{"id":2848,"date":"2023-07-30T11:16:19","date_gmt":"2023-07-30T05:46:19","guid":{"rendered":"https:\/\/edunovations.com\/mcqs\/?p=2848"},"modified":"2023-07-31T15:31:36","modified_gmt":"2023-07-31T10:01:36","slug":"environmental-issues-biology-gk-mcq","status":"publish","type":"post","link":"https:\/\/edunovations.com\/mcqs\/environmental-issues-biology-gk-mcq\/","title":{"rendered":"Environmental Issues &#8211; Biology GK MCQ"},"content":{"rendered":"\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_81 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Table of Contents<\/p>\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: #999;color:#999\" 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: #999;color:#999\" 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 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/edunovations.com\/mcqs\/environmental-issues-biology-gk-mcq\/#Environmental_Issues_%E2%80%93_Biology_GK_MCQ_%E0%A4%AA%E0%A4%B0%E0%A5%8D%E0%A4%AF%E0%A4%BE%E0%A4%B5%E0%A4%B0%E0%A4%A3_%E0%A4%95%E0%A5%87_%E0%A4%AE%E0%A5%81%E0%A4%A6%E0%A5%8D%E0%A4%A6%E0%A5%87%E0%A4%82\" >Environmental Issues &#8211; Biology GK MCQ (\u092a\u0930\u094d\u092f\u093e\u0935\u0930\u0923 \u0915\u0947 \u092e\u0941\u0926\u094d\u0926\u0947\u0902)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/edunovations.com\/mcqs\/environmental-issues-biology-gk-mcq\/#Environmental_Issues_%E2%80%93_Biology_GK_MCQ_%E2%80%93_Previous_Year_Questions\" >Environmental Issues &#8211; Biology GK MCQ &#8211; Previous Year Questions<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/edunovations.com\/mcqs\/environmental-issues-biology-gk-mcq\/#Some_Important_Links\" >Some Important Links<\/a><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Environmental_Issues_%E2%80%93_Biology_GK_MCQ_%E0%A4%AA%E0%A4%B0%E0%A5%8D%E0%A4%AF%E0%A4%BE%E0%A4%B5%E0%A4%B0%E0%A4%A3_%E0%A4%95%E0%A5%87_%E0%A4%AE%E0%A5%81%E0%A4%A6%E0%A5%8D%E0%A4%A6%E0%A5%87%E0%A4%82\"><\/span>Environmental Issues <strong>&#8211; Biology GK MCQ<strong><strong> (<\/strong><\/strong><\/strong>\u092a\u0930\u094d\u092f\u093e\u0935\u0930\u0923 \u0915\u0947 \u092e\u0941\u0926\u094d\u0926\u0947\u0902)<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Welcome to our comprehensive MCQs page on &#8220;Environmental Issues,&#8221; where we delve into critical challenges that our planet faces today. Designed to cater to aspirants from various sectors, including UPSC IAS and more, our MCQs have been curated from previous year papers, offering a valuable platform to enhance your understanding of environmental concerns and excel in competitive exams.<\/p>\n\n\n\n<p><strong>Why Choose Our Environmental Issues MCQs?<\/strong><\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>Extensive Coverage: Our MCQs encompass a wide range of environmental issues, such as climate change, pollution, conservation, and sustainable practices, providing a holistic learning experience.<\/li>\n\n\n\n<li>Exam-Relevant Content: Each question has been carefully selected to align with the syllabi of prominent exams, ensuring you focus on the most crucial topics during your preparation.<\/li>\n\n\n\n<li>Real Exam Experience: By attempting MCQs from past papers, you can simulate exam scenarios, refine your problem-solving skills, and build confidence in tackling diverse questions.<\/li>\n\n\n\n<li>Expertly Vetted Questions: Our team of subject matter experts has meticulously reviewed and crafted each question to ensure accuracy and relevance.<\/li>\n\n\n\n<li>Stay Updated: We regularly update our question bank with the latest developments and research in environmental issues, keeping you well-informed and up-to-date.<\/li>\n\n\n\n<li>Track Your Progress: Utilize our MCQs to track your performance and identify areas that require improvement, enabling targeted and efficient study.<\/li>\n\n\n\n<li>All-Inclusive: Whether you are an aspirant for UPSC IAS or any other competitive exam, our MCQs cater to students from diverse academic backgrounds, fostering inclusive learning.<\/li>\n<\/ol>\n\n\n\n<p>Empower yourself with knowledge about pressing environmental challenges and prepare with confidence using our MCQs. Join us in our mission to foster environmental awareness and excel in your academic pursuits!