{"id":754096,"date":"2025-01-22T17:14:17","date_gmt":"2025-01-22T11:44:17","guid":{"rendered":"https:\/\/infinitylearn.com\/surge\/?p=754096"},"modified":"2025-01-22T17:14:17","modified_gmt":"2025-01-22T11:44:17","slug":"class-12-biology-plant-tissue-culture-mcq","status":"publish","type":"post","link":"https:\/\/infinitylearn.com\/surge\/mcqs\/class-12-biology-plant-tissue-culture\/","title":{"rendered":"Class 12 Biology Plant Tissue Culture MCQ"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_37 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\">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\" style=\"display: none;\"><label for=\"item\" aria-label=\"Table of Content\"><span style=\"display: flex;align-items: center;width: 35px;height: 30px;justify-content: center;\"><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><\/label><input type=\"checkbox\" id=\"item\"><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1' style='display:block'><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/infinitylearn.com\/surge\/mcqs\/class-12-biology-plant-tissue-culture\/#Plant_Tissue_Culture_MCQ\" title=\"Plant Tissue Culture MCQ\">Plant Tissue Culture MCQ<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/infinitylearn.com\/surge\/mcqs\/class-12-biology-plant-tissue-culture\/#Plant_Tissue_Culture_MCQs_with_Answers\" title=\"Plant Tissue Culture MCQs with Answers\">Plant Tissue Culture MCQs with Answers<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/infinitylearn.com\/surge\/mcqs\/class-12-biology-plant-tissue-culture\/#Benefits_of_Solving_Plant_Tissue_Culture_MCQ\" title=\"Benefits of Solving Plant Tissue Culture MCQ\">Benefits of Solving Plant Tissue Culture MCQ<\/a><\/li><\/ul><\/nav><\/div>\n<p><strong>Plant Tissue Culture MCQ:<\/strong> Plant tissue culture is a vital topic covered in the <strong><a href=\"https:\/\/infinitylearn.com\/surge\/cbse\/cbse-class-12-biology-syllabus\/\">CBSE Class 12 Biology syllabus<\/a> <\/strong>and holds immense importance for students preparing for NEET Biology MCQs. This cutting-edge technique focuses on the in-vitro cultivation of plant cells, tissues, or organs in a controlled and sterile environment. By leveraging the principle of totipotency, it facilitates rapid micropropagation, development of disease-resistant plants, and conservation of rare species. Mastering this topic through multiple-choice questions enhances conceptual clarity and prepares students to excel in competitive exams like NEET while aligning with the latest CBSE curriculum.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Plant_Tissue_Culture_MCQ\"><\/span>Plant Tissue Culture MCQ<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Plant tissue culture is a crucial technique in biotechnology, primarily covered in the Class 12 Biology syllabus. It involves growing plant cells or tissues in a controlled environment, utilizing the concept of <strong>totipotency<\/strong>, where a single plant cell can regenerate into a whole plant. Key topics in this chapter include different <strong>types of tissue culture<\/strong> like callus and meristem culture, the preparation of <strong>media<\/strong> such as Murashige and Skoog (MS) medium, and the application of these techniques in areas like crop improvement and plant conservation. Examples include the production of disease-free banana plants, mass propagation of roses, and the development of pest-resistant Bt cotton. Understanding these concepts is essential for exams like <strong>CBSE<\/strong> and <strong>NEET Biology<\/strong>, making it an important area of focus for students.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Plant_Tissue_Culture_MCQs_with_Answers\"><\/span>Plant Tissue Culture MCQs with Answers<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><strong>1. Which of the following is the primary hormone used to induce callus formation in plant tissue culture?<\/strong><br \/>\nA. Cytokinin<br \/>\nB. Auxin<br \/>\nC. Gibberellin<br \/>\nD. Abscisic Acid<br \/>\nAnswer: B. Auxin<\/p>\n<p><strong>2. What is the term for the capacity of plant cells to develop into an entire organism?<\/strong><br \/>\nA. Pluripotency<br \/>\nB. Multipotency<br \/>\nC. Totipotency<br \/>\nD. Unipotency<br \/>\nAnswer: C. Totipotency<\/p>\n<p><strong>3. Which sterilizing agent is commonly used to disinfect explants in plant tissue culture?