{"id":2847,"date":"2023-02-21T06:27:32","date_gmt":"2023-02-21T00:57:32","guid":{"rendered":"https:\/\/vajiramandravi.com\/current-affairs\/?p=2847"},"modified":"2025-03-26T08:42:49","modified_gmt":"2025-03-26T03:12:49","slug":"prymnesium-parvum","status":"publish","type":"post","link":"https:\/\/vajiramandravi.com\/current-affairs\/prymnesium-parvum\/","title":{"rendered":"Prymnesium Parvum"},"content":{"rendered":"<h2>About Prymnesium Parvum:<\/h2>\n<ul>\n<li>It is a microscopic, <strong>single-celled alga<\/strong> with four morphologically distinct forms.<\/li>\n<li>Three of the forms are scaled, bi-flagellated, and have a flexible, non-coiling, needle-like filament called a haptonema and the fourth form is a scaled, non-motile, siliceous cyst.\u00a0<\/li>\n<li>It inhabits a variety of water bodies including rivers, lakes, estuaries, fjords, coastal oceans, and ponds, including eutrophic, <strong>alkaline, and brackish waters.<\/strong><\/li>\n<li>It can reproduce rapidly and form a nearly monocultural bloom by <strong>releasing toxins <\/strong>into the water that immobilize or kill zooplankton and other phytoplankton to increase available food sources.<\/li>\n<li>It can survive in a range of <strong>water temperatures, from 5\u00b0C to 35\u00b0C,<\/strong> with blooms increasing between 10\u00b0C to 27\u00b0C.<\/li>\n<li>It is <strong>mixotrophic,<\/strong> supporting its growth with autotrophy (photosynthesis) or heterotrophy if nutrients are scarce.<\/li>\n<\/ul>\n<h3>Key facts about River Oder<\/h3>\n<ul>\n<li>It originates in the Czech Republic and flows through western Poland.<\/li>\n<li>It constitutes the <strong>boundary between Poland and Germany<\/strong> before reaching the <strong>Baltic Sea<\/strong> via a lagoon north of the Polish city of Szczecin.\u00a0<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<hr \/>\n<h3>\u00a0Q1) What is an Algae?<\/h3>\n<p>Algae are defined as a group of predominantly aquatic, photosynthetic, and nucleus-bearing organisms that lack the true roots, stems, leaves, and specialized multicellular reproductive structures of plants.<\/p>\n<p><strong>Source:<\/strong>\u00a0<a href=\"https:\/\/www.downtoearth.org.in\/news\/wildlife-biodiversity\/oder-river-ecological-disaster-that-killed-hundreds-of-tonnes-of-fish-in-2022-was-human-made-report-87806\" target=\"_blank\" rel=\"nofollow noopener\"><u>Oder river ecological disaster that killed hundreds of tonnes of fish in 2022 was human-made: Report<\/u><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Prymnesium Parvum is a microscopic, single-celled alga with four morphologically distinct forms.<\/p>\n","protected":false},"author":5,"featured_media":2848,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1],"tags":[],"class_list":{"0":"post-2847","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-upsc-prelims-current-affairs","8":"no-featured-image-padding"},"acf":[],"_links":{"self":[{"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/posts\/2847","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/comments?post=2847"}],"version-history":[{"count":0,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/posts\/2847\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/media\/2848"}],"wp:attachment":[{"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/media?parent=2847"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/categories?post=2847"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/tags?post=2847"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}