Consider the following:<\/b><\/li>\n<li><span style=\"font-weight: 400;\"> \u00a0 \u00a0 <\/span><span style=\"font-weight: 400;\">Battery storage<\/span><\/li>\n<li><span style=\"font-weight: 400;\"> \u00a0 \u00a0 <\/span><span style=\"font-weight: 400;\">Biomass generators<\/span><\/li>\n<li><span style=\"font-weight: 400;\"> \u00a0 \u00a0 <\/span><span style=\"font-weight: 400;\">Fuel cells<\/span><\/li>\n<li><span style=\"font-weight: 400;\"> \u00a0 \u00a0 <\/span><span style=\"font-weight: 400;\">Rooftop solar photovoltaic units<\/span><\/li>\n<\/ol>\n<p><span style=\"font-weight: 400;\">How many of the above are considered \u201cDistributed Energy Resources\u201d?<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u00a0\u00a0(a) \u00a0 Only one<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u00a0\u00a0(b) \u00a0 Only two<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u00a0\u00a0(c) \u00a0 Only three<\/span><\/p>\n<p><span style=\"font-weight: 400;\">(d) \u00a0 All four<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u00a0<\/span><\/p>\n<ol start=\"8\">\n<li><b> Which one of the following shows a unique relationship with an insect that has coevolved with it and that is the only insect that can pollinate this tree?<\/b><\/li>\n<\/ol>\n<p><span style=\"font-weight: 400;\">(a) \u00a0 Fig<\/span><\/p>\n<p><span style=\"font-weight: 400;\">(b) \u00a0 Mahua<\/span><\/p>\n<p><span style=\"font-weight: 400;\">(c) \u00a0 Sandalwood<\/span><\/p>\n<p><span style=\"font-weight: 400;\">(d) \u00a0 Silk cotton<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u00a0<\/span><\/p>\n<ol start=\"9\">\n<li><b> Consider the following:<\/b><\/li>\n<li><span style=\"font-weight: 400;\"> \u00a0 \u00a0 <\/span><span style=\"font-weight: 400;\">Butterflies<\/span><\/li>\n<li><span style=\"font-weight: 400;\"> \u00a0 \u00a0 <\/span><span style=\"font-weight: 400;\">Fish<\/span><\/li>\n<li><span style=\"font-weight: 400;\"> \u00a0 \u00a0 <\/span><span style=\"font-weight: 400;\">Frogs<\/span><\/li>\n<\/ol>\n<p><span style=\"font-weight: 400;\">How many of the above have poisonous species among them?<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u00a0\u00a0(a) \u00a0 Only one<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u00a0\u00a0(b) \u00a0 Only two<\/span><\/p>\n<p><span style=\"font-weight: 400;\">(c) \u00a0 All three<\/span><\/p>\n<p><span style=\"font-weight: 400;\">(d) \u00a0 None<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u00a0<\/span><\/p>\n<ol start=\"10\">\n<li><b> With reference to perfluoroalkyl and polyfluoroalkyl substances (PFAS) that are used in making many consumer products, consider the following statements:<\/b><\/li>\n<li><span style=\"font-weight: 400;\"> \u00a0 \u00a0 <\/span><span style=\"font-weight: 400;\">PFAS are found to be widespread in drinking water, food and food packaging materials.<\/span><\/li>\n<li><span style=\"font-weight: 400;\"> \u00a0 \u00a0 <\/span><span style=\"font-weight: 400;\">PFAS are not easily degraded in the environment.<\/span><\/li>\n<li><span style=\"font-weight: 400;\"> \u00a0 \u00a0 <\/span><span style=\"font-weight: 400;\">Persistent exposure to PFAS can lead to bioaccumulation in animal bodies.<\/span><\/li>\n<\/ol>\n<p><span style=\"font-weight: 400;\">Which of the statements given above are correct?