{"id":85810,"date":"2025-06-01T03:28:36","date_gmt":"2025-06-01T03:28:36","guid":{"rendered":"https:\/\/exam.pscnotes.com\/mcq\/?p=85810"},"modified":"2025-06-01T03:28:36","modified_gmt":"2025-06-01T03:28:36","slug":"which-of-the-following-is-are-the-main-absorbing-organ-organs-of","status":"publish","type":"post","link":"https:\/\/exam.pscnotes.com\/mcq\/which-of-the-following-is-are-the-main-absorbing-organ-organs-of\/","title":{"rendered":"Which of the following is\/are the main absorbing organ\/organs of"},"content":{"rendered":"

Which of the following is\/are the main absorbing organ\/organs of plants?<\/p>\n

[amp_mcq option1=”Root only” option2=”Leaf only” option3=”Root and leaf only” option4=”Root, leaf and bark” correct=”option3″]<\/p>\n

\n
\n
This question was previously asked in<\/div>\n
UPSC CDS-2 – 2018<\/div>\n<\/div>\n
Download PDF<\/a>Attempt Online<\/a><\/div>\n<\/div>\n
\nPlants absorb substances from their environment through specialized organs.
\nRoots are the primary organs for absorbing water and mineral nutrients from the soil. They are well-adapted for this function with root hairs increasing surface area.
\nLeaves are the primary organs for absorbing carbon dioxide (CO\u2082) from the atmosphere, which is essential for photosynthesis. They also play a role in absorbing water vapor or even liquid water directly from the surface (e.g., dew), though this is usually not the main source of water compared to root absorption.
\nBark, particularly older bark, is generally not a primary absorbing organ for water or nutrients from the substrate or air, although some gas exchange might occur through lenticels.
\nConsidering the main substances absorbed by plants for their metabolism (water, minerals, CO\u2082), both roots (from soil) and leaves (from air) function as primary absorbing organs. Thus, “Root and leaf only” best describes the main absorbing organs among the given options.
\n<\/section>\n
\n– Roots absorb water and minerals from the soil.
\n– Leaves absorb carbon dioxide from the atmosphere.
\n– Both are essential absorptive processes for plant survival.
\n– Bark is generally not a primary absorbing organ.
\n<\/section>\n
\nWhile roots absorb water and minerals, leaves are the main sites of CO\u2082 absorption, which is crucial for photosynthesis. Some specialized structures like epiphytic roots or insectivorous leaves might have unique absorption functions, but in general terms for typical vascular plants, roots and leaves are the main absorbing interfaces with the environment (soil and atmosphere respectively).
\n<\/section>\n","protected":false},"excerpt":{"rendered":"

Which of the following is\/are the main absorbing organ\/organs of plants? [amp_mcq option1=”Root only” option2=”Leaf only” option3=”Root and leaf only” option4=”Root, leaf and bark” correct=”option3″] This question was previously asked in UPSC CDS-2 – 2018 Download PDFAttempt Online Plants absorb substances from their environment through specialized organs. Roots are the primary organs for absorbing water … <\/p>\n

