{"id":5213,"date":"2023-11-14T07:39:36","date_gmt":"2023-11-14T02:09:36","guid":{"rendered":"https:\/\/edunovations.com\/mcqs\/?p=5213"},"modified":"2023-11-14T07:44:59","modified_gmt":"2023-11-14T02:14:59","slug":"ncert-class-8-science-mcq-2","status":"publish","type":"post","link":"https:\/\/edunovations.com\/mcqs\/ncert-class-8-science-mcq-2\/","title":{"rendered":"NCERT Class 8 Science MCQ :\u00a0Microorganisms Friend and"},"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\/ncert-class-8-science-mcq-2\/#NCERT_Class_8_Science_MCQ_Microorganisms_Friend_and_Foe\" >NCERT Class 8 Science MCQ :&nbsp;Microorganisms Friend and Foe<\/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\/ncert-class-8-science-mcq-2\/#NCERT_Class_8_Science_Microorganisms_Friend_and_Foe_MCQ_%E2%80%93_NCERT_Class_8_MCQ\" >NCERT Class 8 Science : Microorganisms Friend and Foe MCQ &#8211; NCERT Class 8 MCQ<\/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\/ncert-class-8-science-mcq-2\/#Some_Important_Links\" >Some Important Links<\/a><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"NCERT_Class_8_Science_MCQ_Microorganisms_Friend_and_Foe\"><\/span>NCERT Class 8 Science MCQ :&nbsp;Microorganisms Friend and Foe<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Embark on an intriguing journey through the microscopic world with our &#8220;Microorganisms: Friend and Foe&#8221; MCQs page, featuring a diverse array of multiple-choice questions (MCQs) sourced from previous year papers of various sectors, including the prestigious UPSC IAS and other competitive exams. Delve into the intricate universe of microorganisms, exploring their roles as both allies and adversaries in various contexts.<\/p>\n\n\n\n<p><strong>Key Features:<\/strong><\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Comprehensive Coverage<\/strong>: Our MCQs span a wide spectrum of topics related to microorganisms, shedding light on their beneficial roles in fields like medicine, agriculture, and industry, as well as their detrimental impact as pathogens.<\/li>\n\n\n\n<li><strong>Real Exam Experience<\/strong>: Prepare for competitive exams with questions akin to those encountered in UPSC IAS and other notable assessments, enabling a comprehensive exploration of the diverse nature of microorganisms.<\/li>\n\n\n\n<li><strong>Microbiological Insights<\/strong>: Gain a comprehensive understanding of the characteristics, roles, and significance of microorganisms in everyday life, from their use in biotechnology to their implications in disease and healthcare.<\/li>\n\n\n\n<li><strong>Detailed Explanations<\/strong>: Each MCQ is accompanied by comprehensive explanations, fostering a deep understanding of the diverse roles and functions of microorganisms as both friends and foes.<\/li>\n\n\n\n<li><strong>Progress Tracking<\/strong>: Utilize our interactive platform to track your scores, identify areas for improvement, and monitor your overall progress as you navigate the world of microorganisms.<\/li>\n<\/ol>\n\n\n\n<p>Whether you&#8217;re a student preparing for competitive exams, a science enthusiast keen on understanding microbiology, or someone interested in the multifaceted roles of microorganisms, our &#8220;Microorganisms: Friend and Foe&#8221; MCQs page is your gateway to exploring the microscopic world. Delve into the dichotomous nature of these organisms, grasp their beneficial and harmful roles, and prepare for exams evaluating your knowledge of these essential biological entities.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"NCERT_Class_8_Science_Microorganisms_Friend_and_Foe_MCQ_%E2%80%93_NCERT_Class_8_MCQ\"><\/span>NCERT Class 8 <strong>Science<\/strong> : Microorganisms Friend and Foe MCQ<strong> &#8211; NCERT Class 8 MCQ<\/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\">Alcohol is produced with the help of\r\n<\/div>\r\n      <ul class=\"options\">\r\n        <li><span class=\"option-a\">A<\/span><label for=\"optA_7877\">sodium chloride<\/label><\/li>\r\n        <li><span class=\"option-b\">B<\/span><label for=\"optB_7877\">yeast<\/label><\/li>\r\n        <li><span class=\"option-c\">C<\/span><label for=\"optC_7877\">nitrogen<\/label><\/li>\r\n        <li><span class=\"option-d\">D<\/span><label for=\"optD_7877\">carbon dioxide<\/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 drug is an antipyretic?