<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Environmental_Issues_%E2%80%93_Biology_GK_MCQ_%E2%80%93_Previous_Year_Questions\"><\/span>Environmental Issues &#8211; Biology GK MCQ<strong> &#8211; <strong>Previous Year Questions<\/strong><\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n<style>\r\n    \/* Quiz container *\/\r\n    .quiz-container {\r\n        max-width: 800px;\r\n        margin: 0 auto;\r\n        padding: 20px;\r\n        box-sizing: border-box;\r\n        font-family: Arial, sans-serif;\r\n    }\r\n\r\n    \/* Question *\/\r\n    .question {\r\n        background-color: #f9f9f9;\r\n        padding: 20px;\r\n        border: 1px solid #ccc;\r\n        font-size: 20px;\r\n        margin-bottom: 20px;\r\n        border-radius: 5px;\r\n        box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);\r\n        position: relative;\r\n    }\r\n\r\n    \/* Question header *\/\r\n    .question h4 {\r\n        margin-bottom: 20px;\r\n    }\r\n\r\n    \/* Options list *\/\r\n    .options {\r\n        list-style-type: none;\r\n        padding: 0;\r\n    }\r\n\r\n    \/* Option item *\/\r\n    .options li {\r\n        margin: 10px;\r\n        padding: 10px;\r\n        display: flex;\r\n        align-items: center;\r\n        border-radius: 5px;\r\n        border: 2px solid #ccc;\r\n        box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);\r\n    }\r\n\r\n    \/* Option number *\/\r\n    .options li span {\r\n        margin-right: 10px;\r\n        width: 20px;\r\n        height: 20px;\r\n        border-radius: 50%;\r\n        border: 2px solid black;\r\n        display: flex;\r\n        justify-content: center;\r\n        align-items: center;\r\n        font-weight: bold;\r\n    }\r\n\r\n    \/* Option colors *\/\r\n    .options li span.option-a {\r\n        background-color: #FFD700; \/* Yellow *\/\r\n    }\r\n\r\n    .options li span.option-b {\r\n        background-color: #FF1493; \/* Pink *\/\r\n    }\r\n\r\n    .options li span.option-c {\r\n        background-color: #00BFFF; \/* Light Blue *\/\r\n    }\r\n\r\n    .options li span.option-d {\r\n        background-color: #7CFC00; \/* Green-Yellow *\/\r\n    }\r\n\r\n    .options li span.option-e {\r\n        background-color: #EE82EE; \/* Purple-Pink *\/\r\n    }\r\n\r\n    \/* Show answer button *\/\r\n    .show-answer {\r\n        background-color: #0066CC;\r\n        color: #fff;\r\n        border: none;\r\n        padding: 8px 20px;\r\n        font-size: 20px;\r\n        cursor: pointer;\r\n        border-radius: 3px;\r\n        text-align: center;\r\n        display: inline-block;\r\n        margin-bottom: 20px;\r\n    }\r\n\r\n    \/* Answer box *\/\r\n    .answer-box {\r\n        margin: 0 auto;\r\n        padding: 10px;\r\n        font-size: 20px;\r\n        color: #61970F;\r\n        box-sizing: border-box;\r\n        display: none;\r\n    }\r\n\r\n    \/* Question header *\/\r\n    .quiz-container .question-header {\r\n        color: darkblue;\r\n        font-weight: bold;\r\n        margin-right: 10px;\r\n    }\r\n\r\n    \/* Question header and text *\/\r\n    .quiz-container .question-header,\r\n    .quiz-container .question-text {\r\n        display: inline;\r\n        font-weight: bold;\r\n    }\r\n\r\n    \/* Responsive styles *\/\r\n    @media (max-width: 767px) {\r\n        .quiz-container {\r\n            padding: 10px;\r\n        }\r\n    }\r\n<\/style>\r\n<div class=\"quiz-container\">\r\n      <div class=\"question\">\r\n      <span class=\"question-header\">Question:<\/span>\r\n      <div class=\"question-text\">Snow-blindness in Antarctic region is due to .... [NEET 2020]<\/div>\r\n      <ul class=\"options\">\r\n        <li><span class=\"option-a\">A<\/span><label for=\"optA_183578\">High reflection of light from snow<\/label><\/li>\r\n        <li><span class=\"option-b\">B<\/span><label for=\"optB_183578\"> Damage to retina caused by infra-red rays<\/label><\/li>\r\n        <li><span class=\"option-c\">C<\/span><label for=\"optC_183578\"> Freezing of fluids in the eye by low temperature<\/label><\/li>\r\n        <li><span class=\"option-d\">D<\/span><label for=\"optD_183578\"> Inflammation of cornea due to high dose of UV-B radiation<\/label><\/li>\r\n              <\/ul>\r\n      <div class=\"answer-box\"><\/div>\r\n      <button class=\"show-answer\" data-answer=\"d\">Show Answer<\/button>\r\n    <\/div>\r\n      <div class=\"question\">\r\n      <span class=\"question-header\">Question:<\/span>\r\n      <div