{"id":92164,"date":"2025-06-01T11:16:10","date_gmt":"2025-06-01T11:16:10","guid":{"rendered":"https:\/\/exam.pscnotes.com\/mcq\/?p=92164"},"modified":"2025-06-01T11:16:10","modified_gmt":"2025-06-01T11:16:10","slug":"consider-the-following-butterflies-fish-frogs-how-many-of-the-a","status":"publish","type":"post","link":"https:\/\/exam.pscnotes.com\/mcq\/consider-the-following-butterflies-fish-frogs-how-many-of-the-a\/","title":{"rendered":"Consider the following :\n  Butterflies  Fish  Frogs  How many of the a"},"content":{"rendered":"<p>Consider the following :<\/p>\n<ul>\n<li>Butterflies<\/li>\n<li>Fish<\/li>\n<li>Frogs<\/li>\n<\/ul>\n<p>How many of the above have poisonous species among them ?<\/p>\n<p>[amp_mcq option1=&#8221;Only one&#8221; option2=&#8221;Only two&#8221; option3=&#8221;All three&#8221; option4=&#8221;None&#8221; correct=&#8221;option3&#8243;]<\/p>\n<div class=\"psc-box-pyq-exam-year-detail\">\n<div class=\"pyq-exam\">\n<div class=\"psc-heading\">This question was previously asked in<\/div>\n<div class=\"psc-title line-ellipsis\">UPSC IAS &#8211; 2024<\/div>\n<\/div>\n<div class=\"pyq-exam-psc-buttons\"><a href=\"\/pyq\/pyq-upsc-ias-2024.pdf\" target=\"_blank\" class=\"psc-pdf-button\" rel=\"noopener\">Download PDF<\/a><a href=\"\/pyq-upsc-ias-2024\" target=\"_blank\" class=\"psc-attempt-button\" rel=\"noopener\">Attempt Online<\/a><\/div>\n<\/div>\n<section id=\"pyq-correct-answer\">\nAll three groups listed \u2013 Butterflies, Fish, and Frogs \u2013 contain species that are poisonous.<br \/>\n<\/section>\n<section id=\"pyq-key-points\">\n&#8211; Butterflies: Some butterfly species, like the Monarch butterfly, are poisonous due to toxins accumulated from their host plants (e.g., milkweed). These toxins make them unpalatable to predators.<br \/>\n&#8211; Fish: Many fish species are poisonous if eaten (e.g., pufferfish containing tetrodotoxin). Additionally, many fish are venomous, possessing spines or barbs that deliver toxins (e.g., stonefish, lionfish, stingrays).<br \/>\n&#8211; Frogs: Numerous frog species, particularly brightly colored ones in tropical regions (like poison dart frogs), secrete potent toxins through their skin as a defense mechanism. These toxins can be extremely dangerous or even lethal to predators.<br \/>\n<\/section>\n<section id=\"pyq-additional-information\">\nThe terms &#8220;poisonous&#8221; (toxic when eaten or touched) and &#8220;venomous&#8221; (delivers toxin via bite, sting, etc.) are distinct, but both fall under the umbrella of containing toxins for defense or offense. The question asks about &#8220;poisonous species,&#8221; which generally encompasses both forms of toxicity in common usage, and in this context, species with either type of toxicity are found in all three groups.<br \/>\n<\/section>\n","protected":false},"excerpt":{"rendered":"<p>Consider the following : Butterflies Fish Frogs How many of the above have poisonous species among them ? [amp_mcq option1=&#8221;Only one&#8221; option2=&#8221;Only two&#8221; option3=&#8221;All three&#8221; option4=&#8221;None&#8221; correct=&#8221;option3&#8243;] This question was previously asked in UPSC IAS &#8211; 2024 Download PDFAttempt Online All three groups listed \u2013 Butterflies, Fish, and Frogs \u2013 contain species that are poisonous. &#8230; <\/p>\n<p class=\"read-more-container\"><a title=\"Consider the following :\n  Butterflies  Fish  Frogs  How many of the a\" class=\"read-more button\" href=\"https:\/\/exam.pscnotes.com\/mcq\/consider-the-following-butterflies-fish-frogs-how-many-of-the-a\/#more-92164\">Detailed Solution<span class=\"screen-reader-text\">Consider the following :<br \/>\n  Butterflies  Fish  Frogs  How many of the a<\/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":[1092],"tags":[1103,1117,1115],"class_list":["post-92164","post","type-post","status-publish","format-standard","hentry","category-upsc-ias","tag-1103","tag-biology","tag-miscellaneous","no-featured-image-padding"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v22.2 (Yoast SEO v23.3) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Consider the following :  Butterflies Fish Frogs How many of the a<\/title>\n<meta name=\"description\" content=\"All three groups listed \u2013 Butterflies, Fish, and Frogs \u2013 contain species that are poisonous. - Butterflies: Some butterfly species, like the Monarch butterfly, are poisonous due to toxins accumulated from their host plants (e.g., milkweed). These toxins make them unpalatable to predators. - Fish: Many fish species are poisonous if eaten (e.g., pufferfish containing tetrodotoxin). Additionally, many fish are venomous, possessing spines or barbs that deliver toxins (e.g., stonefish, lionfish, stingrays). - Frogs: Numerous frog species, particularly brightly colored ones in tropical regions (like poison dart frogs), secrete potent toxins through their skin as a defense mechanism. These toxins can be extremely dangerous or even lethal to predators.