{"id":7916,"date":"2023-11-25T14:52:05","date_gmt":"2023-11-25T09:22:05","guid":{"rendered":"https:\/\/edunovations.com\/mcqs\/?p=7916"},"modified":"2024-04-19T18:12:52","modified_gmt":"2024-04-19T12:42:52","slug":"ncert-class-12-biology-mcq-16","status":"publish","type":"post","link":"https:\/\/edunovations.com\/mcqs\/ncert-class-12-biology-mcq-16\/","title":{"rendered":"NCERT Class 12 Biology\u00a0MCQ :\u00a0Molecular Basis of Inheritance"},"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-12-biology-mcq-16\/#NCERT_Class_12_Biology_MCQ_Molecular_Basis_of_Inheritance\" >NCERT Class 12 Biology&nbsp;MCQ :&nbsp;Molecular Basis of Inheritance<\/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-12-biology-mcq-16\/#Molecular_Basis_of_Inheritance_Topic_Explained_in_these_Videos\" >Molecular Basis of Inheritance Topic Explained in these Videos<\/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-12-biology-mcq-16\/#NCERT_Class_12_Biology_Molecular_Basis_of_Inheritance_MCQ_%E2%80%93_NCERT_Class_12_MCQ\" >NCERT Class 12 Biology&nbsp;: Molecular Basis of Inheritance MCQ &#8211; NCERT Class 12 MCQ<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/edunovations.com\/mcqs\/ncert-class-12-biology-mcq-16\/#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_12_Biology_MCQ_Molecular_Basis_of_Inheritance\"><\/span>NCERT Class 12 Biology&nbsp;MCQ :&nbsp;Molecular Basis of Inheritance<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Embark on a journey into the intricate world of genetics with our MCQs page on the &#8220;Molecular Basis of Inheritance.&#8221; Curated from previous year papers across diverse sectors, including UPSC IAS and more, this comprehensive resource is tailored to deepen your understanding of the fundamental molecular mechanisms that govern inheritance. Whether you&#8217;re a student preparing for exams or a professional exploring genetic principles, this page offers a strategic and efficient learning experience.<\/p>\n\n\n\n<p>Immerse yourself in a series of multiple-choice questions designed to reflect the real-world challenges encountered in various exams. Explore the complexities of DNA, RNA, replication, transcription, and translation, unraveling the molecular secrets that underlie the inheritance of genetic information. Our user-friendly platform facilitates effective learning, allowing you to refine your problem-solving skills and deepen your grasp of molecular genetics.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Molecular_Basis_of_Inheritance_Topic_Explained_in_these_Videos\"><\/span>Molecular Basis of Inheritance Topic Explained in these Videos<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<figure class=\"wp-block-embed aligncenter is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-4-3 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<p class=\"responsive-video-wrap clr\"><iframe title=\"Molecular Basis of Inheritance I | Class 12 BIOLOGY | NCERT | CBSE | NEET | ICSE\" width=\"1200\" height=\"900\" src=\"https:\/\/www.youtube.com\/embed\/_3Pjz501Kf0?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe><\/p>\n<\/div><figcaption class=\"wp-element-caption\">Molecular Basis of Inheritance Part 1<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-embed aligncenter is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-4-3 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<p class=\"responsive-video-wrap clr\"><iframe title=\"Molecular Basis of Inheritance II | NCERT Class 12 BIOLOGY | CBSE | NEET\" width=\"1200\" height=\"900\" src=\"https:\/\/www.youtube.com\/embed\/F2ZIcu4I-l8?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe><\/p>\n<\/div><figcaption class=\"wp-element-caption\">Molecular Basis of Inheritance Part 2<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-embed aligncenter is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-4-3 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<p class=\"responsive-video-wrap clr\"><iframe title=\"Molecular Basis of Inheritance 3 | NCERT Class 12 BIOLOGY | CBSE | NEET\" width=\"1200\" height=\"900\" src=\"https:\/\/www.youtube.com\/embed\/X24WA9SrcOs?