class=\"question-text\">The Earth Summit held in Rio de Janeiro in 1992 was called .... .... [NEET 2019]<\/div>\r\n      <ul class=\"options\">\r\n        <li><span class=\"option-a\">A<\/span><label for=\"optA_183579\"> to reduce CO2 emissions and global warming<\/label><\/li>\r\n        <li><span class=\"option-b\">B<\/span><label for=\"optB_183579\">for conservation of biodiversity and sustainable utilization of its benefits<\/label><\/li>\r\n        <li><span class=\"option-c\">C<\/span><label for=\"optC_183579\">) to assess threat posed to native species by invasive weed species<\/label><\/li>\r\n        <li><span class=\"option-d\">D<\/span><label for=\"optD_183579\"> for immediate steps to discontinue use of CFCs that were damaging the ozone layer<\/label><\/li>\r\n              <\/ul>\r\n      <div class=\"answer-box\"><\/div>\r\n      <button class=\"show-answer\" data-answer=\"b\">Show Answer<\/button>\r\n    <\/div>\r\n      <div class=\"question\">\r\n      <span class=\"question-header\">Question:<\/span>\r\n      <div class=\"question-text\">Which of the following protocols did aim for reducing emission of chlorofluorocarbons into the atmosphere? [NEET 2019]<\/div>\r\n      <ul class=\"options\">\r\n        <li><span class=\"option-a\">A<\/span><label for=\"optA_183580\"> Montreal Protocol<\/label><\/li>\r\n        <li><span class=\"option-b\">B<\/span><label for=\"optB_183580\">Kyoto Protocol<\/label><\/li>\r\n        <li><span class=\"option-c\">C<\/span><label for=\"optC_183580\">Gothenburg Protocol<\/label><\/li>\r\n        <li><span class=\"option-d\">D<\/span><label for=\"optD_183580\">Geneva Protocol<\/label><\/li>\r\n              <\/ul>\r\n      <div class=\"answer-box\"><\/div>\r\n      <button class=\"show-answer\" data-answer=\"d\">Show Answer<\/button>\r\n    <\/div>\r\n      <div class=\"question\">\r\n      <span class=\"question-header\">Question:<\/span>\r\n      <div class=\"question-text\">Identify the correct pair representing the causative agent of typhoid fever and the confirmatory test for typhoid. [NEET 2019]<\/div>\r\n      <ul class=\"options\">\r\n        <li><span class=\"option-a\">A<\/span><label for=\"optA_183581\"> Plasmodium vivax \/ UTI test<\/label><\/li>\r\n        <li><span class=\"option-b\">B<\/span><label for=\"optB_183581\">Streptococcus pneumoniae \/ Widal test<\/label><\/li>\r\n        <li><span class=\"option-c\">C<\/span><label for=\"optC_183581\">Salmonella typhi \/ Anthrone test<\/label><\/li>\r\n        <li><span class=\"option-d\">D<\/span><label for=\"optD_183581\"> Salmonella typhi \/ Widal test<\/label><\/li>\r\n              <\/ul>\r\n      <div class=\"answer-box\"><\/div>\r\n      <button class=\"show-answer\" data-answer=\"d\">Show Answer<\/button>\r\n    <\/div>\r\n      <div class=\"question\">\r\n      <span class=\"question-header\">Question:<\/span>\r\n      <div class=\"question-text\">Which of these following methods is the most suitable for disposal of nuclear waste? [NEET 2019] Explanation is provided, please click on<\/div>\r\n      <ul class=\"options\">\r\n        <li><span class=\"option-a\">A<\/span><label for=\"optA_183582\"> Shoot the waste into space<\/label><\/li>\r\n        <li><span class=\"option-b\">B<\/span><label for=\"optB_183582\"> Bury the waste under Antarctic ice-cover<\/label><\/li>\r\n        <li><span class=\"option-c\">C<\/span><label for=\"optC_183582\"> Dump the waste within rocks under deep ocean<\/label><\/li>\r\n        <li><span class=\"option-d\">D<\/span><label for=\"optD_183582\">Bury the waste within rocks deep below the Earth&#039;s surface<\/label><\/li>\r\n              <\/ul>\r\n      <div class=\"answer-box\"><\/div>\r\n      <button class=\"show-answer\" data-answer=\"d\">Show Answer<\/button>\r\n    <\/div>\r\n      <div class=\"question\">\r\n      <span class=\"question-header\">Question:<\/span>\r\n      <div class=\"question-text\">World Ozone Day is celebrated on [NEET 2018]<\/div>\r\n      <ul class=\"options\">\r\n        <li><span class=\"option-a\">A<\/span><label for=\"optA_183583\"> 16th September<\/label><\/li>\r\n        <li><span class=\"option-b\">B<\/span><label for=\"optB_183583\"> 21st April<\/label><\/li>\r\n        <li><span class=\"option-c\">C<\/span><label for=\"optC_183583\">5th June<\/label><\/li>\r\n        <li><span class=\"option-d\">D<\/span><label for=\"optD_183583\">22nd April<\/label><\/li>\r\n              <\/ul>\r\n      <div class=\"answer-box\"><\/div>\r\n      <button class=\"show-answer\" data-answer=\"a\">Show Answer<\/button>\r\n    <\/div>\r\n      <div class=\"question\">\r\n      <span class=\"question-header\">Question:<\/span>\r\n      <div class=\"question-text\">Which of the following is a secondary pollutant ?