{"id":815,"date":"2023-06-15T12:44:43","date_gmt":"2023-06-15T07:14:43","guid":{"rendered":"https:\/\/lotusarise.com\/qna\/?p=815"},"modified":"2024-04-03T07:21:56","modified_gmt":"2024-04-03T01:51:56","slug":"q-consider-the-following-statements-21","status":"publish","type":"post","link":"https:\/\/lotusarise.com\/qna\/upsc\/q-consider-the-following-statements-21","title":{"rendered":"Q. Consider the following statements :"},"content":{"rendered":"\n<ol class=\"wp-block-list\">\n<li>Some microorganisms can grow in environments with temperature above the boiling point of water.<\/li>\n\n\n\n<li>Some microorganisms can grow in environments with temperature below the freezing point of water.<\/li>\n\n\n\n<li>Some microorganisms can grow in highly acidic environment with a pH below 3.<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">How many of the above statements are correct?<\/p>\n\n\n\n<ul class=\"mcq wp-block-list\">\n<li>Only one<\/li>\n\n\n\n<li>Only two<\/li>\n\n\n\n<li>All three<\/li>\n\n\n\n<li>None<\/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) All three<\/strong><\/p>\n<\/blockquote>\n\n\n\n<h5 class=\"wp-block-heading\">Notes:<\/h5>\n\n\n\n<ul class=\"wp-block-list\">\n<li>A thermophile is an organism, a type of extremophile, that thrives at relatively high temperatures, between 41 and 122 \u00b0C.&nbsp; Most thermophiles live at temperatures between 60 and 80 \u00b0 C. Thermophiles are capable of growing, carrying out metabolic processes, and reproducing at these extreme temperatures.&nbsp;<strong>One thermophile, Pyrolobus fumarii, has been found at temperatures of 113\u00b0 C \/235\u00b0 F, which is hotter than the boiling point of water.<\/strong><\/li>\n\n\n\n<li><strong>Psychrophiles are organisms capable of growth and reproduction in cold temperatures and are often xerophilic and halophilic as well.&nbsp;<\/strong>&nbsp;Some microbes will cease growing at 0<sup>0<\/sup>C or even higher while others continue to grow below the freezing point of food.&nbsp;&nbsp;&nbsp;Growth rate below 0<sup>0<\/sup>C is very slow.&nbsp;<strong>The reported minimum growth of microorganism varying from 10<\/strong><strong><sup><strong>0<\/strong><\/sup><\/strong><strong>C to \u2013 10<\/strong><strong><sup><strong>0<\/strong><\/sup><\/strong><strong>C.&nbsp;&nbsp;But for practical cases, the lower limit of growth for bacteria, yeast or moulds can take as -7<\/strong><strong><sup><strong>0<\/strong><\/sup><\/strong><strong>C.<\/strong><\/li>\n\n\n\n<li>Acidophiles are microorganisms that show optimal growth in highly acidic environments. These are of two types.&nbsp;<strong>The&nbsp;extreme acidophiles&nbsp;dwell in environments with a pH value &lt;3,<\/strong>&nbsp;and moderate acidophiles grow optimally in conditions having pH values ranging between 3 and 5.<\/li>\n<\/ul>\n\n\n<style>.wp-block-kadence-spacer.kt-block-spacer-_3ee175-88 .kt-block-spacer{height:40px;}.wp-block-kadence-spacer.kt-block-spacer-_3ee175-88 .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-_3ee175-88\"><div class=\"kt-block-spacer kt-block-spacer-halign-center\"><hr class=\"kt-divider\"\/><\/div><\/div>\n","protected":false},"excerpt":{"rendered":"<p>How many of the above statements are correct? Answer: (c) All three Notes:<\/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":[50],"class_list":["post-815","post","type-post","status-publish","format-standard","hentry","category-upsc","category-prelims","tag-environment","years-50"],"acf":[],"taxonomy_info":{"category":[{"value":1,"label":"UPSC"},{"value":3,"label":"Prelims"}],"post_tag":[{"value":36,"label":"Environment"}],"years":[{"value":50,"label":"2023"}]},"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\/815","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=815"}],"version-history":[{"count":1,"href":"https:\/\/lotusarise.com\/qna\/wp-json\/wp\/v2\/posts\/815\/revisions"}],"predecessor-version":[{"id":826,"href":"https:\/\/lotusarise.com\/qna\/wp-json\/wp\/v2\/posts\/815\/revisions\/826"}],"wp:attachment":[{"href":"https:\/\/lotusarise.com\/qna\/wp-json\/wp\/v2\/media?parent=815"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lotusarise.com\/qna\/wp-json\/wp\/v2\/categories?post=815"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lotusarise.com\/qna\/wp-json\/wp\/v2\/tags?post=815"},{"taxonomy":"years","embeddable":true,"href":"https:\/\/lotusarise.com\/qna\/wp-json\/wp\/v2\/years?post=815"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}