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe><\/p>\n<\/div><figcaption class=\"wp-element-caption\">Molecular Basis of Inheritance Part 3<\/figcaption><\/figure>\n\n\n\n<p>Prepare with confidence, armed with insights from past papers, and elevate your proficiency in understanding and applying the molecular basis of inheritance through our specialized MCQs<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"NCERT_Class_12_Biology_Molecular_Basis_of_Inheritance_MCQ_%E2%80%93_NCERT_Class_12_MCQ\"><\/span>NCERT Class 12 <strong><strong><strong><strong><strong>Biology&nbsp;<\/strong><\/strong><\/strong><\/strong><\/strong>: Molecular Basis of Inheritance MCQ<strong> &#8211; NCERT Class 12 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\">Represser Lac-Operon protein attached to:\r\n<\/div>\r\n      <ul class=\"options\">\r\n        <li><span class=\"option-a\">A<\/span><label for=\"optA_89226\">Operator<\/label><\/li>\r\n        <li><span class=\"option-b\">B<\/span><label for=\"optB_89226\">Inducer<\/label><\/li>\r\n        <li><span class=\"option-c\">C<\/span><label for=\"optC_89226\">Regulator<\/label><\/li>\r\n        <li><span class=\"option-d\">D<\/span><label for=\"optD_89226\"> \u03b2-Glacto sidase<\/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\">Following is important in \u00cfranscription:\r\n<\/div>\r\n      <ul class=\"options\">\r\n        <li><span class=\"option-a\">A<\/span><label for=\"optA_89227\">DNA Methylase<\/label><\/li>\r\n        <li><span class=\"option-b\">B<\/span><label for=\"optB_89227\">CAAT Box<\/label><\/li>\r\n        <li><span class=\"option-c\">C<\/span><label for=\"optC_89227\">Promotar<\/label><\/li>\r\n        <li><span class=\"option-d\">D<\/span><label for=\"optD_89227\">DNA Polymerase<\/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\">Anticodon found in:\r\n<\/div>\r\n      <ul class=\"options\">\r\n        <li><span class=\"option-a\">A<\/span><label for=\"optA_89228\">On DNA<\/label><\/li>\r\n        <li><span class=\"option-b\">B<\/span><label for=\"optB_89228\">On t-RNA<\/label><\/li>\r\n        <li><span class=\"option-c\">C<\/span><label for=\"optC_89228\">On r-RNA<\/label><\/li>\r\n        <li><span class=\"option-d\">D<\/span><label for=\"optD_89228\">On m-RNA<\/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\">In DNA helix:\r\n<\/div>\r\n      <ul class=\"options\">\r\n        <li><span class=\"option-a\">A<\/span><label for=\"optA_89466\">Quadrate structure<\/label><\/li>\r\n        <li><span class=\"option-b\">B<\/span><label for=\"optB_89466\">Polarity<\/label><\/li>\r\n        <li><span class=\"option-c\">C<\/span><label for=\"optC_89466\">Antiparallel Polarity<\/label><\/li>\r\n        <li><span class=\"option-d\">D<\/span><label for=\"optD_89466\">Disuiphide bond<\/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\">During splicing axon attached and inducer enzyme for reaction:<\/div>\r\n      <ul class=\"options\">\r\n        <li><span class=\"option-a\">A<\/span><label for=\"optA_89467\">RNA Ligase<\/label><\/li>\r\n        <li><span class=\"option-b\">B<\/span><label for=\"optB_89467\">RNA Catalase<\/label><\/li>\r\n        <li><span class=\"option-c\">C<\/span><label for=\"optC_89467\">RNA permease<\/label><\/li>\r\n        <li><span class=\"option-d\">D<\/span><label for=\"optD_89467\">RNA poloymerase<\/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\">During DNA synthesis formed segment is:\r\n\r\n<\/div>\r\n      <ul class=\"options\">\r\n        <li><span class=\"option-a\">A<\/span><label for=\"optA_89468\">Polymerase fragment<\/label><\/li>\r\n        <li><span class=\"option-b\">B<\/span><label for=\"optB_89468\">RNA fragment<\/label><\/li>\r\n        <li><span class=\"option-c\">C<\/span><label for=\"optC_89468\">Okazaki fragment<\/label><\/li>\r\n        <li><span class=\"option-d\">D<\/span><label for=\"optD_89468\">RNA Primer<\/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\">In a give DNA segment ATC ACC AGG ACC CCA ACA, the first base gets mutated. The effect of this on coding by the DNA segment will result in :<\/div>\r\n      <ul class=\"options\">\r\n        <li><span class=\"option-a\">A<\/span><label for=\"optA_89469\">One amino acid less in protein<\/label><\/li>\r\n        <li><span class=\"option-b\">B<\/span><label for=\"optB_89469\">No change in the sequence<\/label><\/li>\r\n        <li><span class=\"option-c\">C<\/span><label for=\"optC_89469\">Complete change in the type and sequence of amino acid<\/label><\/li>\r\n        <li><span class=\"option-d\">D<\/span><label for=\"optD_89469\">Change in first amino acid only<\/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\">DNA fragments are joined in a correct sequence<\/div>\r\n      <ul class=\"options\">\r\n        <li><span class=\"option-a\">A<\/span><label for=\"optA_89470\">DNA ligase<\/label><\/li>\r\n        <li><span class=\"option-b\">B<\/span><label for=\"optB_89470\">RNA