{"id":7915,"date":"2023-11-25T14:50:30","date_gmt":"2023-11-25T09:20:30","guid":{"rendered":"https:\/\/edunovations.com\/mcqs\/?p=7915"},"modified":"2024-04-20T14:21:36","modified_gmt":"2024-04-20T08:51:36","slug":"ncert-class-12-biology-mcq-15","status":"publish","type":"post","link":"https:\/\/edunovations.com\/mcqs\/ncert-class-12-biology-mcq-15\/","title":{"rendered":"NCERT Class 12 Biology\u00a0MCQ :\u00a0Principles of Inheritance and Variation"},"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-15\/#NCERT_Class_12_Biology_MCQ_Principles_of_Inheritance_and_Variation\" >NCERT Class 12 Biology&nbsp;MCQ :&nbsp;Principles of Inheritance and Variation<\/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-15\/#NCERT_videos_on_Principles_of_Inheritance_and_Variation\" >NCERT videos on  Principles of Inheritance and Variation<\/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-15\/#NCERT_Class_12_Biology_Principles_of_Inheritance_and_Variation_MCQ_%E2%80%93_NCERT_Class_12_MCQ\" >NCERT Class 12 Biology\u00a0: Principles of Inheritance and Variation 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-15\/#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_Principles_of_Inheritance_and_Variation\"><\/span>NCERT Class 12 Biology&nbsp;MCQ :&nbsp;Principles of Inheritance and Variation<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Embark on a genetic exploration of life&#8217;s blueprint with our specialized Multiple Choice Questions (MCQs) page on &#8220;Principles of Inheritance and Variation.&#8221; Immerse yourself in the intricacies of genetics, featuring questions meticulously curated from the previous year papers of diverse exams, including the esteemed UPSC IAS exams.<\/p>\n\n\n\n<p>This resource is intricately designed to provide a comprehensive understanding of the principles governing the transmission of genetic traits, exploring the complexities of inheritance and variation. Whether you&#8217;re a biology enthusiast or a student preparing for competitive exams, these MCQs offer a strategic approach to mastering the nuances of genetic principles.<\/p>\n\n\n\n<p>Prepare with confidence, knowing that our collection mirrors the diverse question formats encountered in exams across different sectors. From analyzing Mendelian genetics to understanding the intricacies of genetic variation, this page serves as a valuable tool for honing your knowledge of genetic inheritance.<\/p>\n\n\n\n<p>Gain a competitive edge by accessing insights derived from real-world applications and historical perspectives embedded in our MCQs. Navigate through the complexities of genetic principles confidently, armed with knowledge distilled from previous year papers and designed to help you excel in exams<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"NCERT_videos_on_Principles_of_Inheritance_and_Variation\"><\/span>NCERT videos on  Principles of Inheritance and Variation<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=\"Principles of Inheritance and variation I | NCERT Class 12 BIOLOGY | CBSE | NEET | State Board\" width=\"1200\" height=\"900\" src=\"https:\/\/www.youtube.com\/embed\/BnaC-HoJuFc?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\">Principles of Inheritance and Variation 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=\"Principles of Inheritance and variation 2 | NCERT Class 12 BIOLOGY | CBSE | NEET\" width=\"1200\" height=\"900\" src=\"https:\/\/www.youtube.com\/embed\/vL1dqITcYqI?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\">Principles of Inheritance and Variation 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=\"Principles of Inheritance and variation III | NCERT Class 12 BIOLOGY | CBSE | NEET\" width=\"1200\" height=\"900\" src=\"https:\/\/www.youtube.com\/embed\/bxB9oWcZM-w?