{"id":258,"date":"2023-06-11T20:34:00","date_gmt":"2023-06-11T15:04:00","guid":{"rendered":"https:\/\/lotusarise.com\/qna\/?p=258"},"modified":"2024-04-03T07:20:24","modified_gmt":"2024-04-03T01:50:24","slug":"q-which-of-the-following-are-nitrogen-fixing-plants","status":"publish","type":"post","link":"https:\/\/lotusarise.com\/qna\/upsc\/q-which-of-the-following-are-nitrogen-fixing-plants","title":{"rendered":"Q. Which of the following are nitrogen-fixing plants?"},"content":{"rendered":"\n<ol class=\"wp-block-list\">\n<li>Alfalfa<\/li>\n\n\n\n<li>Amaranth<\/li>\n\n\n\n<li>Chickpea<\/li>\n\n\n\n<li>Clover<\/li>\n\n\n\n<li>Purslane (Kulfa)<\/li>\n\n\n\n<li>Spinach<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">Select the correct answer using the code given below:<\/p>\n\n\n\n<ul class=\"mcq wp-block-list\">\n<li>1, 3 and 4 only<\/li>\n\n\n\n<li>1, 3, 5 and 6 only<\/li>\n\n\n\n<li>2, 4, 5 and 6 only<\/li>\n\n\n\n<li>1, 2, 4, 5 and 6<\/li>\n<\/ul>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\"><strong>Answer: (a) 1, 3 and 4 only<\/strong><a href=\"https:\/\/testbook.com\/upsc-cse-current-affairs-coaching?productFirst=1&amp;utm_source=QuestionBank&amp;utm_medium=QuestionBankRecommendation\" target=\"_blank\" rel=\"noreferrer noopener\"><\/a><\/p>\n<\/blockquote>\n\n\n\n<h2 class=\"wp-block-heading\">Notes:<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Nitrogen fixation is a process that implies the transformation of the relatively non-reactive atmospheric N2 into its more reactive compounds (nitrates, nitrites, or ammonia).<\/li>\n\n\n\n<li><strong>Nitrogen fixation<\/strong>&nbsp;is the&nbsp;<strong>essential biological process and the initial stage of the nitrogen cycle.<\/strong><\/li>\n\n\n\n<li>In this process,<strong>&nbsp;nitrogen in the atmosphere is converted into ammonia&nbsp;<\/strong>(another form of nitrogen) by certain bacterial species like&nbsp;<strong>Rhizobium, Azotobacter,&nbsp;<\/strong>etc., and by other natural phenomena.<\/li>\n\n\n\n<li>Nitrogen-fixing plants are t<strong>hose that have roots colonized by specific kinds of bacteria<\/strong>&nbsp;with the ability to&nbsp;<strong>extract nitrogen from the air and convert it to a usable form of nitrogen<\/strong>&nbsp;that can be used to help them grow.<\/li>\n\n\n\n<li>Nitrogen-fixing plants<strong>&nbsp;contribute an essential plant nutrient<\/strong>&nbsp;that\u2019s necessary for healthy fruit and foliage production.<\/li>\n\n\n\n<li><strong>Alfalfa<\/strong>&nbsp;should also be dubbed the&nbsp;<strong>\u201cKing of Nitrogen Fixation\u201d<\/strong>&nbsp;because it makes<strong>&nbsp;more residual nitrogen available&nbsp;<\/strong>to subsequent crops than any other legume you can grow.<\/li>\n\n\n\n<li><strong>Chickpea<\/strong>&nbsp;plays a significant role in improving soil fertility by<strong>&nbsp;fixing atmospheric nitrogen.<\/strong><\/li>\n\n\n\n<li><strong>Red Clover<\/strong>&nbsp;( Trifolium Pratense) is a<strong>&nbsp;nitrogen-fixing perennial plant&nbsp;<\/strong>that produces showy red, purple, or pink flowers in late spring or summer.<\/li>\n\n\n\n<li><strong>Amaranth species&nbsp;<\/strong>are cultivated as leaf vegetables, pseudocereals, and ornamental plants. Most of the Amaranthus species are&nbsp;<strong>summer annual weeds and are commonly referred to as pigweeds.<\/strong><\/li>\n\n\n\n<li><strong>Purslane&nbsp;<\/strong>is an&nbsp;<strong>annual succulent<\/strong>&nbsp;that has been considered both a&nbsp;<strong>useless weed and a powerful medicinal plan<\/strong>t at different times throughout history.<\/li>\n\n\n\n<li><strong>Spinach,<\/strong>&nbsp;also known as Spinacia oleracea, is a member of the&nbsp;<strong>Amaranthaceae family.