polymerase<\/label><\/li>\r\n        <li><span class=\"option-c\">C<\/span><label for=\"optC_89470\">Helicase<\/label><\/li>\r\n        <li><span class=\"option-d\">D<\/span><label for=\"optD_89470\">DNA polymerase<\/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 ratio constant for a species is :<\/div>\r\n      <ul class=\"options\">\r\n        <li><span class=\"option-a\">A<\/span><label for=\"optA_89471\">T+C\/G + A<\/label><\/li>\r\n        <li><span class=\"option-b\">B<\/span><label for=\"optB_89471\">A+C\/T + G<\/label><\/li>\r\n        <li><span class=\"option-c\">C<\/span><label for=\"optC_89471\"> G + G\/A + T<\/label><\/li>\r\n        <li><span class=\"option-d\">D<\/span><label for=\"optD_89471\">A + C\/C + T<\/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\">DNA repairing is done <\/div>\r\n      <ul class=\"options\">\r\n        <li><span class=\"option-a\">A<\/span><label for=\"optA_89472\">By DNA polymerase I<\/label><\/li>\r\n        <li><span class=\"option-b\">B<\/span><label for=\"optB_89472\">By DNA Polymerase II<\/label><\/li>\r\n        <li><span class=\"option-c\">C<\/span><label for=\"optC_89472\">Both (a) and (b)<\/label><\/li>\r\n        <li><span class=\"option-d\">D<\/span><label for=\"optD_89472\">By Ligase<\/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\">A ribotide is made up of<\/div>\r\n      <ul class=\"options\">\r\n        <li><span class=\"option-a\">A<\/span><label for=\"optA_89473\">Ribose + Phosphate + Uracil<\/label><\/li>\r\n        <li><span class=\"option-b\">B<\/span><label for=\"optB_89473\">Deoxribose + Uracil + Phosphate<\/label><\/li>\r\n        <li><span class=\"option-c\">C<\/span><label for=\"optC_89473\">Thymine + Ribose + Phosphate<\/label><\/li>\r\n        <li><span class=\"option-d\">D<\/span><label for=\"optD_89473\">Deoxyribpse + Phosphate + Adenine<\/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\">the enzyme involved in transcription is<\/div>\r\n      <ul class=\"options\">\r\n        <li><span class=\"option-a\">A<\/span><label for=\"optA_89474\">DNA Polymerase I<\/label><\/li>\r\n        <li><span class=\"option-b\">B<\/span><label for=\"optB_89474\">DNA Polymerase II<\/label><\/li>\r\n        <li><span class=\"option-c\">C<\/span><label for=\"optC_89474\">RNA Polymerase<\/label><\/li>\r\n        <li><span class=\"option-d\">D<\/span><label for=\"optD_89474\">DNA Polymerase<\/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\">Antiparallel strands of a DNA molecule means that:<\/div>\r\n      <ul class=\"options\">\r\n        <li><span class=\"option-a\">A<\/span><label for=\"optA_89475\">One strand turns clockwise<\/label><\/li>\r\n        <li><span class=\"option-b\">B<\/span><label for=\"optB_89475\">One strand turns anticlockwise<\/label><\/li>\r\n        <li><span class=\"option-c\">C<\/span><label for=\"optC_89475\">The phosphate groups at the start of two DNA strands are in opposite position<\/label><\/li>\r\n        <li><span class=\"option-d\">D<\/span><label for=\"optD_89475\">The phosphate groups at the start of two DNA strands, at their ends, share the same position<\/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 one is mainly transcribed:<\/div>\r\n      <ul class=\"options\">\r\n        <li><span class=\"option-a\">A<\/span><label for=\"optA_89476\">Only RNA sequence<\/label><\/li>\r\n        <li><span class=\"option-b\">B<\/span><label for=\"optB_89476\">Middle repetitive DNA sequence<\/label><\/li>\r\n        <li><span class=\"option-c\">C<\/span><label for=\"optC_89476\">Highly repetitive DNA sequence<\/label><\/li>\r\n        <li><span class=\"option-d\">D<\/span><label for=\"optD_89476\">Single copy of DNA sequence<\/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\">Amino acid sequence, in protein synthesis is decided by the sequence of?\r\n<\/div>\r\n      <ul class=\"options\">\r\n        <li><span class=\"option-a\">A<\/span><label for=\"optA_89477\">c-DNA<\/label><\/li>\r\n        <li><span class=\"option-b\">B<\/span><label for=\"optB_89477\"> r-RNA<\/label><\/li>\r\n        <li><span class=\"option-c\">C<\/span><label for=\"optC_89477\">f-RNA<\/label><\/li>\r\n        <li><span class=\"option-d\">D<\/span><label for=\"optD_89477\">m-RNA<\/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\">During Protein synthesis, atone point the process comes to a halt. Select the group of the three codons from the following, from which any one of the three could bring about this halt<\/div>\r\n      <ul class=\"options\">\r\n        <li><span