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\">Principles of Inheritance and Variation Part 2<\/figcaption><\/figure>\n\n\n\n<p><\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"NCERT_Class_12_Biology_Principles_of_Inheritance_and_Variation_MCQ_%E2%80%93_NCERT_Class_12_MCQ\"><\/span>NCERT Class 12 <strong><strong><strong><strong><strong>Biology\u00a0<\/strong><\/strong><\/strong><\/strong><\/strong>: Principles of Inheritance and Variation 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\">Sucess of mendal is\r\n<\/div>\r\n      <ul class=\"options\">\r\n        <li><span class=\"option-a\">A<\/span><label for=\"optA_89191\">Selection of Peaplant<\/label><\/li>\r\n        <li><span class=\"option-b\">B<\/span><label for=\"optB_89191\">Studied of free characters<\/label><\/li>\r\n        <li><span class=\"option-c\">C<\/span><label for=\"optC_89191\">More Characters selection<\/label><\/li>\r\n        <li><span class=\"option-d\">D<\/span><label for=\"optD_89191\">Pea is Bisexual<\/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\">Loss of Melanin pigment cause for:\r\n<\/div>\r\n      <ul class=\"options\">\r\n        <li><span class=\"option-a\">A<\/span><label for=\"optA_89192\">Colourblindness<\/label><\/li>\r\n        <li><span class=\"option-b\">B<\/span><label for=\"optB_89192\">Depigmentation<\/label><\/li>\r\n        <li><span class=\"option-c\">C<\/span><label for=\"optC_89192\">Phenyl Ketoneuria<\/label><\/li>\r\n        <li><span class=\"option-d\">D<\/span><label for=\"optD_89192\">Alkaptoneuria<\/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\">Gunetical identification of male human is:\r\n<\/div>\r\n      <ul class=\"options\">\r\n        <li><span class=\"option-a\">A<\/span><label for=\"optA_89193\">By Nucleus<\/label><\/li>\r\n        <li><span class=\"option-b\">B<\/span><label for=\"optB_89193\">By cells<\/label><\/li>\r\n        <li><span class=\"option-c\">C<\/span><label for=\"optC_89193\">By Autosome<\/label><\/li>\r\n        <li><span class=\"option-d\">D<\/span><label for=\"optD_89193\">By Sex-chromosome<\/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\">Rh+ individual gene may be:\r\n<\/div>\r\n      <ul class=\"options\">\r\n        <li><span class=\"option-a\">A<\/span><label for=\"optA_89194\"> rr<\/label><\/li>\r\n        <li><span class=\"option-b\">B<\/span><label for=\"optB_89194\">TT<\/label><\/li>\r\n        <li><span class=\"option-c\">C<\/span><label for=\"optC_89194\">Rr<\/label><\/li>\r\n        <li><span class=\"option-d\">D<\/span><label for=\"optD_89194\">Both (a) and (c)<\/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\">Cause of chromosomal mutation<\/div>\r\n      <ul class=\"options\">\r\n        <li><span class=\"option-a\">A<\/span><label for=\"optA_89195\">Euploidy<\/label><\/li>\r\n        <li><span class=\"option-b\">B<\/span><label for=\"optB_89195\">Polyploidy<\/label><\/li>\r\n        <li><span class=\"option-c\">C<\/span><label for=\"optC_89195\">Physical effect<\/label><\/li>\r\n        <li><span class=\"option-d\">D<\/span><label for=\"optD_89195\">All of these<\/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\">Mendal was born in:\r\n<\/div>\r\n      <ul class=\"options\">\r\n        <li><span class=\"option-a\">A<\/span><label for=\"optA_89196\">17th century<\/label><\/li>\r\n        <li><span class=\"option-b\">B<\/span><label for=\"optB_89196\">18th century<\/label><\/li>\r\n        <li><span class=\"option-c\">C<\/span><label for=\"optC_89196\">19th century<\/label><\/li>\r\n        <li><span class=\"option-d\">D<\/span><label for=\"optD_89196\">8th century<\/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\">Two genes very close on a chromosome<\/div>\r\n      <ul class=\"options\">\r\n        <li><span class=\"option-a\">A<\/span><label for=\"optA_89197\">No crossing over<\/label><\/li>\r\n        <li><span class=\"option-b\">B<\/span><label for=\"optB_89197\">High crossing over<\/label><\/li>\r\n        <li><span class=\"option-c\">C<\/span><label for=\"optC_89197\">Hardly an crossing over<\/label><\/li>\r\n        <li><span class=\"option-d\">D<\/span><label for=\"optD_89197\">Only double crossing overy<\/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\">First geneticist\/father of genetics was:\r\n<\/div>\r\n      <ul class=\"options\">\r\n        <li><span class=\"option-a\">A<\/span><label for=\"optA_89198\">de Vries<\/label><\/li>\r\n        <li><span class=\"option-b\">B<\/span><label for=\"optB_89198\">Mendel<\/label><\/li>\r\n        <li><span class=\"option-c\">C<\/span><label for=\"optC_89198\">Darwin<\/label><\/li>\r\n        <li><span class=\"option-d\">D<\/span><label for=\"optD_89198\">Darwin<\/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\">An lndividual with into identical alleles is:\r\n<\/div>\r\n      <ul class=\"options\">\r\n        <li><span class=\"option-a\">A<\/span><label for=\"optA_89199\">Hybrid<\/label><\/li>\r\n        <li><span class=\"option-b\">B<\/span><label for=\"optB_89199\">Dominant<\/label><\/li>\r\n        <li><span class=\"option-c\">C<\/span><label for=\"optC_89199\">Homozygous<\/label><\/li>\r\n        <li><span class=\"option-d\">D<\/span><label for=\"optD_89199\">Heterozygous<\/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\">Mendal\u2019s law can be applicable only when:\r\n<\/div>\r\n      <ul class=\"options\">\r\n        <li><span class=\"option-a\">A<\/span><label for=\"optA_89200\">Characters are linked<\/label><\/li>\r\n        <li><span class=\"option-b\">B<\/span><label for=\"optB_89200\">Parents are pore breed<\/label><\/li>\r\n        <li><span class=\"option-c\">C<\/span><label for=\"optC_89200\">F1 generation in monohybrid cross show 2 type of individua<\/label><\/li>\r\n        <li><span class=\"option-d\">D<\/span><label for=\"optD_89200\">Onepair of contiasting characters depends on another pair<\/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\">A true hybrid condition is<\/div>\r\n      <ul class=\"options\">\r\n        <li><span class=\"option-a\">A<\/span><label for=\"optA_89201\">tt Rr<\/label><\/li>\r\n        <li><span class=\"option-b\">B<\/span><label for=\"optB_89201\">Tt rr<\/label><\/li>\r\n        <li><span class=\"option-c\">C<\/span><label for=\"optC_89201\">tt rr<\/label><\/li>\r\n        <li><span class=\"option-d\">D<\/span><label for=\"optD_89201\">Tt Rr<\/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 allele which is unable to express its effect in the presence of another is called <\/div>\r\n      <ul class=\"options\">\r\n        <li><span class=\"option-a\">A<\/span><label for=\"optA_89202\">Co-dominant<\/label><\/li>\r\n        <li><span class=\"option-b\">B<\/span><label for=\"optB_89202\">Supplementary<\/label><\/li>\r\n        <li><span class=\"option-c\">C<\/span><label for=\"optC_89202\">Complementary<\/label><\/li>\r\n        <li><span class=\"option-d\">D<\/span><label for=\"optD_89202\">Recessive<\/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 of the mutations are:\r\n<\/div>\r\n      <ul class=\"options\">\r\n        <li><span class=\"option-a\">A<\/span><label for=\"optA_89203\">Recessive<\/label><\/li>\r\n        <li><span class=\"option-b\">B<\/span><label for=\"optB_89203\">Harmful<\/label><\/li>\r\n        <li><span class=\"option-c\">C<\/span><label for=\"optC_89203\">Germinal<\/label><\/li>\r\n        <li><span class=\"option-d\">D<\/span><label for=\"optD_89203\">All of these<\/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\">Smallest segment of genetic material affected by mutation is <\/div>\r\n      <ul class=\"options\">\r\n        <li><span class=\"option-a\">A<\/span><label for=\"optA_89204\">Recon<\/label><\/li>\r\n        <li><span class=\"option-b\">B<\/span><label for=\"optB_89204\">Cistron<\/label><\/li>\r\n        <li><span class=\"option-c\">C<\/span><label for=\"optC_89204\">Muton<\/label><\/li>\r\n        <li><span class=\"option-d\">D<\/span><label for=\"optD_89204\">Exon<\/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\">Genes located on V-chroinosome are:<\/div>\r\n      <ul class=\"options\">\r\n        <li><span class=\"option-a\">A<\/span><label for=\"optA_89205\">Mutant genes<\/label><\/li>\r\n        <li><span class=\"option-b\">B<\/span><label for=\"optB_89205\">Autosomal genes<\/label><\/li>\r\n        <li><span class=\"option-c\">C<\/span><label for=\"optC_89205\">Holandric genes<\/label><\/li>\r\n        <li><span class=\"option-d\">D<\/span><label for=\"optD_89205\">Sex-linked genes<\/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\">A strong mutagen is:\r\n<\/div>\r\n      <ul class=\"options\">\r\n        <li><span class=\"option-a\">A<\/span><label for=\"optA_89206\">Cold<\/label><\/li>\r\n        <li><span class=\"option-b\">B<\/span><label for=\"optB_89206\">Heat<\/label><\/li>\r\n        <li><span class=\"option-c\">C<\/span><label for=\"optC_89206\">Water<\/label><\/li>\r\n        <li><span class=\"option-d\">D<\/span><label for=\"optD_89206\">X-rays<\/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\">A point mutation is:<\/div>\r\n      <ul class=\"options\">\r\n        <li><span class=\"option-a\">A<\/span><label for=\"optA_89207\">Thalassemia<\/label><\/li>\r\n        <li><span class=\"option-b\">B<\/span><label for=\"optB_89207\">Sickel-cell anaemia<\/label><\/li>\r\n        <li><span class=\"option-c\">C<\/span><label for=\"optC_89207\">Down\u2019s syndrome<\/label><\/li>\r\n        <li><span class=\"option-d\">D<\/span><label for=\"optD_89207\">Nightblindness<\/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\">Mendel\u2019s second law is of the law of:\r\n<\/div>\r\n      <ul class=\"options\">\r\n        <li><span class=\"option-a\">A<\/span><label for=\"optA_89208\">Segregation<\/label><\/li>\r\n        <li><span class=\"option-b\">B<\/span><label for=\"optB_89208\">Dominance<\/label><\/li>\r\n        <li><span class=\"option-c\">C<\/span><label for=\"optC_89208\">Polygenic inheritance<\/label><\/li>\r\n        <li><span class=\"option-d\">D<\/span><label for=\"optD_89208\">Independent assortment<\/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\">An organism with two unlike genes of a trait is called :<\/div>\r\n      <ul class=\"options\">\r\n        <li><span class=\"option-a\">A<\/span><label for=\"optA_89209\">Homozygous<\/label><\/li>\r\n        <li><span class=\"option-b\">B<\/span><label for=\"optB_89209\">Hetrozygous<\/label><\/li>\r\n        <li><span class=\"option-c\">C<\/span><label for=\"optC_89209\">Both of these<\/label><\/li>\r\n        <li><span class=\"option-d\">D<\/span><label for=\"optD_89209\">None of these<\/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\">Mendel\u2019s laws were discovered by:\r\n<\/div>\r\n      <ul class=\"options\">\r\n        <li><span class=\"option-a\">A<\/span><label for=\"optA_89210\">Correns<\/label><\/li>\r\n        <li><span class=\"option-b\">B<\/span><label for=\"optB_89210\">Shermak<\/label><\/li>\r\n        <li><span class=\"option-c\">C<\/span><label for=\"optC_89210\">de meris<\/label><\/li>\r\n        <li><span class=\"option-d\">D<\/span><label for=\"optD_89210\">None of these.<\/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>\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;Principles of Inheritance and Variation Embark on a genetic exploration of life&#8217;s blueprint with our specialized Multiple Choice Questions (MCQs) page on &#8220;Principles of Inheritance and Variation.&#8221; Immerse yourself in the intricacies of genetics, featuring questions meticulously curated from the previous year papers of diverse exams, including the esteemed UPSC IAS [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":7927,"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":[5909,1056,1057,2405,2390,5910,589,5945,5067],"class_list":["post-7915","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-class-12","tag-biology-exam-prep","tag-genetic-principles","tag-genetic-variation","tag-genetics","tag-inheritance","tag-mendelian-genetics","tag-previous-year-papers","tag-principles-of-inheritance-and-variation","tag-upsc-ias-exams","entry","has-media"],"_links":{"self":[{"href":"https:\/\/edunovations.com\/mcqs\/wp-json\/wp\/v2\/posts\/7915","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=7915"}],"version-history":[{"count":2,"href":"https:\/\/edunovations.com\/mcqs\/wp-json\/wp\/v2\/posts\/7915\/revisions"}],"predecessor-version":[{"id":7960,"href":"https:\/\/edunovations.com\/mcqs\/wp-json\/wp\/v2\/posts\/7915\/revisions\/7960"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/edunovations.com\/mcqs\/wp-json\/wp\/v2\/media\/7927"}],"wp:attachment":[{"href":"https:\/\/edunovations.com\/mcqs\/wp-json\/wp\/v2\/media?parent=7915"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/edunovations.com\/mcqs\/wp-json\/wp\/v2\/categories?post=7915"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/edunovations.com\/mcqs\/wp-json\/wp\/v2\/tags?post=7915"}],"curies":[{"n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