\" \/>\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\/consider-the-following-butterflies-fish-frogs-how-many-of-the-a\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Consider the following :  Butterflies Fish Frogs How many of the a\" \/>\n<meta property=\"og:description\" content=\"All three groups listed \u2013 Butterflies, Fish, and Frogs \u2013 contain species that are poisonous. - Butterflies: Some butterfly species, like the Monarch butterfly, are poisonous due to toxins accumulated from their host plants (e.g., milkweed). These toxins make them unpalatable to predators. - Fish: Many fish species are poisonous if eaten (e.g., pufferfish containing tetrodotoxin). Additionally, many fish are venomous, possessing spines or barbs that deliver toxins (e.g., stonefish, lionfish, stingrays). - Frogs: Numerous frog species, particularly brightly colored ones in tropical regions (like poison dart frogs), secrete potent toxins through their skin as a defense mechanism. These toxins can be extremely dangerous or even lethal to predators.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/exam.pscnotes.com\/mcq\/consider-the-following-butterflies-fish-frogs-how-many-of-the-a\/\" \/>\n<meta property=\"og:site_name\" content=\"MCQ and Quiz for Exams\" \/>\n<meta property=\"article:published_time\" content=\"2025-06-01T11:16:10+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":"Consider the following :  Butterflies Fish Frogs How many of the a","description":"All three groups listed \u2013 Butterflies, Fish, and Frogs \u2013 contain species that are poisonous. - Butterflies: Some butterfly species, like the Monarch butterfly, are poisonous due to toxins accumulated from their host plants (e.g., milkweed). These toxins make them unpalatable to predators. - Fish: Many fish species are poisonous if eaten (e.g., pufferfish containing tetrodotoxin). Additionally, many fish are venomous, possessing spines or barbs that deliver toxins (e.g., stonefish, lionfish, stingrays). - Frogs: Numerous frog species, particularly brightly colored ones in tropical regions (like poison dart frogs), secrete potent toxins through their skin as a defense mechanism. These toxins can be extremely dangerous or even lethal to predators.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/exam.pscnotes.com\/mcq\/consider-the-following-butterflies-fish-frogs-how-many-of-the-a\/","og_locale":"en_US","og_type":"article","og_title":"Consider the following :  Butterflies Fish Frogs How many of the a","og_description":"All three groups listed \u2013 Butterflies, Fish, and Frogs \u2013 contain species that are poisonous. - Butterflies: Some butterfly species, like the Monarch butterfly, are poisonous due to toxins accumulated from their host plants (e.g., milkweed). These toxins make them unpalatable to predators. - Fish: Many fish species are poisonous if eaten (e.g., pufferfish containing tetrodotoxin). Additionally, many fish are venomous, possessing spines or barbs that deliver toxins (e.g., stonefish, lionfish, stingrays). - Frogs: Numerous frog species, particularly brightly colored ones in tropical regions (like poison dart frogs), secrete potent toxins through their skin as a defense mechanism. These toxins can be extremely dangerous or even lethal to predators.","og_url":"https:\/\/exam.pscnotes.com\/mcq\/consider-the-following-butterflies-fish-frogs-how-many-of-the-a\/","og_site_name":"MCQ and Quiz for Exams","article_published_time":"2025-06-01T11:16:10+00:00","author":"rawan239","twitter_card":"summary_large_image","twitter_misc":{"Written by":"rawan239","Est. reading time":"1 minute"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/exam.pscnotes.com\/mcq\/consider-the-following-butterflies-fish-frogs-how-many-of-the-a\/","url":"https:\/\/exam.pscnotes.com\/mcq\/consider-the-following-butterflies-fish-frogs-how-many-of-the-a\/","name":"Consider the following : Butterflies Fish Frogs How many of the a","isPartOf":{"@id":"https:\/\/exam.pscnotes.com\/mcq\/#website"},"datePublished":"2025-06-01T11:16:10+00:00","dateModified":"2025-06-01T11:16:10+00:00","author":{"@id":"https:\/\/exam.pscnotes.com\/mcq\/#\/schema\/person\/5807dafeb27d2ec82344d6cbd6c3d209"},"description":"All three groups listed \u2013 Butterflies, Fish, and Frogs \u2013 contain species that are poisonous. - Butterflies: Some butterfly species, like the Monarch butterfly, are poisonous due to toxins accumulated from their host plants (e.g., milkweed). 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