Detailed SolutionWhich of the following is\/are the main absorbing organ\/organs 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":[1088],"tags":[1114,1117,1118],"class_list":["post-85810","post","type-post","status-publish","format-standard","hentry","category-upsc-cds-2","tag-1114","tag-biology","tag-plant-physiology","no-featured-image-padding"],"yoast_head":"\nWhich of the following is\/are the main absorbing organ\/organs of<\/title>\n<meta name=\"description\" content=\"Plants absorb substances from their environment through specialized organs. Roots are the primary organs for absorbing water and mineral nutrients from the soil. They are well-adapted for this function with root hairs increasing surface area. Leaves are the primary organs for absorbing carbon dioxide (CO\u2082) from the atmosphere, which is essential for photosynthesis. They also play a role in absorbing water vapor or even liquid water directly from the surface (e.g., dew), though this is usually not the main source of water compared to root absorption. Bark, particularly older bark, is generally not a primary absorbing organ for water or nutrients from the substrate or air, although some gas exchange might occur through lenticels. Considering the main substances absorbed by plants for their metabolism (water, minerals, CO\u2082), both roots (from soil) and leaves (from air) function as primary absorbing organs. Thus, "Root and leaf only" best describes the main absorbing organs among the given options. - Roots absorb water and minerals from the soil. - Leaves absorb carbon dioxide from the atmosphere. - Both are essential absorptive processes for plant survival. - Bark is generally not a primary absorbing organ.\" \/>\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-of-the-following-is-are-the-main-absorbing-organ-organs-of\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Which of the following is\/are the main absorbing organ\/organs of\" \/>\n<meta property=\"og:description\" content=\"Plants absorb substances from their environment through specialized organs. Roots are the primary organs for absorbing water and mineral nutrients from the soil. They are well-adapted for this function with root hairs increasing surface area. Leaves are the primary organs for absorbing carbon dioxide (CO\u2082) from the atmosphere, which is essential for photosynthesis. They also play a role in absorbing water vapor or even liquid water directly from the surface (e.g., dew), though this is usually not the main source of water compared to root absorption. Bark, particularly older bark, is generally not a primary absorbing organ for water or nutrients from the substrate or air, although some gas exchange might occur through lenticels. Considering the main substances absorbed by plants for their metabolism (water, minerals, CO\u2082), both roots (from soil) and leaves (from air) function as primary absorbing organs. Thus, "Root and leaf only" best describes the main absorbing organs among the given options. - Roots absorb water and minerals from the soil. - Leaves absorb carbon dioxide from the atmosphere. - Both are essential absorptive processes for plant survival. - Bark is generally not a primary absorbing organ.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/exam.pscnotes.com\/mcq\/which-of-the-following-is-are-the-main-absorbing-organ-organs-of\/\" \/>\n<meta property=\"og:site_name\" content=\"MCQ and Quiz for Exams\" \/>\n<meta property=\"article:published_time\" content=\"2025-06-01T03:28:36+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":"Which of the following is\/are the main absorbing organ\/organs of","description":"Plants absorb substances from their environment through specialized organs. Roots are the primary organs for absorbing water and mineral nutrients from the soil. They are well-adapted for this function with root hairs increasing surface area. Leaves are the primary organs for absorbing carbon dioxide (CO\u2082) from the atmosphere, which is essential for photosynthesis. They also play a role in absorbing water vapor or even liquid water directly from the surface (e.g., dew), though this is usually not the main source of water compared to root absorption. Bark, particularly older bark, is generally not a primary absorbing organ for water or nutrients from the substrate or air, although some gas exchange might occur through lenticels. Considering the main substances absorbed by plants for their metabolism (water, minerals, CO\u2082), both roots (from soil) and leaves (from air) function as primary absorbing organs. Thus, \"Root and leaf only\" best describes the main absorbing organs among the given options. - Roots absorb water and minerals from the soil. - Leaves absorb carbon dioxide from the atmosphere. - Both are essential absorptive processes for plant survival. - Bark is generally not a primary absorbing organ.","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\/which-of-the-following-is-are-the-main-absorbing-organ-organs-of\/","og_locale":"en_US","og_type":"article","og_title":"Which of the following is\/are the main absorbing organ\/organs of","og_description":"Plants absorb substances from their environment through specialized organs. Roots are the primary organs for absorbing water and mineral nutrients from the soil. They are well-adapted for this function with root hairs increasing surface area. Leaves are the primary organs for absorbing carbon dioxide (CO\u2082) from the atmosphere, which is essential for photosynthesis. They also play a role in absorbing water vapor or even liquid water directly from the surface (e.g., dew), though this is usually not the main source of water compared to root absorption. Bark, particularly older bark, is generally not a primary absorbing organ for water or nutrients from the substrate or air, although some gas exchange might occur through lenticels. Considering the main substances absorbed by plants for their metabolism (water, minerals, CO\u2082), both roots (from soil) and leaves (from air) function as primary absorbing organs. Thus, \"Root and leaf only\" best describes the main absorbing organs among the given options. - Roots absorb water and minerals from the soil. - Leaves absorb carbon dioxide from the atmosphere. - Both are essential absorptive processes for plant survival. - Bark is generally not a primary absorbing organ.","og_url":"https:\/\/exam.pscnotes.com\/mcq\/which-of-the-following-is-are-the-main-absorbing-organ-organs-of\/","og_site_name":"MCQ and Quiz for Exams","article_published_time":"2025-06-01T03:28:36+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\/which-of-the-following-is-are-the-main-absorbing-organ-organs-of\/","url":"https:\/\/exam.pscnotes.com\/mcq\/which-of-the-following-is-are-the-main-absorbing-organ-organs-of\/","name":"Which of the following is\/are the main absorbing organ\/organs of","isPartOf":{"@id":"https:\/\/exam.pscnotes.com\/mcq\/#website"},"datePublished":"2025-06-01T03:28:36+00:00","dateModified":"2025-06-01T03:28:36+00:00","author":{"@id":"https:\/\/exam.pscnotes.com\/mcq\/#\/schema\/person\/5807dafeb27d2ec82344d6cbd6c3d209"},"description":"Plants absorb substances from their environment through specialized organs. 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