{"id":92788,"date":"2025-06-01T11:32:36","date_gmt":"2025-06-01T11:32:36","guid":{"rendered":"https:\/\/exam.pscnotes.com\/mcq\/?p=92788"},"modified":"2025-06-01T11:32:36","modified_gmt":"2025-06-01T11:32:36","slug":"the-kingdom-plantae-as-laid-down-by-r-whittaker-comprises-which-of-th","status":"publish","type":"post","link":"https:\/\/exam.pscnotes.com\/mcq\/the-kingdom-plantae-as-laid-down-by-r-whittaker-comprises-which-of-th\/","title":{"rendered":"The kingdom Plantae as laid down by R. Whittaker comprises which of th"},"content":{"rendered":"

The kingdom Plantae as laid down by R. Whittaker comprises which of the following group of plants?<\/p>\n

[amp_mcq option1=”Bryophyta, Pteridophyta, Protista, Gymnosperms and Angiosperms” option2=”Thallophyta, Pteridophyta, Fungi, Gymnosperms and Angiosperms” option3=”Thallophyta, Bryophyta, Monera, Pteridophyta and Gymnosperms” option4=”Thallophyta, Bryophyta, Pteridophyta, Gymnosperms and Angiosperms” correct=”option4″]<\/p>\n

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This question was previously asked in<\/div>\n
UPSC CISF-AC-EXE – 2020<\/div>\n<\/div>\n
Download PDF<\/a>Attempt Online<\/a><\/div>\n<\/div>\n
\nThe kingdom Plantae as laid down by R. Whittaker comprises Thallophyta, Bryophyta, Pteridophyta, Gymnosperms and Angiosperms.
\n<\/section>\n
\n– R.H. Whittaker proposed the five-kingdom classification system: Monera, Protista, Fungi, Plantae, and Animalia.
\n– According to Whittaker’s system, the kingdom Plantae includes multicellular eukaryotic organisms that are autotrophic (perform photosynthesis) and have cell walls primarily made of cellulose.
\n– The major groups traditionally placed under Plantae in Whittaker’s system are Algae (specifically multicellular forms), Bryophytes, Pteridophytes, Gymnosperms, and Angiosperms.
\n– The term ‘Thallophyta’ is an older classification group (or a descriptive term) that included organisms with an undifferentiated body structure (thallus), such as algae, fungi, and lichens. In Whittaker’s system, Fungi were placed in a separate kingdom, and Algae were distributed among Protista (unicellular eukaryotes) and Plantae (multicellular eukaryotes).
\n– Option D lists Thallophyta, Bryophyta, Pteridophyta, Gymnosperms, and Angiosperms. Given the other options include members of Monera, Protista, and Fungi (separate kingdoms), option D is the most accurate representation of the groups typically included in Whittaker’s Plantae. ‘Thallophyta’ in this context likely refers to the multicellular algae forms included in Plantae by Whittaker, such as some green algae (e.g., Spirogyra, Ulothrix) and brown\/red algae.
\n<\/section>\n
\nWhittaker’s five-kingdom system was a significant step in biological classification, separating organisms based on cell structure, mode of nutrition, and ecological role. While ‘Thallophyta’ is somewhat an outdated term as a formal taxon in modern cladistics, its inclusion in Option D reflects the historical context and how these groups were often discussed under the umbrella of Plantae in earlier classification frameworks like Whittaker’s, distinguishing them from Embryophytes (Bryophytes, Pteridophytes, Gymnosperms, Angiosperms).
\n<\/section>\n","protected":false},"excerpt":{"rendered":"

The kingdom Plantae as laid down by R. Whittaker comprises which of the following group of plants? [amp_mcq option1=”Bryophyta, Pteridophyta, Protista, Gymnosperms and Angiosperms” option2=”Thallophyta, Pteridophyta, Fungi, Gymnosperms and Angiosperms” option3=”Thallophyta, Bryophyta, Monera, Pteridophyta and Gymnosperms” option4=”Thallophyta, Bryophyta, Pteridophyta, Gymnosperms and Angiosperms” correct=”option4″] This question was previously asked in UPSC CISF-AC-EXE – 2020 Download PDFAttempt … <\/p>\n

Detailed SolutionThe kingdom Plantae as laid down by R. Whittaker comprises which of th<\/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":[1089],"tags":[1288,1117,1243],"class_list":["post-92788","post","type-post","status-publish","format-standard","hentry","category-upsc-cisf-ac-exe","tag-1288","tag-biology","tag-taxonomy","no-featured-image-padding"],"yoast_head":"\nThe kingdom Plantae as laid down by R. Whittaker comprises which of th<\/title>\n<meta name=\"description\" content=\"The kingdom Plantae as laid down by R. Whittaker comprises Thallophyta, Bryophyta, Pteridophyta, Gymnosperms and Angiosperms. - R.H. Whittaker proposed the five-kingdom classification system: Monera, Protista, Fungi, Plantae, and Animalia. - According to Whittaker's system, the kingdom Plantae includes multicellular eukaryotic organisms that are autotrophic (perform photosynthesis) and have cell walls primarily made of cellulose. - The major groups traditionally placed under Plantae in Whittaker's system are Algae (specifically multicellular forms), Bryophytes, Pteridophytes, Gymnosperms, and Angiosperms. - The term 'Thallophyta' is an older classification group (or a descriptive term) that included organisms with an undifferentiated body structure (thallus), such as algae, fungi, and lichens. In Whittaker's system, Fungi were placed in a separate kingdom, and Algae were distributed among Protista (unicellular eukaryotes) and Plantae (multicellular eukaryotes). - Option D lists Thallophyta, Bryophyta, Pteridophyta, Gymnosperms, and Angiosperms. Given the other options include members of Monera, Protista, and Fungi (separate kingdoms), option D is the most accurate representation of the groups typically included in Whittaker's Plantae. 'Thallophyta' in this context likely refers to the multicellular algae forms included in Plantae by Whittaker, such as some green algae (e.g., Spirogyra, Ulothrix) and brown\/red algae.\" \/>\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-kingdom-plantae-as-laid-down-by-r-whittaker-comprises-which-of-th\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"The kingdom Plantae as laid down by R. Whittaker comprises which of th\" \/>\n<meta property=\"og:description\" content=\"The kingdom Plantae as laid down by R. Whittaker comprises Thallophyta, Bryophyta, Pteridophyta, Gymnosperms and Angiosperms. - R.H. Whittaker proposed the five-kingdom classification system: Monera, Protista, Fungi, Plantae, and Animalia. - According to Whittaker's system, the kingdom Plantae includes multicellular eukaryotic organisms that are autotrophic (perform photosynthesis) and have cell walls primarily made of cellulose. - The major groups traditionally placed under Plantae in Whittaker's system are Algae (specifically multicellular forms), Bryophytes, Pteridophytes, Gymnosperms, and Angiosperms. - The term 'Thallophyta' is an older classification group (or a descriptive term) that included organisms with an undifferentiated body structure (thallus), such as algae, fungi, and lichens. In Whittaker's system, Fungi were placed in a separate kingdom, and Algae were distributed among Protista (unicellular eukaryotes) and Plantae (multicellular eukaryotes). - Option D lists Thallophyta, Bryophyta, Pteridophyta, Gymnosperms, and Angiosperms. Given the other options include members of Monera, Protista, and Fungi (separate kingdoms), option D is the most accurate representation of the groups typically included in Whittaker's Plantae. 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