<\/div>\r\n      <ul class=\"options\">\r\n        <li><span class=\"option-a\">A<\/span><label for=\"optA_183584\">SO2<\/label><\/li>\r\n        <li><span class=\"option-b\">B<\/span><label for=\"optB_183584\">CO2<\/label><\/li>\r\n        <li><span class=\"option-c\">C<\/span><label for=\"optC_183584\">CO<\/label><\/li>\r\n        <li><span class=\"option-d\">D<\/span><label for=\"optD_183584\">O3<\/label><\/li>\r\n              <\/ul>\r\n      <div class=\"answer-box\"><\/div>\r\n      <button class=\"show-answer\" data-answer=\"d\">Show Answer<\/button>\r\n    <\/div>\r\n      <div class=\"question\">\r\n      <span class=\"question-header\">Question:<\/span>\r\n      <div class=\"question-text\">In stratosphere, which of the following elements acts as a catalyst in degradation of ozone and release of molecular oxygen ?<\/div>\r\n      <ul class=\"options\">\r\n        <li><span class=\"option-a\">A<\/span><label for=\"optA_183585\"> Fe<\/label><\/li>\r\n        <li><span class=\"option-b\">B<\/span><label for=\"optB_183585\"> Cl<\/label><\/li>\r\n        <li><span class=\"option-c\">C<\/span><label for=\"optC_183585\"> Carbon<\/label><\/li>\r\n        <li><span class=\"option-d\">D<\/span><label for=\"optD_183585\">Oxygen<\/label><\/li>\r\n              <\/ul>\r\n      <div class=\"answer-box\"><\/div>\r\n      <button class=\"show-answer\" data-answer=\"b\">Show Answer<\/button>\r\n    <\/div>\r\n      <div class=\"question\">\r\n      <span class=\"question-header\">Question:<\/span>\r\n      <div class=\"question-text\">Maximum damage to forest cover is caused by .... .... [M.P.P.M.T. 2012]<\/div>\r\n      <ul class=\"options\">\r\n        <li><span class=\"option-a\">A<\/span><label for=\"optA_183586\"> Edaphic factors<\/label><\/li>\r\n        <li><span class=\"option-b\">B<\/span><label for=\"optB_183586\"> Climate factors<\/label><\/li>\r\n        <li><span class=\"option-c\">C<\/span><label for=\"optC_183586\"> Biotic factors<\/label><\/li>\r\n        <li><span class=\"option-d\">D<\/span><label for=\"optD_183586\"> Physiographic factors<\/label><\/li>\r\n              <\/ul>\r\n      <div class=\"answer-box\"><\/div>\r\n      <button class=\"show-answer\" data-answer=\"c\">Show Answer<\/button>\r\n    <\/div>\r\n      <div class=\"question\">\r\n      <span class=\"question-header\">Question:<\/span>\r\n      <div class=\"question-text\">UV radiations bring about .... ..... [Har P.M.T. 1994]<\/div>\r\n      <ul class=\"options\">\r\n        <li><span class=\"option-a\">A<\/span><label for=\"optA_183587\">Skin cancer<\/label><\/li>\r\n        <li><span class=\"option-b\">B<\/span><label for=\"optB_183587\"> Mouth cancer<\/label><\/li>\r\n        <li><span class=\"option-c\">C<\/span><label for=\"optC_183587\">Lung cancer<\/label><\/li>\r\n        <li><span class=\"option-d\">D<\/span><label for=\"optD_183587\"> Liver cancer<\/label><\/li>\r\n              <\/ul>\r\n      <div class=\"answer-box\"><\/div>\r\n      <button class=\"show-answer\" data-answer=\"a\">Show Answer<\/button>\r\n    <\/div>\r\n      <div class=\"question\">\r\n      <span class=\"question-header\">Question:<\/span>\r\n      <div class=\"question-text\">Methane gas producing field is .... .... [Har .P.M.T. 2000]<\/div>\r\n      <ul class=\"options\">\r\n        <li><span class=\"option-a\">A<\/span><label for=\"optA_183588\">Wheat field<\/label><\/li>\r\n        <li><span class=\"option-b\">B<\/span><label for=\"optB_183588\"> Paddy field<\/label><\/li>\r\n        <li><span class=\"option-c\">C<\/span><label for=\"optC_183588\"> Cotton field<\/label><\/li>\r\n        <li><span class=\"option-d\">D<\/span><label for=\"optD_183588\">Groundnut field<\/label><\/li>\r\n              <\/ul>\r\n      <div class=\"answer-box\"><\/div>\r\n      <button class=\"show-answer\" data-answer=\"b\">Show Answer<\/button>\r\n    <\/div>\r\n      <div class=\"question\">\r\n      <span class=\"question-header\">Question:<\/span>\r\n      <div class=\"question-text\">Match the items given in