{"id":85371,"date":"2025-06-01T03:14:50","date_gmt":"2025-06-01T03:14:50","guid":{"rendered":"https:\/\/exam.pscnotes.com\/mcq\/?p=85371"},"modified":"2025-06-01T03:14:50","modified_gmt":"2025-06-01T03:14:50","slug":"which-one-of-the-following-is-essential-for-thyroid-gland-to-make","status":"publish","type":"post","link":"https:\/\/exam.pscnotes.com\/mcq\/which-one-of-the-following-is-essential-for-thyroid-gland-to-make\/","title":{"rendered":"Which one of the following is essential for thyroid gland to make"},"content":{"rendered":"<p>Which one of the following is essential for thyroid gland to make thyroxin?<\/p>\n<p>[amp_mcq option1=&#8221;NaCl&#8221; option2=&#8221;KCl&#8221; option3=&#8221;Cholesterol&#8221; option4=&#8221;Iodine&#8221; correct=&#8221;option4&#8243;]<\/p>\n<div class=\"psc-box-pyq-exam-year-detail\">\n<div class=\"pyq-exam\">\n<div class=\"psc-heading\">This question was previously asked in<\/div>\n<div class=\"psc-title line-ellipsis\">UPSC CDS-1 &#8211; 2023<\/div>\n<\/div>\n<div class=\"pyq-exam-psc-buttons\"><a href=\"\/pyq\/pyq-upsc-cds-1-2023.pdf\" target=\"_blank\" class=\"psc-pdf-button\" rel=\"noopener\">Download PDF<\/a><a href=\"\/pyq-upsc-cds-1-2023\" target=\"_blank\" class=\"psc-attempt-button\" rel=\"noopener\">Attempt Online<\/a><\/div>\n<\/div>\n<section id=\"pyq-correct-answer\">Iodine is an essential trace element required by the thyroid gland to synthesize thyroid hormones, namely thyroxine (T4) and triiodothyronine (T3).<\/section>\n<section id=\"pyq-key-points\">Iodine atoms are incorporated into the structure of the thyroxine and triiodothyronine molecules. Deficiency of iodine can lead to impaired thyroid hormone production, resulting in conditions like goiter and hypothyroidism.<\/section>\n<section id=\"pyq-additional-information\">The thyroid gland actively accumulates iodide ions from the blood. The synthesis of thyroid hormones involves the iodination of tyrosine residues on the protein thyroglobulin.<\/section>\n","protected":false},"excerpt":{"rendered":"<p>Which one of the following is essential for thyroid gland to make thyroxin? [amp_mcq option1=&#8221;NaCl&#8221; option2=&#8221;KCl&#8221; option3=&#8221;Cholesterol&#8221; option4=&#8221;Iodine&#8221; correct=&#8221;option4&#8243;] This question was previously asked in UPSC CDS-1 &#8211; 2023 Download PDFAttempt Online Iodine is an essential trace element required by the thyroid gland to synthesize thyroid hormones, namely thyroxine (T4) and triiodothyronine (T3). Iodine atoms &#8230; <\/p>\n<p class=\"read-more-container\"><a title=\"Which one of the following is essential for thyroid gland to make\" class=\"read-more button\" href=\"https:\/\/exam.pscnotes.com\/mcq\/which-one-of-the-following-is-essential-for-thyroid-gland-to-make\/#more-85371\">Detailed Solution<span class=\"screen-reader-text\">Which one of the following is essential for thyroid gland to make<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1087],"tags":[1105,1117,1154],"class_list":["post-85371","post","type-post","status-publish","format-standard","hentry","category-upsc-cds-1","tag-1105","tag-biology","tag-endocrine-system","no-featured-image-padding"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v22.2 (Yoast SEO v23.3) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Which one of the following is essential for thyroid gland to make<\/title>\n<meta name=\"description\" content=\"Iodine is an essential trace element required by the thyroid gland to synthesize thyroid hormones, namely thyroxine (T4) and triiodothyronine (T3). Iodine atoms are incorporated into the structure of the thyroxine and triiodothyronine molecules. Deficiency of iodine can lead to impaired thyroid hormone production, resulting in conditions like goiter and hypothyroidism.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/exam.pscnotes.com\/mcq\/which-one-of-the-following-is-essential-for-thyroid-gland-to-make\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Which one of the following is essential for thyroid gland to make\" \/>\n<meta property=\"og:description\" content=\"Iodine is an essential trace element required by the thyroid gland to synthesize thyroid hormones, namely thyroxine (T4) and triiodothyronine (T3). Iodine atoms are incorporated into the structure of the thyroxine and triiodothyronine molecules. Deficiency of iodine can lead to impaired thyroid hormone production, resulting in conditions like goiter and hypothyroidism.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/exam.pscnotes.com\/mcq\/which-one-of-the-following-is-essential-for-thyroid-gland-to-make\/\" \/>\n<meta property=\"og:site_name\" content=\"MCQ and Quiz for Exams\" \/>\n<meta property=\"article:published_time\" content=\"2025-06-01T03:14:50+00:00\" \/>\n<meta name=\"author\" content=\"rawan239\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"rawan239\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 minute\" \/>\n<!-- \/ Yoast SEO Premium plugin. -->","yoast_head_json":{"title":"Which one of the following is essential for thyroid gland to make","description":"Iodine is an essential trace element required by the thyroid gland to synthesize thyroid hormones, namely thyroxine (T4) and triiodothyronine (T3). Iodine atoms are incorporated into the structure of the thyroxine and triiodothyronine molecules. Deficiency of iodine can lead to impaired thyroid hormone production, resulting in conditions like goiter and hypothyroidism.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/exam.pscnotes.com\/mcq\/which-one-of-the-following-is-essential-for-thyroid-gland-to-make\/","og_locale":"en_US","og_type":"article","og_title":"Which one of the following is essential for thyroid gland to make","og_description":"Iodine is an essential trace element required by the thyroid gland to synthesize thyroid hormones, namely thyroxine (T4) and triiodothyronine (T3). Iodine atoms are incorporated into the structure of the thyroxine and triiodothyronine molecules. Deficiency of iodine can lead to impaired thyroid hormone production, resulting in conditions like goiter and hypothyroidism.","og_url":"https:\/\/exam.pscnotes.com\/mcq\/which-one-of-the-following-is-essential-for-thyroid-gland-to-make\/","og_site_name":"MCQ and Quiz for Exams","article_published_time":"2025-06-01T03:14:50+00:00","author":"rawan239","twitter_card":"summary_large_image","twitter_misc":{"Written by":"rawan239","Est. reading time":"1 minute"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/exam.pscnotes.com\/mcq\/which-one-of-the-following-is-essential-for-thyroid-gland-to-make\/","url":"https:\/\/exam.pscnotes.com\/mcq\/which-one-of-the-following-is-essential-for-thyroid-gland-to-make\/","name":"Which one of the following is essential for thyroid gland to make","isPartOf":{"@id":"https:\/\/exam.pscnotes.com\/mcq\/#website"},"datePublished":"2025-06-01T03:14:50+00:00","dateModified":"2025-06-01T03:14:50+00:00","author":{"@id":"https:\/\/exam.pscnotes.com\/mcq\/#\/schema\/person\/5807dafeb27d2ec82344d6cbd6c3d209"},"description":"Iodine is an essential trace element required by the thyroid gland to synthesize thyroid hormones, namely thyroxine (T4) and triiodothyronine (T3). Iodine atoms are incorporated into the structure of the thyroxine and triiodothyronine molecules. 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