class=\"option-a\">A<\/span><label for=\"optA_89478\">UUC, UUA, UAC<\/label><\/li>\r\n        <li><span class=\"option-b\">B<\/span><label for=\"optB_89478\">UAG, UGA, UAA<\/label><\/li>\r\n        <li><span class=\"option-c\">C<\/span><label for=\"optC_89478\">UUE, UCA, UCG<\/label><\/li>\r\n        <li><span class=\"option-d\">D<\/span><label for=\"optD_89478\">UUU, UCC, UAU<\/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\">One turn of the helix in p-from DNA is approximately:<\/div>\r\n      <ul class=\"options\">\r\n        <li><span class=\"option-a\">A<\/span><label for=\"optA_89479\">20 \u00c5<\/label><\/li>\r\n        <li><span class=\"option-b\">B<\/span><label for=\"optB_89479\"> 2 nm<\/label><\/li>\r\n        <li><span class=\"option-c\">C<\/span><label for=\"optC_89479\">20 nm<\/label><\/li>\r\n        <li><span class=\"option-d\">D<\/span><label for=\"optD_89479\">34 nm<\/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 is not component of lac operon<\/div>\r\n      <ul class=\"options\">\r\n        <li><span class=\"option-a\">A<\/span><label for=\"optA_89480\">Primer gene<\/label><\/li>\r\n        <li><span class=\"option-b\">B<\/span><label for=\"optB_89480\">Promoter gene<\/label><\/li>\r\n        <li><span class=\"option-c\">C<\/span><label for=\"optC_89480\">constructive gene<\/label><\/li>\r\n        <li><span class=\"option-d\">D<\/span><label for=\"optD_89480\">Regulator gene<\/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\">Okazaki fregments <\/div>\r\n      <ul class=\"options\">\r\n        <li><span class=\"option-a\">A<\/span><label for=\"optA_89481\">RNA primer<\/label><\/li>\r\n        <li><span class=\"option-b\">B<\/span><label for=\"optB_89481\">small segments of DNA on leading stand<\/label><\/li>\r\n        <li><span class=\"option-c\">C<\/span><label for=\"optC_89481\">Small segments of DNA on lagging stand<\/label><\/li>\r\n        <li><span class=\"option-d\">D<\/span><label for=\"optD_89481\">None of these<\/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\">Transposons occur in:\r\n<\/div>\r\n      <ul class=\"options\">\r\n        <li><span class=\"option-a\">A<\/span><label for=\"optA_89482\">In Eukaryotes<\/label><\/li>\r\n        <li><span class=\"option-b\">B<\/span><label for=\"optB_89482\">In Prokaryotes<\/label><\/li>\r\n        <li><span class=\"option-c\">C<\/span><label for=\"optC_89482\">In both (a) and (b)<\/label><\/li>\r\n        <li><span class=\"option-d\">D<\/span><label for=\"optD_89482\">None of these<\/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<span style=\"color: rgb(115, 135, 156); font-family: &quot;Helvetica Neue&quot;, Roboto, Arial, &quot;Droid Sans&quot;, sans-serif; font-size: 13px; text-align: start; white-space: normal;\">Accountancy&nbsp;<\/span><\/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 12 Biology&nbsp;MCQ :&nbsp;Molecular Basis of Inheritance Embark on a journey into the intricate world of genetics with our MCQs page on the &#8220;Molecular Basis of Inheritance.&#8221; Curated from previous year papers across diverse sectors, including UPSC IAS and more, this comprehensive resource is tailored to deepen your understanding of the fundamental molecular mechanisms [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":7931,"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":[71],"tags":[5911,121,2405,2390,91,5914,5913,5912,590],"class_list":["post-7916","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-class-12","tag-dna","tag-exam-preparation","tag-genetics","tag-inheritance","tag-mcqs","tag-molecular-basis","tag-molecular-genetics","tag-rna","tag-upsc-ias","entry","has-media"],"_links":{"self":[{"href":"https:\/\/edunovations.com\/mcqs\/wp-json\/wp\/v2\/posts\/7916","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=7916"}],"version-history":[{"count":2,"href":"https:\/\/edunovations.com\/mcqs\/wp-json\/wp\/v2\/posts\/7916\/revisions"}],"predecessor-version":[{"id":7955,"href":"https:\/\/edunovations.com\/mcqs\/wp-json\/wp\/v2\/posts\/7916\/revisions\/7955"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/edunovations.com\/mcqs\/wp-json\/wp\/v2\/media\/7931"}],"wp:attachment":[{"href":"https:\/\/edunovations.com\/mcqs\/wp-json\/wp\/v2\/media?parent=7916"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/edunovations.com\/mcqs\/wp-json\/wp\/v2\/categories?post=7916"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/edunovations.com\/mcqs\/wp-json\/wp\/v2\/tags?post=7916"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}