\r\n<\/div>\r\n      <ul class=\"options\">\r\n        <li><span class=\"option-a\">A<\/span><label for=\"optA_7878\">Insulin<\/label><\/li>\r\n        <li><span class=\"option-b\">B<\/span><label for=\"optB_7878\">Alcohol<\/label><\/li>\r\n        <li><span class=\"option-c\">C<\/span><label for=\"optC_7878\">Streptomycin<\/label><\/li>\r\n        <li><span class=\"option-d\">D<\/span><label for=\"optD_7878\">Paracetamol<\/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\">What helps in the rise of bread or dosa dough?\r\n<\/div>\r\n      <ul class=\"options\">\r\n        <li><span class=\"option-a\">A<\/span><label for=\"optA_7880\">Heat<\/label><\/li>\r\n        <li><span class=\"option-b\">B<\/span><label for=\"optB_7880\">Grinding<\/label><\/li>\r\n        <li><span class=\"option-c\">C<\/span><label for=\"optC_7880\">Growth of yeast cells<\/label><\/li>\r\n        <li><span class=\"option-d\">D<\/span><label for=\"optD_7880\">Low pressure<\/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\">The status of algae in the aquatic food chain is\r\n<\/div>\r\n      <ul class=\"options\">\r\n        <li><span class=\"option-a\">A<\/span><label for=\"optA_7881\">consumers<\/label><\/li>\r\n        <li><span class=\"option-b\">B<\/span><label for=\"optB_7881\">producers<\/label><\/li>\r\n        <li><span class=\"option-c\">C<\/span><label for=\"optC_7881\">host<\/label><\/li>\r\n        <li><span class=\"option-d\">D<\/span><label for=\"optD_7881\">small in size<\/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\">The rod shaped bacteria are called\r\n<\/div>\r\n      <ul class=\"options\">\r\n        <li><span class=\"option-a\">A<\/span><label for=\"optA_7882\">Bacillus<\/label><\/li>\r\n        <li><span class=\"option-b\">B<\/span><label for=\"optB_7882\">Coccus<\/label><\/li>\r\n        <li><span class=\"option-c\">C<\/span><label for=\"optC_7882\">Vibrio<\/label><\/li>\r\n        <li><span class=\"option-d\">D<\/span><label for=\"optD_7882\">Spirillum<\/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\">Bacteria present in root nodules of pea\r\n<\/div>\r\n      <ul class=\"options\">\r\n        <li><span class=\"option-a\">A<\/span><label for=\"optA_7883\">Coli<\/label><\/li>\r\n        <li><span class=\"option-b\">B<\/span><label for=\"optB_7883\">Plasmodium<\/label><\/li>\r\n        <li><span class=\"option-c\">C<\/span><label for=\"optC_7883\">Rhizobium<\/label><\/li>\r\n        <li><span class=\"option-d\">D<\/span><label for=\"optD_7883\">Penicillin<\/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\">The microorganism which contains chlorophyll\r\n<\/div>\r\n      <ul class=\"options\">\r\n        <li><span class=\"option-a\">A<\/span><label for=\"optA_7884\">Virus<\/label><\/li>\r\n        <li><span class=\"option-b\">B<\/span><label for=\"optB_7884\">Fungus<\/label><\/li>\r\n        <li><span class=\"option-c\">C<\/span><label for=\"optC_7884\">Algae<\/label><\/li>\r\n        <li><span class=\"option-d\">D<\/span><label for=\"optD_7884\">All<\/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\">The disease caused by protozoa is\r\n<\/div>\r\n      <ul class=\"options\">\r\n        <li><span class=\"option-a\">A<\/span><label for=\"optA_7885\">tuberculosis<\/label><\/li>\r\n        <li><span class=\"option-b\">B<\/span><label for=\"optB_7885\">polio<\/label><\/li>\r\n        <li><span class=\"option-c\">C<\/span><label for=\"optC_7885\">typhoid<\/label><\/li>\r\n        <li><span class=\"option-d\">D<\/span><label for=\"optD_7885\">malaria<\/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 cannot fix atmospheric nitrogen in the soil?