Column I with those in Column II and select the correct option given below :\r\nColumn I\tColumn II\r\na. Eutrophication\ti. UV-B radiation\r\nb. Sanitary landfill\tii. Deforestation\r\nc. Snow blindness\tiii. Nutrient enrichment\r\nd. Jhum cultivation\tiv. Waste disposal\r\n<\/div>\r\n      <ul class=\"options\">\r\n        <li><span class=\"option-a\">A<\/span><label for=\"optA_183589\">a \u2192 iii; b \u2192 iv; c \u2192 i; d \u2192 ii;<\/label><\/li>\r\n        <li><span class=\"option-b\">B<\/span><label for=\"optB_183589\">. a \u2192 i; b \u2192 iii; c \u2192 iv; d \u2192 ii;<\/label><\/li>\r\n        <li><span class=\"option-c\">C<\/span><label for=\"optC_183589\">a \u2192 ii; b \u2192 i; c \u2192 iii; d \u2192 iv;<\/label><\/li>\r\n        <li><span class=\"option-d\">D<\/span><label for=\"optD_183589\"> a \u2192 i; b \u2192 ii; c \u2192 iv; d \u2192 iii;<\/label><\/li>\r\n              <\/ul>\r\n      <div class=\"answer-box\"><\/div>\r\n      <button class=\"show-answer\" data-answer=\"a\">Show Answer<\/button>\r\n    <\/div>\r\n      <div class=\"question\">\r\n      <span class=\"question-header\">Question:<\/span>\r\n      <div class=\"question-text\">Montreal protocol was signed in 1987 for control of ... ..[NEET 2020]<\/div>\r\n      <ul class=\"options\">\r\n        <li><span class=\"option-a\">A<\/span><label for=\"optA_183590\">Release of Green House gases<\/label><\/li>\r\n        <li><span class=\"option-b\">B<\/span><label for=\"optB_183590\">Disposal of e-wastes<\/label><\/li>\r\n        <li><span class=\"option-c\">C<\/span><label for=\"optC_183590\"> Transport of Genetically modified organisms from one country to another<\/label><\/li>\r\n        <li><span class=\"option-d\">D<\/span><label for=\"optD_183590\"> Emission of ozone depleting substances<\/label><\/li>\r\n              <\/ul>\r\n      <div class=\"answer-box\"><\/div>\r\n      <button class=\"show-answer\" data-answer=\"d\">Show Answer<\/button>\r\n    <\/div>\r\n      <div class=\"question\">\r\n      <span class=\"question-header\">Question:<\/span>\r\n      <div class=\"question-text\">Most important causative pollutant of water that changes its pH is ... ... [A.M.U. 1998]<\/div>\r\n      <ul class=\"options\">\r\n        <li><span class=\"option-a\">A<\/span><label for=\"optA_183591\"> Plastic<\/label><\/li>\r\n        <li><span class=\"option-b\">B<\/span><label for=\"optB_183591\">Glass junk<\/label><\/li>\r\n        <li><span class=\"option-c\">C<\/span><label for=\"optC_183591\">Iron junk<\/label><\/li>\r\n        <li><span class=\"option-d\">D<\/span><label for=\"optD_183591\">Detergents<\/label><\/li>\r\n              <\/ul>\r\n      <div class=\"answer-box\"><\/div>\r\n      <button class=\"show-answer\" data-answer=\"d\">Show Answer<\/button>\r\n    <\/div>\r\n      <div class=\"question\">\r\n      <span class=\"question-header\">Question:<\/span>\r\n      <div class=\"question-text\">Match the columns .... .... [Kerala 2005]\r\na. DDT\ti. CO, CO2\r\nb. PAN\tii. Smog\r\nc. Acid rain\tiii. Biological magnification\r\nd. Global warming\tiv. SO2<\/div>\r\n      <ul class=\"options\">\r\n        <li><span class=\"option-a\">A<\/span><label for=\"optA_183592\">a - iv, b - iii, c - ii, d - i<\/label><\/li>\r\n        <li><span class=\"option-b\">B<\/span><label for=\"optB_183592\">a - i, b - iii, c - ii, d - iv<\/label><\/li>\r\n        <li><span class=\"option-c\">C<\/span><label for=\"optC_183592\"> a - ii, b - iii, c - iv, d - i<\/label><\/li>\r\n        <li><span class=\"option-d\">D<\/span><label for=\"optD_183592\"> a - iii, b - ii, c - iv, d \u2013 i<\/label><\/li>\r\n              <\/ul>\r\n      <div class=\"answer-box\"><\/div>\r\n      <button class=\"show-answer\" data-answer=\"d\">Show Answer<\/button>\r\n    <\/div>\r\n      <div class=\"question\">\r\n      <span class=\"question-header\">Question:<\/span>\r\n      <div class=\"question-text\">Aerosols having carbon and fluorine compounds are chiefly released by .... ..... [A.M.U. 1997]<\/div>\r\n      <ul class=\"options\">\r\n        <li><span class=\"option-a\">A<\/span><label for=\"optA_183593\"> Refineries<\/label><\/li>\r\n        <li><span class=\"option-b\">B<\/span><label for=\"optB_183593\">Automobiles<\/label><\/li>\r\n        <li><span class=\"option-c\">C<\/span><label for=\"optC_183593\"> Industries<\/label><\/li>\r\n        <li><span