<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u00a0\u00a0(a) \u00a0 1 and 2 only<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u00a0\u00a0(b) \u00a0 2 and 3 only<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u00a0\u00a0(c) \u00a0 1 and 3 only<\/span><\/p>\n<p><span style=\"font-weight: 400;\">(d) \u00a0 1, 2 and 3<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u00a0<\/span><\/p>\n<ol start=\"11\">\n<li><span style=\"font-weight: 400;\"> Consider the following:<\/span><\/li>\n<li><span style=\"font-weight: 400;\"> \u00a0 \u00a0 <\/span><span style=\"font-weight: 400;\">Carabid beetles<\/span><\/li>\n<li><span style=\"font-weight: 400;\"> \u00a0 \u00a0 <\/span><span style=\"font-weight: 400;\">Centipedes<\/span><\/li>\n<li><span style=\"font-weight: 400;\"> \u00a0 \u00a0 <\/span><span style=\"font-weight: 400;\">Flies<\/span><\/li>\n<li><span style=\"font-weight: 400;\"> \u00a0 \u00a0 <\/span><span style=\"font-weight: 400;\">Termites<\/span><\/li>\n<li><span style=\"font-weight: 400;\"> \u00a0 \u00a0 <\/span><span style=\"font-weight: 400;\">Wasps<\/span><\/li>\n<\/ol>\n<p><span style=\"font-weight: 400;\">Parasitoid species are found in how many of the above kind of organisms?<\/span><\/p>\n<p><span style=\"font-weight: 400;\">(a) \u00a0 Only two<\/span><\/p>\n<p><span style=\"font-weight: 400;\">(b) \u00a0 Only three<\/span><\/p>\n<p><span style=\"font-weight: 400;\">(c) \u00a0 Only four<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u00a0(d) \u00a0 All five<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u00a0<\/span><\/p>\n<ol start=\"12\">\n<li><b> Consider the following statements:<\/b><\/li>\n<\/ol>\n<p><span style=\"font-weight: 400;\">\u00a0Statement-I: The Indian Flying Fox is placed under the \u201cvermin\u201d category in the Wild Life (Protection) Act, 1972.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u00a0Statement II: The Indian Flying Fox feeds on the blood of other animals.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Which one of the following is correct in respect of the above statements?<\/span><\/p>\n<ol>\n<li><span style=\"font-weight: 400;\"> \u00a0 <\/span><span style=\"font-weight: 400;\">Both Statement-I and Statement-II are correct and Statement-II explains Statement-I<\/span><\/li>\n<li><span style=\"font-weight: 400;\"> \u00a0 \u00a0 <\/span><span style=\"font-weight: 400;\">Both Statement-I and Statement-II are correct, but Statement-II does not explain Statement-I<\/span><\/li>\n<li><span style=\"font-weight: 400;\"> \u00a0 \u00a0 <\/span><span style=\"font-weight: 400;\">Statement -I is correct, but Statement II is incorrect<\/span><\/li>\n<li><span style=\"font-weight: 400;\"> \u00a0 <\/span><span style=\"font-weight: 400;\">Statement I is incorrect, but Statement II is correct<\/span><\/li>\n<\/ol>\n<p><b>Also Read:<\/b><a href=\"https:\/\/theiashub.com\/upsc\/?p=1183&amp;preview=true\" target=\"_blank\" rel=\"noopener\"> <span style=\"font-weight: 400;\">Chemistry optional syllabus<\/span><\/a><\/p>\n<div id=\"metaslider-id-5575\" style=\"width: 100%;\" class=\"ml-slider-3-107-0 metaslider metaslider-flex metaslider-5575 ml-slider has-dots-nav ms-theme-default-base\" role=\"region\" aria-label=\"New Slideshow\" data-height=\"300\" data-width=\"700\">\n    <div id=\"metaslider_container_5575\">\n        <div id=\"metaslider_5575\">\n            <ul aria-live='off' class='slides'>\n                <li style=\"display: block; width: 100%;\" class=\"slide-5579 ms-image \" aria-roledescription=\"slide\" data-date=\"2025-10-11 11:47:58\" data-filename=\"400-X-180cdr-scaled-700x300.jpg\" data-slide-type=\"image\"><a href=\"https:\/\/theiashub.com\/courses\/mains\/upsc-qep-2026-batch-5-english\" target=\"_self\" aria-label=\"View Slide Details\" class=\"metaslider_image_link\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" src=\"https:\/\/i0.wp.com\/theiashub.com\/upsc\/wp-content\/uploads\/2025\/10\/400-X-180cdr-scaled.jpg?resize=700%2C300&#038;ssl=1\" height=\"300\" width=\"700\" alt=\"\" class=\"slider-5575 slide-5579 msDefaultImage\" title=\"400 X 180cdr\" \/><\/a><\/li>\n                <li style=\"display: none; width: 100%;\" class=\"slide-5580 ms-image \" aria-roledescription=\"slide\" data-date=\"2025-10-11 11:47:58\" data-filename=\"pocket-notes-website-400x180-1-scaled-700x300.jpg\" data-slide-type=\"image\"><a href=\"https:\/\/theiashub.com\/courses\/upsc-cse-books\/qep-pocket-notes-2.0\" target=\"_self\" aria-label=\"View