\r\n<\/div>\r\n      <ul class=\"options\">\r\n        <li><span class=\"option-a\">A<\/span><label for=\"optA_7886\">Rhizobium<\/label><\/li>\r\n        <li><span class=\"option-b\">B<\/span><label for=\"optB_7886\">Clostridium<\/label><\/li>\r\n        <li><span class=\"option-c\">C<\/span><label for=\"optC_7886\">Azotobacter<\/label><\/li>\r\n        <li><span class=\"option-d\">D<\/span><label for=\"optD_7886\">Penicillin<\/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 disease caused by fungi is\r\n<\/div>\r\n      <ul class=\"options\">\r\n        <li><span class=\"option-a\">A<\/span><label for=\"optA_7887\">measles<\/label><\/li>\r\n        <li><span class=\"option-b\">B<\/span><label for=\"optB_7887\">chicken pox<\/label><\/li>\r\n        <li><span class=\"option-c\">C<\/span><label for=\"optC_7887\">polio<\/label><\/li>\r\n        <li><span class=\"option-d\">D<\/span><label for=\"optD_7887\">ringworm<\/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 bacteria helps in settling of curd?\r\n<\/div>\r\n      <ul class=\"options\">\r\n        <li><span class=\"option-a\">A<\/span><label for=\"optA_7888\">Rhizobium<\/label><\/li>\r\n        <li><span class=\"option-b\">B<\/span><label for=\"optB_7888\">Lactobacillus<\/label><\/li>\r\n        <li><span class=\"option-c\">C<\/span><label for=\"optC_7888\">Vibriocholarae<\/label><\/li>\r\n        <li><span class=\"option-d\">D<\/span><label for=\"optD_7888\">Bacillus<\/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 microorganism causes AIDS?\r\n<\/div>\r\n      <ul class=\"options\">\r\n        <li><span class=\"option-a\">A<\/span><label for=\"optA_7889\">A protozoa<\/label><\/li>\r\n        <li><span class=\"option-b\">B<\/span><label for=\"optB_7889\">A bacteria<\/label><\/li>\r\n        <li><span class=\"option-c\">C<\/span><label for=\"optC_7889\"> A virus<\/label><\/li>\r\n        <li><span class=\"option-d\">D<\/span><label for=\"optD_7889\">An algae<\/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\">Which of the following disease is spread due to bacteria?\r\n<\/div>\r\n      <ul class=\"options\">\r\n        <li><span class=\"option-a\">A<\/span><label for=\"optA_7890\">Tuberculosis<\/label><\/li>\r\n        <li><span class=\"option-b\">B<\/span><label for=\"optB_7890\">Measles<\/label><\/li>\r\n        <li><span class=\"option-c\">C<\/span><label for=\"optC_7890\">Chicken pox<\/label><\/li>\r\n        <li><span class=\"option-d\">D<\/span><label for=\"optD_7890\">Polio<\/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 not used as food preservatives?\r\n<\/div>\r\n      <ul class=\"options\">\r\n        <li><span class=\"option-a\">A<\/span><label for=\"optA_7891\">Salt<\/label><\/li>\r\n        <li><span class=\"option-b\">B<\/span><label for=\"optB_7891\">Sugar<\/label><\/li>\r\n        <li><span class=\"option-c\">C<\/span><label for=\"optC_7891\">Vinegar<\/label><\/li>\r\n        <li><span class=\"option-d\">D<\/span><label for=\"optD_7891\">Methane<\/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 process by which amount of nitrogen remains the same in the atmosphere is known as\r\n<\/div>\r\n      <ul class=\"options\">\r\n        <li><span class=\"option-a\">A<\/span><label for=\"optA_7892\">fermentation<\/label><\/li>\r\n        <li><span class=\"option-b\">B<\/span><label for=\"optB_7892\">carbon cycle<\/label><\/li>\r\n        <li><span class=\"option-c\">C<\/span><label for=\"optC_7892\">nitrogen cycle<\/label><\/li>\r\n        <li><span class=\"option-d\">D<\/span><label for=\"optD_7892\">photosynthesis<\/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\/ncert\/class-1\/\" target=\"_blank\" rel=\"noreferrer noopener\">NCERT CLASS 1 MCQ<\/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\/ncert\/class-2\/\" target=\"_blank\" rel=\"noreferrer noopener\">NCERT CLASS 2 MCQ<\/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\/ncert\/class-3\/\" target=\"_blank\" rel=\"noreferrer