<\/strong><br \/>\nA. Ethanol<br \/>\nB. Sodium hypochlorite<br \/>\nC. Mercury chloride<br \/>\nD. All of the above<br \/>\nAnswer: D. All of the above<\/p>\n<p><strong>4. What is the commonly used nutrient medium for plant tissue culture?<\/strong><br \/>\nA. LB medium<br \/>\nB. PDA medium<br \/>\nC. Murashige and Skoog (MS) medium<br \/>\nD. EMB medium<br \/>\nAnswer: C. Murashige and Skoog (MS) medium<\/p>\n<p><strong>5. Which carbohydrate is most often used as a carbon source in plant tissue culture media?<\/strong><br \/>\nA. Fructose<br \/>\nB. Sucrose<br \/>\nC. Maltose<br \/>\nD. Glucose<br \/>\nAnswer: B. Sucrose<\/p>\n<p><strong>6. What is the purpose of adding agar to the culture medium?<\/strong><br \/>\nA. As a nutrient source<br \/>\nB. To provide a solid support<br \/>\nC. To adjust pH<br \/>\nD. To sterilize the medium<br \/>\nAnswer: B. To provide a solid support<\/p>\n<p><strong>7. Somatic embryogenesis refers to the formation of embryos from:<\/strong><br \/>\nA. Gametic cells<br \/>\nB. Vegetative cells<br \/>\nC. Zygotic cells<br \/>\nD. None of the above<br \/>\nAnswer: B. Vegetative cells<\/p>\n<p><strong>8. What is the role of cytokinin in plant tissue culture?<\/strong><br \/>\nA. Stimulates root formation<br \/>\nB. Promotes shoot proliferation<br \/>\nC. Inhibits cell division<br \/>\nD. Enhances somatic embryogenesis<br \/>\nAnswer: B. Promotes shoot proliferation<\/p>\n<p><strong>9. Protoplasts are cells without:<\/strong><br \/>\nA. Nucleus<br \/>\nB. Cytoplasm<br \/>\nC. Cell wall<br \/>\nD. Membrane<br \/>\nAnswer: C. Cell wall<\/p>\n<p><strong>10. Which of the following is a method for sterilizing the culture medium?<\/strong><br \/>\nA. Filtration<br \/>\nB. Autoclaving<br \/>\nC. UV irradiation<br \/>\nD. All of the above<br \/>\nAnswer: D. All of the above<\/p>\n<p><strong>11. In plant tissue culture, the term &#8220;explant&#8221; refers to:<\/strong><br \/>\nA. A part of the plant used for culture<br \/>\nB. The nutrient medium<br \/>\nC. A chemical additive<br \/>\nD. A sterilization technique<br \/>\nAnswer: A. A part of the plant used for culture<\/p>\n<p><strong>12. Hairy root culture is induced by which bacterium?<\/strong><br \/>\nA. Agrobacterium tumefaciens<br \/>\nB. Rhizobium radiobacter<br \/>\nC. Agrobacterium rhizogenes<br \/>\nD. Escherichia coli<br \/>\nAnswer: C. Agrobacterium rhizogenes<\/p>\n<p><strong>13. Which of the following is a synthetic auxin used in plant tissue culture?<\/strong><br \/>\nA. Indole-3-acetic acid (IAA)<br \/>\nB. Indole-3-butyric acid (IBA)<br \/>\nC. Naphthalene acetic acid (NAA)<br \/>\nD. All of the above<br \/>\nAnswer: D. All of the above<\/p>\n<p><strong>14. What is cryopreservation in the context of plant tissue culture?<\/strong><br \/>\nA. Drying plant tissues for storage<br \/>\nB. Storing plant tissues in liquid nitrogen<br \/>\nC. Sterilizing plant tissues<br \/>\nD. Culturing plants at high temperatures<br \/>\nAnswer: B. Storing plant tissues in liquid nitrogen<\/p>\n<p><strong>15. Micropropagation is commonly used for:<\/strong><br \/>\nA. Genetic modification<br \/>\nB. Rapid clonal multiplication<br \/>\nC. Producing hybrid seeds<br \/>\nD. Inducing mutations<br \/>\nAnswer: B. Rapid clonal multiplication<\/p>\n<p><strong>16. The addition of which hormone promotes root formation in tissue culture?<\/strong><br \/>\nA. Cytokinin<br \/>\nB. Gibberellin<br \/>\nC. Auxin<br \/>\nD. Ethylene<br \/>\nAnswer: C. Auxin<\/p>\n<p><strong>17. What is the term for the ability of a single plant cell to regenerate into a whole plant?<\/strong><br \/>\nA. Differentiation<br \/>\nB. Dedifferentiation<br \/>\nC. Competency<br \/>\nD. Totipotency<br \/>\nAnswer: D. Totipotency<\/p>\n<p><strong>18. Which gas is commonly used in tissue culture for maintaining an aseptic environment?<\/strong><br \/>\nA. Nitrogen<br \/>\nB. Carbon dioxide<br \/>\nC. Oxygen<br \/>\nD. Ethylene<br \/>\nAnswer: B. Carbon dioxide<\/p>\n<p><strong>19. Organogenesis refers to the:<\/strong><br \/>\nA. Formation of somatic embryos<br \/>\nB. Development of organs like roots and shoots<br \/>\nC. Synthesis of new tissues<br \/>\nD. Formation of callus<br \/>\nAnswer: B. Development of organs like roots and shoots<\/p>\n<p><strong>20. Which technique is used for large-scale production of secondary metabolites in plant tissue culture?