Slide Details\" class=\"metaslider_image_link\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" src=\"https:\/\/i0.wp.com\/theiashub.com\/upsc\/wp-content\/uploads\/2025\/10\/pocket-notes-website-400x180-1-scaled.jpg?resize=700%2C300&#038;ssl=1\" height=\"300\" width=\"700\" alt=\"\" class=\"slider-5575 slide-5580 msDefaultImage\" title=\"pocket-notes-website-400x180\" \/><\/a><\/li>\n                <li style=\"display: none; width: 100%;\" class=\"slide-5581 ms-image \" aria-roledescription=\"slide\" data-date=\"2025-10-11 11:47:58\" data-filename=\"web-site-banner-toppers-book.-400x180-1-scaled-700x300.jpg\" data-slide-type=\"image\"><a href=\"https:\/\/theiashub.com\/courses\/upsc-cse-books\/toppers-handwritten-upsc-pyq-4-books\" target=\"_self\" aria-label=\"View Slide Details\" class=\"metaslider_image_link\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" src=\"https:\/\/i0.wp.com\/theiashub.com\/upsc\/wp-content\/uploads\/2025\/10\/web-site-banner-toppers-book.-400x180-1-scaled.jpg?resize=700%2C300&#038;ssl=1\" height=\"300\" width=\"700\" alt=\"\" class=\"slider-5575 slide-5581 msDefaultImage\" title=\"web site banner toppers book. 400x180\" \/><\/a><\/li>\n            <\/ul>\n        <\/div>\n        \n    <\/div>\n<\/div>\n<h2><span class=\"ez-toc-section\" id=\"Environment_PYQ_UPSC_Prelims_Preparation\"><\/span><b>Environment PYQ UPSC Prelims Preparation<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><b>Step 1: Study NCERTs &amp; Standard Books<\/b><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Class 11-12 Biology (Ecology Chapters)<\/b><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Shankar IAS (Environment)<\/b><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>PMF IAS Environment Notes<\/b><\/li>\n<\/ul>\n<p><b>Step 2: Solve UPSC CSE Prelims PYQ of Environment (2013-2024)<\/b><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Identify <\/span><b>repeating themes<\/b><span style=\"font-weight: 400;\"> (e.g., Ramsar Sites appear almost yearly).<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Note <\/span><b>tricky MCQs<\/b><span style=\"font-weight: 400;\"> (e.g., matching species with IUCN status).<\/span><\/li>\n<\/ul>\n<p><b>Step 3: Follow Current Affairs<\/b><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Down To Earth Magazine<\/b><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>PIB (Ministry of Environment Releases)<\/b><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>UNEP Reports<\/b><\/li>\n<\/ul>\n<p><b>Step 4: Take Mock Tests<\/b><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Focus on elimination techniques<\/b><span style=\"font-weight: 400;\"> (e.g., IUCN Critically Endangered species).<\/span><\/li>\n<\/ul>\n<p><b>Common Mistakes in UPSC Prelims Environment Questions<\/b><\/p>\n<ol>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Ignoring Diagrams<\/b><span style=\"font-weight: 400;\"> (e.g., Carbon Cycle, Nitrogen Cycle).<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Overlooking International Bodies<\/b><span style=\"font-weight: 400;\"> (e.g., IPBES, CITES).<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Missing Recent Policies<\/b><span style=\"font-weight: 400;\"> (e.g., LiFE Mission 2023).<\/span><\/li>\n<\/ol>\n<p><b>Are you preparing for UPSC 2025?<\/b><a href=\"https:\/\/theiashub.com\/courses\/prelims\/prelims-samadhaan-mentorship-2025?utm_source=website&amp;utm_medium=home_page&amp;utm_campaign=course\"> <b>Join IAShub&#8217;s UPSC coaching batches<\/b><\/a><b> to boost your preparation. Enroll now!