{"id":87454,"date":"2025-06-01T06:44:31","date_gmt":"2025-06-01T06:44:31","guid":{"rendered":"https:\/\/exam.pscnotes.com\/mcq\/?p=87454"},"modified":"2025-06-01T06:44:31","modified_gmt":"2025-06-01T06:44:31","slug":"red-blood-cells-rbcs-have","status":"publish","type":"post","link":"https:\/\/exam.pscnotes.com\/mcq\/red-blood-cells-rbcs-have\/","title":{"rendered":"Red blood cells (RBCs) have"},"content":{"rendered":"

Red blood cells (RBCs) have<\/p>\n

[amp_mcq option1=”no nucleus, no mitochondria and no endoplasmic reticulum” option2=”nucleus, mitochondria and endoplasmic reticulum” option3=”nucleus, mitochondria but no endoplasmic reticulum” option4=”no mitochondria but endoplasmic reticulum is present” correct=”option1″]<\/p>\n

\n
\n
This question was previously asked in<\/div>\n
UPSC NDA-1 – 2017<\/div>\n<\/div>\n
Download PDF<\/a>Attempt Online<\/a><\/div>\n<\/div>\n
\nThe correct answer is no nucleus, no mitochondria and no endoplasmic reticulum.
\n<\/section>\n
\nMature mammalian red blood cells (erythrocytes) are unique in that they lack most organelles found in other eukaryotic cells. They are anucleated, meaning they do not have a nucleus. They also lack mitochondria, endoplasmic reticulum, and Golgi apparatus.
\n<\/section>\n
\nThe absence of these organelles maximizes the space available for hemoglobin, the protein responsible for oxygen transport. The lack of mitochondria means that RBCs rely on anaerobic respiration (glycolysis) for energy, ensuring that they do not consume the oxygen they carry. Their distinctive biconcave shape provides a large surface area for gas exchange.
\n<\/section>\n","protected":false},"excerpt":{"rendered":"

Red blood cells (RBCs) have [amp_mcq option1=”no nucleus, no mitochondria and no endoplasmic reticulum” option2=”nucleus, mitochondria and endoplasmic reticulum” option3=”nucleus, mitochondria but no endoplasmic reticulum” option4=”no mitochondria but endoplasmic reticulum is present” correct=”option1″] This question was previously asked in UPSC NDA-1 – 2017 Download PDFAttempt Online The correct answer is no nucleus, no mitochondria and … <\/p>\n

Detailed SolutionRed blood cells (RBCs) have<\/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":[1101,1117,1126],"class_list":["post-87454","post","type-post","status-publish","format-standard","hentry","category-upsc-nda-1","tag-1101","tag-biology","tag-circulatory-system","no-featured-image-padding"],"yoast_head":"\nRed blood cells (RBCs) have<\/title>\n<meta name=\"description\" content=\"The correct answer is no nucleus, no mitochondria and no endoplasmic reticulum. Mature mammalian red blood cells (erythrocytes) are unique in that they lack most organelles found in other eukaryotic cells. They are anucleated, meaning they do not have a nucleus. 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