class=\"option-d\">D<\/span><label for=\"optD_183593\">Jets<\/label><\/li>\r\n              <\/ul>\r\n      <div class=\"answer-box\"><\/div>\r\n      <button class=\"show-answer\" data-answer=\"d\">Show Answer<\/button>\r\n    <\/div>\r\n      <div class=\"question\">\r\n      <span class=\"question-header\">Question:<\/span>\r\n      <div class=\"question-text\">Blue-baby syndrome results from .... .... [C.B.S.E. 2006]<\/div>\r\n      <ul class=\"options\">\r\n        <li><span class=\"option-a\">A<\/span><label for=\"optA_183594\"> Excess of TDS<\/label><\/li>\r\n        <li><span class=\"option-b\">B<\/span><label for=\"optB_183594\">Excess of chlorides<\/label><\/li>\r\n        <li><span class=\"option-c\">C<\/span><label for=\"optC_183594\"> Excess of dissolved oxygen<\/label><\/li>\r\n        <li><span class=\"option-d\">D<\/span><label for=\"optD_183594\"> Methaemoglobin<\/label><\/li>\r\n              <\/ul>\r\n      <div class=\"answer-box\"><\/div>\r\n      <button class=\"show-answer\" data-answer=\"d\">Show Answer<\/button>\r\n    <\/div>\r\n      <div class=\"question\">\r\n      <span class=\"question-header\">Question:<\/span>\r\n      <div class=\"question-text\">Most inhabitants of Kolkata suffer from bronchitis. It is due to excess .... ... [J.I.P.M.E.R. 1999]<\/div>\r\n      <ul class=\"options\">\r\n        <li><span class=\"option-a\">A<\/span><label for=\"optA_183595\">Adulteration of food<\/label><\/li>\r\n        <li><span class=\"option-b\">B<\/span><label for=\"optB_183595\"> Impurity of water<\/label><\/li>\r\n        <li><span class=\"option-c\">C<\/span><label for=\"optC_183595\"> Polluted air<\/label><\/li>\r\n        <li><span class=\"option-d\">D<\/span><label for=\"optD_183595\">Polluted soil<\/label><\/li>\r\n              <\/ul>\r\n      <div class=\"answer-box\"><\/div>\r\n      <button class=\"show-answer\" data-answer=\"c\">Show Answer<\/button>\r\n    <\/div>\r\n      <div class=\"question\">\r\n      <span class=\"question-header\">Question:<\/span>\r\n      <div class=\"question-text\">Pollution caused by persistent pesticides is more hazardous to .... ..... [Har. P.M.T. 2007]<\/div>\r\n      <ul class=\"options\">\r\n        <li><span class=\"option-a\">A<\/span><label for=\"optA_183596\">Herbivores<\/label><\/li>\r\n        <li><span class=\"option-b\">B<\/span><label for=\"optB_183596\">Producers<\/label><\/li>\r\n        <li><span class=\"option-c\">C<\/span><label for=\"optC_183596\"> First level carnivores<\/label><\/li>\r\n        <li><span class=\"option-d\">D<\/span><label for=\"optD_183596\">Top carnivores<\/label><\/li>\r\n              <\/ul>\r\n      <div class=\"answer-box\"><\/div>\r\n      <button class=\"show-answer\" data-answer=\"d\">Show Answer<\/button>\r\n    <\/div>\r\n      <div class=\"question\">\r\n      <span class=\"question-header\">Question:<\/span>\r\n      <div class=\"question-text\">In human body chlorinated hydrocarbons accumulate in .... .... [C.E.T. Chd .2010]<\/div>\r\n      <ul class=\"options\">\r\n        <li><span class=\"option-a\">A<\/span><label for=\"optA_183597\">Bones<\/label><\/li>\r\n        <li><span class=\"option-b\">B<\/span><label for=\"optB_183597\">Brain<\/label><\/li>\r\n        <li><span class=\"option-c\">C<\/span><label for=\"optC_183597\"> Fatty tissue<\/label><\/li>\r\n        <li><span class=\"option-d\">D<\/span><label for=\"optD_183597\">Skin<\/label><\/li>\r\n              <\/ul>\r\n      <div class=\"answer-box\"><\/div>\r\n      <button class=\"show-answer\" data-answer=\"c\">Show Answer<\/button>\r\n    <\/div>\r\n  <\/div>\r\n<script src=\"https:\/\/code.jquery.com\/jquery-3.6.0.min.js\"><\/script>\r\n<script>\r\n$(document).ready(function() {\r\n  $('.show-answer').click(function() {\r\n    var answer = $(this).data('answer');\r\n    $(this).siblings('.answer-box').html('The correct answer is: ' + answer).slideDown();\r\n    $(this).hide();\r\n  });\r\n});\r\n<\/script>\n\n\n\n<p><\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Some_Important_Links\"><\/span>Some Important Links <span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<div class=\"wp-block-buttons is-layout-flex wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button is-style-outline is-style-outline--1\"><a class=\"wp-block-button__link wp-element-button\" href=\"https:\/\/edunovations.com\/mcqs\/category\/subject-wise\/geography\/\" target=\"_blank\" rel=\"noreferrer