<\/b><\/p>\n<p><span style=\"font-weight: 400;\">Mastering <\/span><b>Environment PYQ UPSC Prelims<\/b><span style=\"font-weight: 400;\"> requires: <\/span><b>Topic-wise focus<\/b><span style=\"font-weight: 400;\"> (Biodiversity &gt; Climate Change &gt; Pollution). <\/span><b>Regular revision of UPSC CSE Prelims PYQ of Environment<\/b><span style=\"font-weight: 400;\">. <\/span><b>Current Affairs integration<\/b><span style=\"font-weight: 400;\"> (COP28, New Species Discoveries). With <\/span><b>15-20 questions yearly<\/b><span style=\"font-weight: 400;\">, this section can be a game-changer.<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Environment_PYQ_UPSC_Prelims\"><\/span><b>Environment PYQ UPSC Prelims<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<style>#sp-ea-2196 .spcollapsing { height: 0; overflow: hidden; transition-property: height;transition-duration: 300ms;}#sp-ea-2196{ position: relative; }#sp-ea-2196 .ea-card{ opacity: 0;}#eap-preloader-2196{ position: absolute; left: 0; top: 0; height: 100%;width: 100%; text-align: center;display: flex; align-items: center;justify-content: center;}#sp-ea-2196.sp-easy-accordion>.sp-ea-single {margin-bottom: 10px; border: 1px solid #e2e2e2; }#sp-ea-2196.sp-easy-accordion>.sp-ea-single>.ea-header a {color: #444;}#sp-ea-2196.sp-easy-accordion>.sp-ea-single>.sp-collapse>.ea-body {background: #fff; color: #444;}#sp-ea-2196.sp-easy-accordion>.sp-ea-single {background: #eee;}#sp-ea-2196.sp-easy-accordion>.sp-ea-single>.ea-header a .ea-expand-icon { float: left; color: #444;font-size: 16px;}.sp-ea-one.sp-easy-accordion .sp-ea-single .ea-header a {\r\n  padding: 7px;\r\n  background: #fff;\r\n}\r\n\r\n.sp-easy-accordion .sp-ea-single .ea-header a {\r\n  font-size: 1rem;\r\n}\r\n.sp-ea-one.sp-easy-accordion .sp-ea-single .ea-header a .ea-expand-icon {\r\n  font-size: 1rem;\r\n}\r\n\r\n.sp-easy-accordion .sp-ea-single .ea-header a .ea-expand-icon {\r\n  margin-right: 0px;\r\n}\r\n\r\n.sp-easy-accordion .sp-ea-single{\r\n background: #fff;\r\n}\r\n\r\n.ea-expand a{\r\n  background: #cfe2ff !important;\r\n}\r\n\r\n.sp-easy-accordion{\r\n  margin-bottom: 1rem;\r\n  margin-top: 1rem;\r\n}<\/style><div id=\"sp_easy_accordion-1743680787\"><div id=\"sp-ea-2196\" class=\"sp-ea-one sp-easy-accordion\" data-ea-active=\"ea-click\" data-ea-mode=\"vertical\" data-preloader=\"1\" data-scroll-active-item=\"1\" data-offset-to-scroll=\"0\"><div id=\"eap-preloader-2196\" class=\"accordion-preloader\"><img decoding=\"async\" src=\"https:\/\/theiashub.com\/upsc\/wp-content\/plugins\/easy-accordion-free\/public\/assets\/ea_loader.svg\" alt=\"Loader image\"\/><\/div><div class=\"ea-card ea-expand sp-ea-single\"><h3 class=\"ea-header\"><a class=\"collapsed\" id=\"ea-header-21960\" role=\"button\" data-sptoggle=\"spcollapse\" data-sptarget=\"#collapse21960\" aria-controls=\"collapse21960\" href=\"#\" aria-expanded=\"true\" tabindex=\"0\"><i aria-hidden=\"true\" role=\"presentation\" class=\"ea-expand-icon eap-icon-ea-expand-minus\"><\/i> How many Environment questions appear in UPSC Prelims?<\/a><\/h3><div class=\"sp-collapse spcollapse collapsed show\" id=\"collapse21960\" data-parent=\"#sp-ea-2196\" role=\"region\" aria-labelledby=\"ea-header-21960\"> <div class=\"ea-body\"><p><span style=\"font-weight: 400\">On average, 20 questions are asked from Environment and Ecology each year in UPSC Prelims, though the number fluctuates.<\/span><\/p><\/div><\/div><\/div><div class=\"ea-card sp-ea-single\"><h3 class=\"ea-header\"><a class=\"collapsed\" id=\"ea-header-21961\" role=\"button\" data-sptoggle=\"spcollapse\" data-sptarget=\"#collapse21961\" aria-controls=\"collapse21961\" href=\"#\" aria-expanded=\"false\" tabindex=\"0\"><i aria-hidden=\"true\" role=\"presentation\" class=\"ea-expand-icon eap-icon-ea-expand-plus\"><\/i> Why is Environment important for UPSC Prelims?<\/a><\/h3><div class=\"sp-collapse spcollapse \" id=\"collapse21961\" data-parent=\"#sp-ea-2196\" role=\"region\" aria-labelledby=\"ea-header-21961\"> <div class=\"ea-body\"><p><span style=\"font-weight: 400\">Environment overlaps with current affairs, geography, and agriculture, making it a high-scoring and crucial subject for UPSC Prelims.