<\/strong>&nbsp;<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Nitrogen-fixing cover crops bring multiple benefits to farmers:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>participate in N fixation;<\/li>\n\n\n\n<li>protect soil from erosion by covering it or holding in place with strong root systems;<\/li>\n\n\n\n<li>improve&nbsp;soil fertility&nbsp;when used as green manure;<\/li>\n\n\n\n<li>retain&nbsp;soil moisture;<\/li>\n\n\n\n<li>help in&nbsp;weed management&nbsp;with crop residues;<\/li>\n\n\n\n<li>serve as forage and grazing material for poultry and cattle;<\/li>\n\n\n\n<li>attract pollinators at the crop flowering time.<\/li>\n<\/ul>\n\n\n<style>.wp-block-kadence-spacer.kt-block-spacer-_7ea6fa-d6 .kt-block-spacer{height:40px;}.wp-block-kadence-spacer.kt-block-spacer-_7ea6fa-d6 .kt-divider{border-top-width:2px;border-top-color:#eee;width:100%;border-top-style:solid;}<\/style>\n<div class=\"wp-block-kadence-spacer aligncenter kt-block-spacer-_7ea6fa-d6\"><div class=\"kt-block-spacer kt-block-spacer-halign-center\"><hr class=\"kt-divider\"\/><\/div><\/div>\n","protected":false},"excerpt":{"rendered":"<p>Select the correct answer using the code given below: Answer: (a) 1, 3 and 4 only Notes: Nitrogen-fixing cover crops bring multiple benefits to farmers:<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_kad_blocks_custom_css":"","_kad_blocks_head_custom_js":"","_kad_blocks_body_custom_js":"","_kad_blocks_footer_custom_js":"","_kad_post_transparent":"","_kad_post_title":"","_kad_post_layout":"","_kad_post_sidebar_id":"","_kad_post_content_style":"","_kad_post_vertical_padding":"","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false,"_kad_post_classname":"","footnotes":""},"categories":[1,3],"tags":[36],"years":[51],"class_list":["post-258","post","type-post","status-publish","format-standard","hentry","category-upsc","category-prelims","tag-environment","years-51"],"acf":[],"taxonomy_info":{"category":[{"value":1,"label":"UPSC"},{"value":3,"label":"Prelims"}],"post_tag":[{"value":36,"label":"Environment"}],"years":[{"value":51,"label":"2022"}]},"featured_image_src_large":false,"author_info":{"display_name":"LotusArise","author_link":"https:\/\/lotusarise.com\/qna\/author\/team-lotusarise"},"comment_info":0,"category_info":[{"term_id":1,"name":"UPSC","slug":"upsc","term_group":0,"term_taxonomy_id":1,"taxonomy":"category","description":"","parent":0,"count":1269,"filter":"raw","cat_ID":1,"category_count":1269,"category_description":"","cat_name":"UPSC","category_nicename":"upsc","category_parent":0},{"term_id":3,"name":"Prelims","slug":"prelims","term_group":0,"term_taxonomy_id":3,"taxonomy":"category","description":"","parent":1,"count":1251,"filter":"raw","cat_ID":3,"category_count":1251,"category_description":"","cat_name":"Prelims","category_nicename":"prelims","category_parent":1}],"tag_info":[{"term_id":36,"name":"Environment","slug":"environment","term_group":0,"term_taxonomy_id":36,"taxonomy":"post_tag","description":"","parent":0,"count":193,"filter":"raw"}],"_links":{"self":[{"href":"https:\/\/lotusarise.com\/qna\/wp-json\/wp\/v2\/posts\/258","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/lotusarise.com\/qna\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/lotusarise.com\/qna\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/lotusarise.com\/qna\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/lotusarise.com\/qna\/wp-json\/wp\/v2\/comments?post=258"}],"version-history":[{"count":1,"href":"https:\/\/lotusarise.com\/qna\/wp-json\/wp\/v2\/posts\/258\/revisions"}],"predecessor-version":[{"id":435,"href":"https:\/\/lotusarise.com\/qna\/wp-json\/wp\/v2\/posts\/258\/revisions\/435"}],"wp:attachment":[{"href":"https:\/\/lotusarise.com\/qna\/wp-json\/wp\/v2\/media?parent=258"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lotusarise.com\/qna\/wp-json\/wp\/v2\/categories?post=258"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lotusarise.com\/qna\/wp-json\/wp\/v2\/tags?post=258"},{"taxonomy":"years","embeddable":true,"href":"https:\/\/lotusarise.com\/qna\/wp-json\/wp\/v2\/years?post=258"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}