noopener\">Geography MCQs<\/a><\/div>\n\n\n\n<div class=\"wp-block-button is-style-outline is-style-outline--2\"><a class=\"wp-block-button__link wp-element-button\" href=\"https:\/\/edunovations.com\/mcqs\/category\/state-gk-mcq\/\" target=\"_blank\" rel=\"noreferrer noopener\">State GK MCQs<\/a><\/div>\n\n\n\n<div class=\"wp-block-button is-style-outline is-style-outline--3\"><a class=\"wp-block-button__link wp-element-button\" href=\"https:\/\/edunovations.com\/mcqs\/category\/current-affairs-mcq\/\" target=\"_blank\" rel=\"noreferrer noopener\">Daily Current Affairs MCQs<\/a><\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-buttons is-layout-flex wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link wp-element-button\" href=\"https:\/\/edunovations.com\/mcqs\/category\/ncert\/\" target=\"_blank\" rel=\"noreferrer noopener\">NCERT MCQs<\/a><\/div>\n\n\n\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link wp-element-button\" href=\"https:\/\/edunovations.com\/mcqs\/category\/subject-wise\/indian-history\/\" target=\"_blank\" rel=\"noreferrer noopener\">Indian History MCQs<\/a><\/div>\n\n\n\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link wp-element-button\" href=\"https:\/\/edunovations.com\/mcqs\/category\/subject-wise\/indian-polity\/\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>Indian Polity MCQ<\/strong>s<\/a><\/div>\n<\/div>\n\n\n\n<figure class=\"wp-block-image size-full\" id=\"Free-GK-MCQ-App\"><a href=\"https:\/\/play.google.com\/store\/apps\/details?id=com.edunovations.quiz\" target=\"_blank\" rel=\"Free GK MCQ App noreferrer noopener\"><img fetchpriority=\"high\" decoding=\"async\" width=\"900\" height=\"150\" src=\"https:\/\/edunovations.com\/mcqs\/wp-content\/uploads\/2023\/06\/Free-MCQ-App.jpg\" alt=\"Free GK MCQ App\" class=\"wp-image-743\" title=\"Free GK MCQ App\" srcset=\"https:\/\/edunovations.com\/mcqs\/wp-content\/uploads\/2023\/06\/Free-MCQ-App.jpg 900w, https:\/\/edunovations.com\/mcqs\/wp-content\/uploads\/2023\/06\/Free-MCQ-App-300x50.jpg 300w, https:\/\/edunovations.com\/mcqs\/wp-content\/uploads\/2023\/06\/Free-MCQ-App-768x128.jpg 768w\" sizes=\"(max-width: 900px) 100vw, 900px\" \/><\/a><figcaption class=\"wp-element-caption\">Free GK MCQ App<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\" id=\"Free-Daily-Current-Affairs-MCQ-App\"><a href=\"https:\/\/play.google.com\/store\/apps\/details?id=com.edunovations.quiz\" target=\"_blank\" rel=\"Free Daily Current Affairs MCQ App noopener\"><img decoding=\"async\" width=\"900\" height=\"150\" src=\"https:\/\/edunovations.com\/mcqs\/wp-content\/uploads\/2023\/06\/Banner-current-affairs-2.jpg\" alt=\"Free Daily Current Affairs MCQ App\" class=\"wp-image-744\" title=\"Free Daily Current Affairs MCQ App\" srcset=\"https:\/\/edunovations.com\/mcqs\/wp-content\/uploads\/2023\/06\/Banner-current-affairs-2.jpg 900w, https:\/\/edunovations.com\/mcqs\/wp-content\/uploads\/2023\/06\/Banner-current-affairs-2-300x50.jpg 300w, https:\/\/edunovations.com\/mcqs\/wp-content\/uploads\/2023\/06\/Banner-current-affairs-2-768x128.jpg 768w\" sizes=\"(max-width: 900px) 100vw, 900px\" \/><\/a><figcaption class=\"wp-element-caption\">Free Daily Current Affairs MCQ App<\/figcaption><\/figure>\n\n\n\n<script async=\"\" src=\"https:\/\/pagead2.googlesyndication.com\/pagead\/js\/adsbygoogle.js?client=ca-pub-6643489308705072\" crossorigin=\"anonymous\"><\/script>\r\n<ins class=\"adsbygoogle\" style=\"display:block\" data-ad-format=\"autorelaxed\" data-ad-client=\"ca-pub-6643489308705072\" data-ad-slot=\"2759669284\"><\/ins>\r\n<script>\r\n     (adsbygoogle = window.adsbygoogle || []).push({});\r\n<\/script>\n","protected":false},"excerpt":{"rendered":"<p>Environmental Issues &#8211; Biology GK MCQ (\u092a\u0930\u094d\u092f\u093e\u0935\u0930\u0923 \u0915\u0947 \u092e\u0941\u0926\u094d\u0926\u0947\u0902) Welcome to our comprehensive MCQs page on &#8220;Environmental Issues,&#8221; where we delve into critical challenges that our planet faces today. Designed to cater to aspirants from various sectors, including UPSC IAS and more, our MCQs have been curated from previous year papers, offering a valuable platform [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":2852,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"ocean_post_layout":"","ocean_both_sidebars_style":"","ocean_both_sidebars_content_width":0,"ocean_both_sidebars_sidebars_width":0,"ocean_sidebar":"","ocean_second_sidebar":"","ocean_disable_margins":"enable","ocean_add_body_class":"","ocean_shortcode_before_top_bar":"","ocean_shortcode_after_top_bar":"","ocean_shortcode_before_header":"","ocean_shortcode_after_header":"","ocean_has_shortcode":"","ocean_shortcode_after_title":"","ocean_shortcode_before_footer_widgets":"","ocean_shortcode_after_footer_widgets":"","ocean_shortcode_before_footer_bottom":"","ocean_shortcode_after_footer_bottom":"","ocean_display_top_bar":"default","ocean_display_header":"default","ocean_header_style":"","ocean_center_header_left_menu":"","ocean_custom_header_template":"","ocean_custom_logo":0,"ocean_custom_retina_logo":0,"ocean_custom_logo_max_width":0,"ocean_custom_logo_tablet_max_width":0,"ocean_custom_logo_mobile_max_width":0,"ocean_custom_logo_max_height":0,"ocean_custom_logo_tablet_max_height":0,"ocean_custom_logo_mobile_max_height":0,"ocean_header_custom_menu":"","ocean_menu_typo_font_family":"","ocean_menu_typo_font_subset":"","ocean_menu_typo_font_size":0,"ocean_menu_typo_font_size_tablet":0,"ocean_menu_typo_font_size_mobile":0,"ocean_menu_typo_font_size_unit":"px","ocean_menu_typo_font_weight":"","ocean_menu_typo_font_weight_tablet":"","ocean_menu_typo_font_weight_mobile":"","ocean_menu_typo_transform":"","ocean_menu_typo_transform_tablet":"","ocean_menu_typo_transform_mobile":"","ocean_menu_typo_line_height":0,"ocean_menu_typo_line_height_tablet":0,"ocean_menu_typo_line_height_mobile":0,"ocean_menu_typo_line_height_unit":"","ocean_menu_typo_spacing":0,"ocean_menu_typo_spacing_tablet":0,"ocean_menu_typo_spacing_mobile":0,"ocean_menu_typo_spacing_unit":"","ocean_menu_link_color":"","ocean_menu_link_color_hover":"","ocean_menu_link_color_active":"","ocean_menu_link_background":"","ocean_menu_link_hover_background":"","ocean_menu_link_active_background":"","ocean_menu_social_links_bg":"","ocean_menu_social_hover_links_bg":"","ocean_menu_social_links_color":"","ocean_menu_social_hover_links_color":"","ocean_disable_title":"default","ocean_disable_heading":"default","ocean_post_title":"","ocean_post_subheading":"","ocean_post_title_style":"","ocean_post_title_background_color":"","ocean_post_title_background":0,"ocean_post_title_bg_image_position":"","ocean_post_title_bg_image_attachment":"","ocean_post_title_bg_image_repeat":"","ocean_post_title_bg_image_size":"","ocean_post_title_height":0,"ocean_post_title_bg_overlay":0.5,"ocean_post_title_bg_overlay_color":"","ocean_disable_breadcrumbs":"default","ocean_breadcrumbs_color":"","ocean_breadcrumbs_separator_color":"","ocean_breadcrumbs_links_color":"","ocean_breadcrumbs_links_hover_color":"","ocean_display_footer_widgets":"default","ocean_display_footer_bottom":"default","ocean_custom_footer_template":"","ocean_post_oembed":"","ocean_post_self_hosted_media":"","ocean_post_video_embed":"","ocean_link_format":"","ocean_link_format_target":"self","ocean_quote_format":"","ocean_quote_format_link":"post","ocean_gallery_link_images":"off","ocean_gallery_id":[],"footnotes":""},"categories":[77],"tags":[2382,700,2381,650,91,2383,647],"class_list":["post-2848","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-biology","tag-climate-change","tag-conservation","tag-environmental-issues","tag-ias","tag-mcqs","tag-pollution","tag-upsc","entry","has-media"],"_links":{"self":[{"href":"https:\/\/edunovations.com\/mcqs\/wp-json\/wp\/v2\/posts\/2848","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/edunovations.com\/mcqs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/edunovations.com\/mcqs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/edunovations.com\/mcqs\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/edunovations.com\/mcqs\/wp-json\/wp\/v2\/comments?post=2848"}],"version-history":[{"count":0,"href":"https:\/\/edunovations.com\/mcqs\/wp-json\/wp\/v2\/posts\/2848\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/edunovations.com\/mcqs\/wp-json\/wp\/v2\/media\/2852"}],"wp:attachment":[{"href":"https:\/\/edunovations.com\/mcqs\/wp-json\/wp\/v2\/media?parent=2848"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/edunovations.com\/mcqs\/wp-json\/wp\/v2\/categories?post=2848"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/edunovations.com\/mcqs\/wp-json\/wp\/v2\/tags?post=2848"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}