<\/span><\/p><\/div><\/div><\/div><div class=\"ea-card sp-ea-single\"><h3 class=\"ea-header\"><a class=\"collapsed\" id=\"ea-header-21962\" role=\"button\" data-sptoggle=\"spcollapse\" data-sptarget=\"#collapse21962\" aria-controls=\"collapse21962\" href=\"#\" aria-expanded=\"false\" tabindex=\"0\"><i aria-hidden=\"true\" role=\"presentation\" class=\"ea-expand-icon eap-icon-ea-expand-plus\"><\/i> What is the trend of Environment questions in UPSC Prelims?<\/a><\/h3><div class=\"sp-collapse spcollapse \" id=\"collapse21962\" data-parent=\"#sp-ea-2196\" role=\"region\" aria-labelledby=\"ea-header-21962\"> <div class=\"ea-body\"><p><span style=\"font-weight: 400\">\u00a0From 2018 to 2021, the number of questions was consistently high, but there was a decline in 2022 and 2023.<\/span><\/p><\/div><\/div><\/div><div class=\"ea-card sp-ea-single\"><h3 class=\"ea-header\"><a class=\"collapsed\" id=\"ea-header-21963\" role=\"button\" data-sptoggle=\"spcollapse\" data-sptarget=\"#collapse21963\" aria-controls=\"collapse21963\" href=\"#\" aria-expanded=\"false\" tabindex=\"0\"><i aria-hidden=\"true\" role=\"presentation\" class=\"ea-expand-icon eap-icon-ea-expand-plus\"><\/i> How to prepare for Environment PYQs for UPSC Prelims?<\/a><\/h3><div class=\"sp-collapse spcollapse \" id=\"collapse21963\" data-parent=\"#sp-ea-2196\" role=\"region\" aria-labelledby=\"ea-header-21963\"> <div class=\"ea-body\"><p><span style=\"font-weight: 400\">Study NCERTs, standard books like Shankar IAS, follow current affairs, and solve previous year questions to understand patterns.<\/span><\/p><\/div><\/div><\/div><div class=\"ea-card sp-ea-single\"><h3 class=\"ea-header\"><a class=\"collapsed\" id=\"ea-header-21964\" role=\"button\" data-sptoggle=\"spcollapse\" data-sptarget=\"#collapse21964\" aria-controls=\"collapse21964\" href=\"#\" aria-expanded=\"false\" tabindex=\"0\"><i aria-hidden=\"true\" role=\"presentation\" class=\"ea-expand-icon eap-icon-ea-expand-plus\"><\/i> Where can I find UPSC Prelims Environment PYQs?<\/a><\/h3><div class=\"sp-collapse spcollapse \" id=\"collapse21964\" data-parent=\"#sp-ea-2196\" role=\"region\" aria-labelledby=\"ea-header-21964\"> <div class=\"ea-body\"><p><span style=\"font-weight: 400\">UPSC's official website, past year question banks, and reliable coaching platforms provide compiled Environment PYQs for practice.<\/span><\/p><\/div><\/div><\/div><\/div><\/div>\n","protected":false},"excerpt":{"rendered":"<p>Master Environment PYQ UPSC Prelims with this complete guide. Learn how many questions from the environment in UPSC Prelims, analyze UPSC CSE Prelims PYQ of Environment.<\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[2],"tags":[],"class_list":["post-2195","post","type-post","status-publish","format-standard","hentry","category-blog"],"acf":[],"_links":{"self":[{"href":"https:\/\/theiashub.com\/upsc\/wp-json\/wp\/v2\/posts\/2195","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/theiashub.com\/upsc\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/theiashub.com\/upsc\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/theiashub.com\/upsc\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/theiashub.com\/upsc\/wp-json\/wp\/v2\/comments?post=2195"}],"version-history":[{"count":4,"href":"https:\/\/theiashub.com\/upsc\/wp-json\/wp\/v2\/posts\/2195\/revisions"}],"predecessor-version":[{"id":6350,"href":"https:\/\/theiashub.com\/upsc\/wp-json\/wp\/v2\/posts\/2195\/revisions\/6350"}],"wp:attachment":[{"href":"https:\/\/theiashub.com\/upsc\/wp-json\/wp\/v2\/media?parent=2195"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/theiashub.com\/upsc\/wp-json\/wp\/v2\/categories?post=2195"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/theiashub.com\/upsc\/wp-json\/wp\/v2\/tags?post=2195"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}