{"id":89834,"date":"2025-06-01T10:14:32","date_gmt":"2025-06-01T10:14:32","guid":{"rendered":"https:\/\/exam.pscnotes.com\/mcq\/?p=89834"},"modified":"2025-06-01T10:14:32","modified_gmt":"2025-06-01T10:14:32","slug":"animal-cell-wall-is-essentially-made-of","status":"publish","type":"post","link":"https:\/\/exam.pscnotes.com\/mcq\/animal-cell-wall-is-essentially-made-of\/","title":{"rendered":"Animal cell wall is essentially made of :"},"content":{"rendered":"

Animal cell wall is essentially made of :<\/p>\n

[amp_mcq option1=”Protein” option2=”Carbohydrate” option3=”Lipid bilayer” option4=”Cellulose” correct=”option3″]<\/p>\n

\n
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This question was previously asked in<\/div>\n
UPSC CAPF – 2014<\/div>\n<\/div>\n
Download PDF<\/a>Attempt Online<\/a><\/div>\n<\/div>\n
\nAnimal cells do not have a cell wall. However, if the question is interpreted as referring to the main structural component of the animal cell boundary (the cell membrane), then it is the lipid bilayer.
\n<\/section>\n
\nBiologically, animal cells fundamentally *lack* a cell wall. Cell walls are found in plant cells (cellulose), fungal cells (chitin), bacterial cells (peptidoglycan), etc., providing structural support outside the cell membrane. Animal cells only have a cell membrane as their outer boundary. The cell membrane is primarily composed of a lipid bilayer with embedded proteins and associated carbohydrates. Given the options, “Lipid bilayer” is the most accurate description of the essential structural component of the animal cell *membrane*. The question is likely flawed in its phrasing, using “cell wall” instead of “cell membrane”, or is designed to test the knowledge that animal cells lack a cell wall, with the options representing components of structures *found in other organisms* or other parts of the animal cell. Assuming the most probable intent of the test setter asking about the main structural component at the cell periphery among the options, Lipid bilayer (the core of the cell membrane) is the closest fit, although technically it’s the membrane, not a wall.
\n<\/section>\n
\nCellulose is the main component of plant cell walls. Protein and carbohydrate are also components of the animal cell membrane (proteins embedded within or associated with the lipid bilayer, and carbohydrates often attached to lipids or proteins on the outer surface, forming the glycocalyx), but the lipid bilayer forms the basic structural framework of the membrane. Since animal cells do not have a cell wall, strictly speaking, none of the options are correct as components of an animal cell wall. However, in the context of a multiple-choice question where a choice must be made, and given the options, it is likely that the question intends to refer to the cell membrane, or it is a poorly constructed question. Based on typical biological components listed and the presence of Lipid bilayer, it is the most likely intended answer if the question refers to the cell membrane or the primary outer structural element.
\n<\/section>\n","protected":false},"excerpt":{"rendered":"

Animal cell wall is essentially made of : [amp_mcq option1=”Protein” option2=”Carbohydrate” option3=”Lipid bilayer” option4=”Cellulose” correct=”option3″] This question was previously asked in UPSC CAPF – 2014 Download PDFAttempt Online Animal cells do not have a cell wall. However, if the question is interpreted as referring to the main structural component of the animal cell boundary (the … <\/p>\n

Detailed SolutionAnimal cell wall is essentially made of :<\/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":[1085],"tags":[1468,1117,1152],"class_list":["post-89834","post","type-post","status-publish","format-standard","hentry","category-upsc-capf","tag-1468","tag-biology","tag-cell","no-featured-image-padding"],"yoast_head":"\nAnimal cell wall is essentially made of :<\/title>\n<meta name=\"description\" content=\"Animal cells do not have a cell wall. However, if the question is interpreted as referring to the main structural component of the animal cell boundary (the cell membrane), then it is the lipid bilayer. Biologically, animal cells fundamentally *lack* a cell wall. 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