{"id":86182,"date":"2025-06-01T03:39:41","date_gmt":"2025-06-01T03:39:41","guid":{"rendered":"https:\/\/exam.pscnotes.com\/mcq\/?p=86182"},"modified":"2025-06-01T03:39:41","modified_gmt":"2025-06-01T03:39:41","slug":"which-one-of-the-following-acids-is-secreted-by-leaves-of-nettle-that","status":"publish","type":"post","link":"https:\/\/exam.pscnotes.com\/mcq\/which-one-of-the-following-acids-is-secreted-by-leaves-of-nettle-that\/","title":{"rendered":"Which one of the following acids is secreted by leaves of Nettle that"},"content":{"rendered":"

Which one of the following acids is secreted by leaves of Nettle that causes painful stings?<\/p>\n

[amp_mcq option1=”Methanoic acid” option2=”Citric acid” option3=”Tartaric acid” option4=”Acetic acid” correct=”option1″]<\/p>\n

\n
\n
This question was previously asked in<\/div>\n
UPSC CDS-2 – 2021<\/div>\n<\/div>\n
Download PDF<\/a>Attempt Online<\/a><\/div>\n<\/div>\n
\nThe stinging sensation caused by Nettle leaves (Urtica dioica) is primarily due to the injection of chemicals from specialized hairs (trichomes). One of the main chemicals responsible is formic acid, which is also known by its IUPAC name, methanoic acid (HCOOH).
\n<\/section>\n
\nMethanoic acid (formic acid) is a simple carboxylic acid found in natural sources like ant stings and nettle stings, causing irritation and pain.
\n<\/section>\n
\nNettle stings also contain other irritating chemicals like histamine, acetylcholine, and serotonin, which contribute to the overall inflammatory response and sensation. Methanoic acid is the systematic name for the smallest carboxylic acid (one carbon atom).
\n<\/section>\n","protected":false},"excerpt":{"rendered":"

Which one of the following acids is secreted by leaves of Nettle that causes painful stings? [amp_mcq option1=”Methanoic acid” option2=”Citric acid” option3=”Tartaric acid” option4=”Acetic acid” correct=”option1″] This question was previously asked in UPSC CDS-2 – 2021 Download PDFAttempt Online The stinging sensation caused by Nettle leaves (Urtica dioica) is primarily due to the injection of … <\/p>\n

Detailed SolutionWhich one of the following acids is secreted by leaves of Nettle that<\/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":[1088],"tags":[1110,1117,1118],"class_list":["post-86182","post","type-post","status-publish","format-standard","hentry","category-upsc-cds-2","tag-1110","tag-biology","tag-plant-physiology","no-featured-image-padding"],"yoast_head":"\nWhich one of the following acids is secreted by leaves of Nettle that<\/title>\n<meta name=\"description\" content=\"The stinging sensation caused by Nettle leaves (Urtica dioica) is primarily due to the injection of chemicals from specialized hairs (trichomes). One of the main chemicals responsible is formic acid, which is also known by its IUPAC name, methanoic acid (HCOOH). Methanoic acid (formic acid) is a simple carboxylic acid found in natural sources like ant stings and nettle stings, causing irritation and pain.\" \/>\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-acids-is-secreted-by-leaves-of-nettle-that\/\" \/>\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 acids is secreted by leaves of Nettle that\" \/>\n<meta property=\"og:description\" content=\"The stinging sensation caused by Nettle leaves (Urtica dioica) is primarily due to the injection of chemicals from specialized hairs (trichomes). One of the main chemicals responsible is formic acid, which is also known by its IUPAC name, methanoic acid (HCOOH). 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