{"id":85744,"date":"2025-06-01T03:26:29","date_gmt":"2025-06-01T03:26:29","guid":{"rendered":"https:\/\/exam.pscnotes.com\/mcq\/?p=85744"},"modified":"2025-06-01T03:26:29","modified_gmt":"2025-06-01T03:26:29","slug":"the-foul-smell-of-urine-of-a-healthy-man-having-healthy-food-when-spi","status":"publish","type":"post","link":"https:\/\/exam.pscnotes.com\/mcq\/the-foul-smell-of-urine-of-a-healthy-man-having-healthy-food-when-spi\/","title":{"rendered":"The foul smell of urine of a healthy man having healthy food, when spi"},"content":{"rendered":"

The foul smell of urine of a healthy man having healthy food, when spilled on floor, is mainly due to the bacterial decomposition of<\/p>\n

[amp_mcq option1=”urea into sulphur dioxide” option2=”sugar into carbon dioxide” option3=”lipids into methane” option4=”urea into ammonia” correct=”option4″]<\/p>\n

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\n
This question was previously asked in<\/div>\n
UPSC CDS-2 – 2017<\/div>\n<\/div>\n
Download PDF<\/a>Attempt Online<\/a><\/div>\n<\/div>\n
\nWhen urine containing urea is exposed to air, bacteria (such as those commonly found in soil or on surfaces) break down the urea through a process called hydrolysis, producing ammonia. Ammonia is a volatile gas with a strong, pungent odor that causes the foul smell.
\n<\/section>\n
\nThe enzymatic decomposition of urea by bacteria yields ammonia and carbon dioxide.
\n<\/section>\n
\nFresh urine from a healthy individual is usually sterile and has little odor. The characteristic strong smell develops upon standing or spilling, due to the bacterial breakdown of urea. This is why ammonia is often used in cleaning products, although its smell is undesirable in other contexts.
\n<\/section>\n","protected":false},"excerpt":{"rendered":"

The foul smell of urine of a healthy man having healthy food, when spilled on floor, is mainly due to the bacterial decomposition of [amp_mcq option1=”urea into sulphur dioxide” option2=”sugar into carbon dioxide” option3=”lipids into methane” option4=”urea into ammonia” correct=”option4″] This question was previously asked in UPSC CDS-2 – 2017 Download PDFAttempt Online When urine … <\/p>\n

Detailed SolutionThe foul smell of urine of a healthy man having healthy food, when spi<\/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":[1101,1117,1281],"class_list":["post-85744","post","type-post","status-publish","format-standard","hentry","category-upsc-cds-2","tag-1101","tag-biology","tag-excretory-system","no-featured-image-padding"],"yoast_head":"\nThe foul smell of urine of a healthy man having healthy food, when spi<\/title>\n<meta name=\"description\" content=\"When urine containing urea is exposed to air, bacteria (such as those commonly found in soil or on surfaces) break down the urea through a process called hydrolysis, producing ammonia. Ammonia is a volatile gas with a strong, pungent odor that causes the foul smell. The enzymatic decomposition of urea by bacteria yields ammonia and carbon dioxide.\" \/>\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\/the-foul-smell-of-urine-of-a-healthy-man-having-healthy-food-when-spi\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"The foul smell of urine of a healthy man having healthy food, when spi\" \/>\n<meta property=\"og:description\" content=\"When urine containing urea is exposed to air, bacteria (such as those commonly found in soil or on surfaces) break down the urea through a process called hydrolysis, producing ammonia. Ammonia is a volatile gas with a strong, pungent odor that causes the foul smell. The enzymatic decomposition of urea by bacteria yields ammonia and carbon dioxide.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/exam.pscnotes.com\/mcq\/the-foul-smell-of-urine-of-a-healthy-man-having-healthy-food-when-spi\/\" \/>\n<meta property=\"og:site_name\" content=\"MCQ and Quiz for Exams\" \/>\n<meta property=\"article:published_time\" content=\"2025-06-01T03:26:29+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":"The foul smell of urine of a healthy man having healthy food, when spi","description":"When urine containing urea is exposed to air, bacteria (such as those commonly found in soil or on surfaces) break down the urea through a process called hydrolysis, producing ammonia. 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