<\/strong><br \/>\nA. Somatic hybridization<br \/>\nB. Suspension culture<br \/>\nC. Anther culture<br \/>\nD. Cryopreservation<br \/>\nAnswer: B. Suspension culture<\/p>\n<p><strong>21. Callus culture is generally initiated from:<\/strong><br \/>\nA. Leaf explants<br \/>\nB. Root tips<br \/>\nC. Shoot meristem<br \/>\nD. Any plant tissue<br \/>\nAnswer: D. Any plant tissue<\/p>\n<p><strong>22. The pH of the plant tissue culture medium is usually adjusted to:<\/strong><br \/>\nA. 3.5<br \/>\nB. 5.8<br \/>\nC. 7.0<br \/>\nD. 8.5<br \/>\nAnswer: B. 5.8<\/p>\n<p><strong>23. Which is a common contamination issue in plant tissue culture?<\/strong><br \/>\nA. Bacteria<br \/>\nB. Fungi<br \/>\nC. Yeast<br \/>\nD. All of the above<br \/>\nAnswer: D. All of the above<\/p>\n<p><strong>24. Which plant was first successfully cloned using tissue culture techniques?<\/strong><br \/>\nA. Tobacco<br \/>\nB. Carrot<br \/>\nC. Maize<br \/>\nD. Cotton<br \/>\nAnswer: B. Carrot<\/p>\n<p><strong>25. In vitro conservation is best achieved by:<\/strong><br \/>\nA. Organogenesis<br \/>\nB. Somatic embryogenesis<br \/>\nC. Cryopreservation<br \/>\nD. Micropropagation<br \/>\nAnswer: C. Cryopreservation<\/p>\n<p><strong>26. Which light source is commonly used in plant tissue culture labs?<\/strong><br \/>\nA. Sunlight<br \/>\nB. Fluorescent light<br \/>\nC. LED light<br \/>\nD. Incandescent light<br \/>\nAnswer: B. Fluorescent light<\/p>\n<p><strong>27. Why is activated charcoal sometimes added to the culture medium?<\/strong><br \/>\nA. To provide nutrients<br \/>\nB. To absorb toxic compounds<br \/>\nC. To enhance root growth<br \/>\nD. To sterilize the medium<br \/>\nAnswer: B. To absorb toxic compounds<\/p>\n<p><strong>28. Somaclonal variation occurs due to:<\/strong><br \/>\nA. Genetic mutations during tissue culture<br \/>\nB. Hormonal imbalance<br \/>\nC. Improper sterilization<br \/>\nD. Use of contaminated medium<br \/>\nAnswer: A. Genetic mutations during tissue culture<\/p>\n<p><strong>29. Which of the following is NOT a component of MS medium?<\/strong><br \/>\nA. Sucrose<br \/>\nB. Agar<br \/>\nC. Growth hormones<br \/>\nD. Proteins<br \/>\nAnswer: D. Proteins<\/p>\n<p><strong>30. Which plant tissue culture technique is used for virus elimination?<\/strong><br \/>\nA. Callus culture<br \/>\nB. Shoot tip culture<br \/>\nC. Suspension culture<br \/>\nD. Protoplast culture<br \/>\nAnswer: B. Shoot tip culture<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Benefits_of_Solving_Plant_Tissue_Culture_MCQ\"><\/span>Benefits of Solving Plant Tissue Culture MCQ<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<ul>\n<li><strong>Reinforces Knowledge<\/strong>: Helps reinforce understanding of key topics such as totipotency, tissue culture methods, and media preparation.<\/li>\n<li><strong>Enhances Problem-Solving Skills<\/strong>: Develops the ability to solve real-world biological problems related to plant cloning and genetic modification.<\/li>\n<li><strong>Improves Recall and Application<\/strong>: Tests your ability to recall and apply theoretical concepts in practical situations.<\/li>\n<li><strong>Boosts Confidence<\/strong>: Regular practice builds confidence and reduces exam anxiety.<\/li>\n<li><strong>Prepares for Competitive Exams<\/strong>: Helps in preparing for <strong>CBSE<\/strong> exams and other competitive exams like <strong>NEET<\/strong>.<\/li>\n<li><strong>Improves Time Management<\/strong>: Helps improve speed and accuracy, which are essential for exam performance.<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>Plant Tissue Culture MCQ: Plant tissue culture is a vital topic covered in the CBSE Class 12 Biology syllabus and [&hellip;]<\/p>\n","protected":false},"author":53,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_yoast_wpseo_focuskw":"Plant Tissue Culture MCQ","_yoast_wpseo_title":"Class 12 Biology Plant Tissue Culture MCQ","_yoast_wpseo_metadesc":"Explore Class 12 Biology Plant Tissue Culture MCQ to enhance your understanding of plant biotechnology. These practice questions are ideal for preparing for CBSE exams and NEET biology.","custom_permalink":"mcqs\/class-12-biology-plant-tissue-culture\/"},"categories":[11038],"tags":[],"table_tags":[],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v17.9 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Class 12 Biology Plant Tissue Culture MCQ<\/title>\n<meta name=\"description\" content=\"Explore Class 12 Biology Plant Tissue Culture MCQ to enhance your understanding of plant biotechnology. 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