noopener\">NCERT CLASS 3 MCQ<\/a><\/div>\n\n\n\n<div class=\"wp-block-button is-style-outline is-style-outline--4\"><a class=\"wp-block-button__link wp-element-button\" href=\"https:\/\/edunovations.com\/mcqs\/category\/ncert\/class-4\/\">NCERT CLASS 4 MCQ<\/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 is-style-outline is-style-outline--5\"><a class=\"wp-block-button__link wp-element-button\" href=\"https:\/\/edunovations.com\/mcqs\/category\/ncert\/class-5\/\" target=\"_blank\" rel=\"noreferrer noopener\">NCERT CLASS 5 MCQ<\/a><\/div>\n\n\n\n<div class=\"wp-block-button is-style-outline is-style-outline--6\"><a class=\"wp-block-button__link wp-element-button\" href=\"https:\/\/edunovations.com\/mcqs\/category\/ncert\/class-6\/\" target=\"_blank\" rel=\"noreferrer noopener\">NCERT CLASS 6 MCQ<\/a><\/div>\n\n\n\n<div class=\"wp-block-button is-style-outline is-style-outline--7\"><a class=\"wp-block-button__link wp-element-button\" href=\"https:\/\/edunovations.com\/mcqs\/category\/ncert\/class-7\/\" target=\"_blank\" rel=\"noreferrer noopener\">NCERT CLASS 7 MCQ<\/a><\/div>\n\n\n\n<div class=\"wp-block-button is-style-outline is-style-outline--8\"><a class=\"wp-block-button__link wp-element-button\" href=\"https:\/\/edunovations.com\/mcqs\/category\/ncert\/class-8\/\">NCERT CLASS 8 MCQ<\/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 is-style-outline is-style-outline--9\"><a class=\"wp-block-button__link wp-element-button\" href=\"https:\/\/edunovations.com\/mcqs\/category\/ncert\/class-9\/\" target=\"_blank\" rel=\"noreferrer noopener\">NCERT CLASS 9 MCQ<\/a><\/div>\n\n\n\n<div class=\"wp-block-button is-style-outline is-style-outline--10\"><a class=\"wp-block-button__link wp-element-button\" href=\"https:\/\/edunovations.com\/mcqs\/category\/ncert\/class-10\/\" target=\"_blank\" rel=\"noreferrer noopener\">NCERT CLASS 10 MCQ<\/a><\/div>\n\n\n\n<div class=\"wp-block-button is-style-outline is-style-outline--11\"><a class=\"wp-block-button__link wp-element-button\" href=\"https:\/\/edunovations.com\/mcqs\/category\/ncert\/class-11\/\" target=\"_blank\" rel=\"noreferrer noopener\">NCERT CLASS 11 MCQ<\/a><\/div>\n\n\n\n<div class=\"wp-block-button is-style-outline is-style-outline--12\"><a class=\"wp-block-button__link wp-element-button\" href=\"https:\/\/edunovations.com\/mcqs\/category\/ncert\/class-12\/\">NCERT CLASS 12 MCQ<\/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>NCERT Class 8 Science MCQ :&nbsp;Microorganisms Friend and Foe Embark on an intriguing journey through the microscopic world with our &#8220;Microorganisms: Friend and Foe&#8221; MCQs page, featuring a diverse array of multiple-choice questions (MCQs) sourced from previous year papers of various sectors, including the prestigious UPSC IAS and other competitive exams. Delve into the intricate [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":5228,"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":[67],"tags":[4124,4123,109,2078,2636,1085,590],"class_list":["post-5213","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-class-8","tag-beneficial-microbes","tag-biotechnology-applications","tag-competitive-exams","tag-microbiology","tag-microorganisms","tag-pathogens","tag-upsc-ias","entry","has-media"],"_links":{"self":[{"href":"https:\/\/edunovations.com\/mcqs\/wp-json\/wp\/v2\/posts\/5213","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=5213"}],"version-history":[{"count":0,"href":"https:\/\/edunovations.com\/mcqs\/wp-json\/wp\/v2\/posts\/5213\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/edunovations.com\/mcqs\/wp-json\/wp\/v2\/media\/5228"}],"wp:attachment":[{"href":"https:\/\/edunovations.com\/mcqs\/wp-json\/wp\/v2\/media?parent=5213"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/edunovations.com\/mcqs\/wp-json\/wp\/v2\/categories?post=5213"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/edunovations.com\/mcqs\/wp-json\/wp\/v2\/tags?post=5213"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}