{"id":288,"date":"2023-06-11T21:22:55","date_gmt":"2023-06-11T15:52:55","guid":{"rendered":"https:\/\/lotusarise.com\/qna\/?p=288"},"modified":"2024-04-03T07:18:51","modified_gmt":"2024-04-03T01:48:51","slug":"q-which-one-of-the-following-is-used-in-preparing-a-natural-mosquito-repellent","status":"publish","type":"post","link":"https:\/\/lotusarise.com\/qna\/upsc\/q-which-one-of-the-following-is-used-in-preparing-a-natural-mosquito-repellent","title":{"rendered":"Q.\u00a0 Which one of the following is used in preparing a natural mosquito repellent?"},"content":{"rendered":"\n<ul class=\"mcq wp-block-list\">\n<li>Congress grass\u00a0<\/li>\n\n\n\n<li>Elephant grass<\/li>\n\n\n\n<li>Lemongrass<\/li>\n\n\n\n<li>Nut grass<\/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: (c) Lemongrass<\/strong><\/p>\n<\/blockquote>\n\n\n\n<h5 class=\"wp-block-heading\">Congress grass<\/h5>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Parthenium hysterophorus<\/strong>: In India, it is&nbsp;<strong>locally known as carrot grass, congress grass or Gajar Ghas or Dhanura<\/strong>. It is a common&nbsp;<strong>invasive species in India,<\/strong>&nbsp;Australia, and parts of Africa.<\/li>\n\n\n\n<li>Parthenium hysterophorus invades disturbed land, including roadsides.&nbsp;<strong>It infests pastures and farmland, causing often disastrous loss of yield, as reflected in common names such as famine weed.<\/strong><\/li>\n\n\n\n<li>The plant produces allelopathic chemicals that&nbsp;<strong>suppress crop and pasture plants, and allergens that affect humans and livestock. It also frequently causes pollen allergies.<\/strong><\/li>\n\n\n\n<li>Contact with the plant causes&nbsp;<strong>dermatitis and respiratory malfunction in humans, and dermatitis in cattle and domestic animals.<\/strong><\/li>\n<\/ul>\n\n\n\n<h5 class=\"wp-block-heading\">Elephant grass<\/h5>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Cenchrus purpureus, also known as Napier grass, elephant grass or Uganda grass, is a species of<strong>&nbsp;perennial tropical grass native to the African grasslands<\/strong>.<\/li>\n\n\n\n<li>It has&nbsp;<strong>low water and nutrient requirements,<\/strong>&nbsp;and therefore can make use of otherwise uncultivated lands.<\/li>\n\n\n\n<li>This wild species has been&nbsp;<strong>used primarily for grazing<\/strong>, recently, however, it has been used as part of a push\u2013pull agricultural pest management strategy.<\/li>\n\n\n\n<li>Napier grasses&nbsp;<strong>improve soil fertility, and protect arid land from soil erosion<\/strong>.<\/li>\n\n\n\n<li>It is&nbsp;<strong>also utilized for firebreaks, windbreaks<\/strong>, in paper pulp production and most recently to produce bio-oil, biogas and charcoal.<\/li>\n<\/ul>\n\n\n\n<h5 class=\"wp-block-heading\">Lemongrass<\/h5>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Cymbopogon also known as&nbsp;<strong>lemongrass<\/strong>, barbed wire grass, silky heads, Cochin grass, Malabar grass, oily heads, citronella grass or fever grass, is a genus of Asian, African, Australian, and tropical island plants in the&nbsp;<strong>grass family<\/strong>.<\/li>\n\n\n\n<li>These species are&nbsp;<strong>used for the production of citronella oil, which is used in soaps, as an insect repellent (especially mosquitoes and houseflies) in insect sprays and candles, and aromatherapy<\/strong>.<\/li>\n\n\n\n<li>The principal chemical constituents of&nbsp;<strong>citronella, geraniol and citronellol, are antiseptics, hence their use in household disinfectants and soaps<\/strong>.\n<ul class=\"wp-block-list\">\n<li>Besides oil production,&nbsp;<strong>citronella grass is also used for culinary purposes as a flavoring.<\/strong><\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>In India, It is used as a&nbsp;<strong>medical herb and in perfumes.<\/strong>&nbsp;It is&nbsp;<strong>consumed as a tea for anxiety<\/strong>&nbsp;in Brazilian folk medicine.<\/li>\n<\/ul>\n\n\n\n<h5 class=\"wp-block-heading\">Nut grass<\/h5>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Nutgrass is considered one of the&nbsp;<strong>world\u2019s worse weeds.<\/strong><\/li>\n\n\n\n<li>Nutgrass&nbsp;is a&nbsp;<strong>weed of major economic important infesting many crops<\/strong>, and also an environmental weed through its ability to invade native vegetation.<\/li>\n<\/ul>\n\n\n<style>.wp-block-kadence-spacer.kt-block-spacer-_090a43-c7 .kt-block-spacer{height:40px;}.wp-block-kadence-spacer.kt-block-spacer-_090a43-c7 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grass<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"","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":[52],"class_list":["post-288","post","type-post","status-publish","format-standard","hentry","category-upsc","category-prelims","tag-environment","years-52"],"acf":[],"taxonomy_info":{"category":[{"value":1,"label":"UPSC"},{"value":3,"label":"Prelims"}],"post_tag":[{"value":36,"label":"Environment"}],"years":[{"value":52,"label":"2021"}]},"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\/288","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=288"}],"version-history":[{"count":1,"href":"https:\/\/lotusarise.com\/qna\/wp-json\/wp\/v2\/posts\/288\/revisions"}],"predecessor-version":[{"id":423,"href":"https:\/\/lotusarise.com\/qna\/wp-json\/wp\/v2\/posts\/288\/revisions\/423"}],"wp:attachment":[{"href":"https:\/\/lotusarise.com\/qna\/wp-json\/wp\/v2\/media?parent=288"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lotusarise.com\/qna\/wp-json\/wp\/v2\/categories?post=288"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lotusarise.com\/qna\/wp-json\/wp\/v2\/tags?post=288"},{"taxonomy":"years","embeddable":true,"href":"https:\/\/lotusarise.com\/qna\/wp-json\/wp\/v2\/years?post=288"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}