{"id":87633,"date":"2025-06-01T06:50:06","date_gmt":"2025-06-01T06:50:06","guid":{"rendered":"https:\/\/exam.pscnotes.com\/mcq\/?p=87633"},"modified":"2025-06-01T06:50:06","modified_gmt":"2025-06-01T06:50:06","slug":"which-one-of-the-following-cell-organelles-does-not-possess-its-own-ge","status":"publish","type":"post","link":"https:\/\/exam.pscnotes.com\/mcq\/which-one-of-the-following-cell-organelles-does-not-possess-its-own-ge\/","title":{"rendered":"Which one of the following cell organelles does NOT possess its own ge"},"content":{"rendered":"

Which one of the following cell organelles does NOT possess its own genetic material encoding proteins ?<\/p>\n

[amp_mcq option1=”Ribosome” option2=”Nucleus” option3=”Mitochondria” option4=”Chloroplast” correct=”option1″]<\/p>\n

\n
\n
This question was previously asked in<\/div>\n
UPSC NDA-1 – 2019<\/div>\n<\/div>\n
Download PDF<\/a>Attempt Online<\/a><\/div>\n<\/div>\n
\nThe correct answer is A) Ribosome.
\n<\/section>\n
\nCell organelles like the nucleus, mitochondria, and chloroplasts contain their own DNA which encodes some of their proteins. Ribosomes are composed of ribosomal RNA (rRNA) and proteins, but they do not possess their own DNA. The genes for ribosomal RNA are located in the nuclear DNA, and ribosomal proteins are synthesized in the cytoplasm based on mRNA transcribed from nuclear DNA.
\n<\/section>\n
\nMitochondria and chloroplasts are believed to have originated from endosymbiotic bacteria, which is why they retained their own circular DNA and protein synthesis machinery (including ribosomes distinct from cytoplasmic ribosomes). The nucleus contains the vast majority of a eukaryotic cell’s genetic material in the form of linear DNA chromosomes. Ribosomes are responsible for protein synthesis, translating mRNA into protein sequences, but they do not carry the genetic code for their own proteins or rRNA in a dedicated genome within the organelle itself.
\n<\/section>\n","protected":false},"excerpt":{"rendered":"

Which one of the following cell organelles does NOT possess its own genetic material encoding proteins ? [amp_mcq option1=”Ribosome” option2=”Nucleus” option3=”Mitochondria” option4=”Chloroplast” correct=”option1″] This question was previously asked in UPSC NDA-1 – 2019 Download PDFAttempt Online The correct answer is A) Ribosome. Cell organelles like the nucleus, mitochondria, and chloroplasts contain their own DNA which … <\/p>\n

Detailed SolutionWhich one of the following cell organelles does NOT possess its own ge<\/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":[1119,1117,1152],"class_list":["post-87633","post","type-post","status-publish","format-standard","hentry","category-upsc-nda-1","tag-1119","tag-biology","tag-cell","no-featured-image-padding"],"yoast_head":"\nWhich one of the following cell organelles does NOT possess its own ge<\/title>\n<meta name=\"description\" content=\"The correct answer is A) Ribosome. Cell organelles like the nucleus, mitochondria, and chloroplasts contain their own DNA which encodes some of their proteins. Ribosomes are composed of ribosomal RNA (rRNA) and proteins, but they do not possess their own DNA. 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