{"id":87948,"date":"2025-06-01T06:58:22","date_gmt":"2025-06-01T06:58:22","guid":{"rendered":"https:\/\/exam.pscnotes.com\/mcq\/?p=87948"},"modified":"2025-06-01T06:58:22","modified_gmt":"2025-06-01T06:58:22","slug":"which-one-of-the-following-structures-is-not-present-in-a-prokaryoti","status":"publish","type":"post","link":"https:\/\/exam.pscnotes.com\/mcq\/which-one-of-the-following-structures-is-not-present-in-a-prokaryoti\/","title":{"rendered":"Which one of the following structures is not present in a prokaryoti"},"content":{"rendered":"

Which one of the following structures is not<\/b> present in a prokaryotic cell ?<\/p>\n

[amp_mcq option1=”Cell wall” option2=”Ribosomes” option3=”Nucleus” option4=”Plasma membrane” correct=”option3″]<\/p>\n

\n
\n
This question was previously asked in<\/div>\n
UPSC NDA-1 – 2023<\/div>\n<\/div>\n
Download PDF<\/a>Attempt Online<\/a><\/div>\n<\/div>\n
\nThe correct answer is C) Nucleus.
\n<\/section>\n
\nProkaryotic cells (like bacteria and archaea) are characterized by the absence of membrane-bound organelles. The nucleus is a membrane-bound organelle that houses the genetic material in eukaryotic cells. In prokaryotic cells, the genetic material (usually a single circular chromosome) is located in a region called the nucleoid, but it is not enclosed within a membrane. Cell walls are typically present in most prokaryotes, providing structural support. Ribosomes are present in prokaryotic cells and are essential for protein synthesis (prokaryotic ribosomes are smaller, 70S, compared to eukaryotic 80S). The plasma membrane (cell membrane) is a fundamental component present in all types of cells, both prokaryotic and eukaryotic, enclosing the cytoplasm.
\n<\/section>\n
\nOther membrane-bound organelles absent in prokaryotes include mitochondria, chloroplasts, endoplasmic reticulum, Golgi apparatus, lysosomes, and vacuoles. This structural simplicity is a defining characteristic of prokaryotic life.
\n<\/section>\n","protected":false},"excerpt":{"rendered":"

Which one of the following structures is not present in a prokaryotic cell ? [amp_mcq option1=”Cell wall” option2=”Ribosomes” option3=”Nucleus” option4=”Plasma membrane” correct=”option3″] This question was previously asked in UPSC NDA-1 – 2023 Download PDFAttempt Online The correct answer is C) Nucleus. Prokaryotic cells (like bacteria and archaea) are characterized by the absence of membrane-bound organelles. … <\/p>\n

Detailed SolutionWhich one of the following structures is not present in a prokaryoti<\/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":[1093],"tags":[1105,1117,1152],"class_list":["post-87948","post","type-post","status-publish","format-standard","hentry","category-upsc-nda-1","tag-1105","tag-biology","tag-cell","no-featured-image-padding"],"yoast_head":"\nWhich one of the following structures is not present in a prokaryoti<\/title>\n<meta name=\"description\" content=\"The correct answer is C) Nucleus. Prokaryotic cells (like bacteria and archaea) are characterized by the absence of membrane-bound organelles. The nucleus is a membrane-bound organelle that houses the genetic material in eukaryotic cells. In prokaryotic cells, the genetic material (usually a single circular chromosome) is located in a region called the nucleoid, but it is not enclosed within a membrane. Cell walls are typically present in most prokaryotes, providing structural support. Ribosomes are present in prokaryotic cells and are essential for protein synthesis (prokaryotic ribosomes are smaller, 70S, compared to eukaryotic 80S). The plasma membrane (cell membrane) is a fundamental component present in all types of cells, both prokaryotic and eukaryotic, enclosing the cytoplasm.\" \/>\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-structures-is-not-present-in-a-prokaryoti\/\" \/>\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 structures is not present in a prokaryoti\" \/>\n<meta property=\"og:description\" content=\"The correct answer is C) Nucleus. Prokaryotic cells (like bacteria and archaea) are characterized by the absence of membrane-bound organelles. The nucleus is a membrane-bound organelle that houses the genetic material in eukaryotic cells. In prokaryotic cells, the genetic material (usually a single circular chromosome) is located in a region called the nucleoid, but it is not enclosed within a membrane. Cell walls are typically present in most prokaryotes, providing structural support. Ribosomes are present in prokaryotic cells and are essential for protein synthesis (prokaryotic ribosomes are smaller, 70S, compared to eukaryotic 80S). The plasma membrane (cell membrane) is a fundamental component present in all types of cells, both prokaryotic and eukaryotic, enclosing the cytoplasm.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/exam.pscnotes.com\/mcq\/which-one-of-the-following-structures-is-not-present-in-a-prokaryoti\/\" \/>\n<meta property=\"og:site_name\" content=\"MCQ and Quiz for Exams\" \/>\n<meta property=\"article:published_time\" content=\"2025-06-01T06:58:22+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 structures is not present in a prokaryoti","description":"The correct answer is C) Nucleus. 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The plasma membrane (cell membrane) is a fundamental component present in all types of cells, both prokaryotic and eukaryotic, enclosing the cytoplasm.","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-structures-is-not-present-in-a-prokaryoti\/","og_locale":"en_US","og_type":"article","og_title":"Which one of the following structures is not present in a prokaryoti","og_description":"The correct answer is C) Nucleus. Prokaryotic cells (like bacteria and archaea) are characterized by the absence of membrane-bound organelles. The nucleus is a membrane-bound organelle that houses the genetic material in eukaryotic cells. In prokaryotic cells, the genetic material (usually a single circular chromosome) is located in a region called the nucleoid, but it is not enclosed within a membrane. 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The plasma membrane (cell membrane) is a fundamental component present in all types of cells, both prokaryotic and eukaryotic, enclosing the cytoplasm.","og_url":"https:\/\/exam.pscnotes.com\/mcq\/which-one-of-the-following-structures-is-not-present-in-a-prokaryoti\/","og_site_name":"MCQ and Quiz for Exams","article_published_time":"2025-06-01T06:58:22+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-structures-is-not-present-in-a-prokaryoti\/","url":"https:\/\/exam.pscnotes.com\/mcq\/which-one-of-the-following-structures-is-not-present-in-a-prokaryoti\/","name":"Which one of the following structures is not present in a prokaryoti","isPartOf":{"@id":"https:\/\/exam.pscnotes.com\/mcq\/#website"},"datePublished":"2025-06-01T06:58:22+00:00","dateModified":"2025-06-01T06:58:22+00:00","author":{"@id":"https:\/\/exam.pscnotes.com\/mcq\/#\/schema\/person\/5807dafeb27d2ec82344d6cbd6c3d209"},"description":"The correct answer is C) Nucleus. 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