{"id":3831,"date":"2023-01-09T10:29:55","date_gmt":"2023-01-09T10:29:55","guid":{"rendered":"https:\/\/8thclass.deltapublications.in\/?page_id=3831"},"modified":"2025-08-21T11:56:37","modified_gmt":"2025-08-21T11:56:37","slug":"s-2-d-harmful-microorganisms","status":"publish","type":"page","link":"https:\/\/8thclass.deltapublications.in\/index.php\/s-2-d-harmful-microorganisms\/","title":{"rendered":"s-2.d Harmful Microorganisms"},"content":{"rendered":"\n<h2 class=\"wp-block-heading has-text-align-center has-text-color\" style=\"color:#00056d;text-transform:uppercase\"><strong>Harmful Microorganisms<\/strong><\/h2>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:100%\">\n<div style=\"position: relative; width: 100%; height: 0; padding-top: 56.2500%;\n padding-bottom: 0; box-shadow: 0 2px 8px 0 rgba(63,69,81,0.16); margin-top: 1.6em; margin-bottom: 0.9em; overflow: hidden;\n border-radius: 8px; will-change: transform;\">\n  <iframe loading=\"lazy\" style=\"position: absolute; width: 100%; height: 100%; top: 0; left: 0; border: none; padding: 0;margin: 0;\"\n    src=\"https:\/\/www.canva.com\/design\/DAF3lnh8LU8\/a-xyta_IR2N1xyoGSp64vA\/watch?embed\" allowfullscreen=\"allowfullscreen\" allow=\"fullscreen\">\n  <\/iframe>\n<\/div>\n<a href=\"https:&#x2F;&#x2F;www.canva.com&#x2F;design&#x2F;DAF3lnh8LU8&#x2F;a-xyta_IR2N1xyoGSp64vA&#x2F;watch?utm_content=DAF3lnh8LU8&amp;utm_campaign=designshare&amp;utm_medium=embeds&amp;utm_source=link\" target=\"_blank\" rel=\"noopener\">harmful micro organisms<\/a> by Delta publications\n<\/div>\n<\/div>\n\n\n\n<p class=\"has-text-color has-link-color has-huge-font-size wp-elements-665588061999e61de138a3722b67a7db\" style=\"color:#74008b\"><strong>key notes<\/strong> :<\/p>\n\n\n\n<h3 class=\"wp-block-heading has-text-color has-link-color has-large-font-size wp-elements-2807d54219b43d9f7582ae263b8ad3bb\" style=\"color:#000060\"><strong>\ud83d\udd39 What Are Harmful Microorganisms?<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list has-large-font-size\">\n<li>Microorganisms that cause <strong>diseases<\/strong> in humans, animals, and plants or <strong>spoil food<\/strong> and materials are called <strong>harmful microorganisms<\/strong>.<\/li>\n\n\n\n<li>These are also known as <strong>pathogens<\/strong> (when they cause disease).<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity is-style-wide\"\/>\n\n\n\n<h3 class=\"wp-block-heading has-text-color has-link-color has-large-font-size wp-elements-8eb416b0c908e9a68fa2e5b1bc94f9bd\" style=\"color:#000060\"><strong>\ud83d\udd39 Types of Harmful Microorganisms<\/strong><\/h3>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"920\" height=\"520\" src=\"https:\/\/8thclass.deltapublications.in\/wp-content\/uploads\/2025\/07\/Bacteria-1-1.png\" alt=\"\" class=\"wp-image-20882\" srcset=\"https:\/\/8thclass.deltapublications.in\/wp-content\/uploads\/2025\/07\/Bacteria-1-1.png 920w, https:\/\/8thclass.deltapublications.in\/wp-content\/uploads\/2025\/07\/Bacteria-1-1-300x170.png 300w, https:\/\/8thclass.deltapublications.in\/wp-content\/uploads\/2025\/07\/Bacteria-1-1-768x434.png 768w\" sizes=\"auto, (max-width: 920px) 100vw, 920px\" \/><\/figure>\n\n\n\n<ol class=\"wp-block-list has-large-font-size\">\n<li><strong>Bacteria<\/strong>\n<ul class=\"wp-block-list\">\n<li>Cause diseases like <strong>cholera, typhoid, tuberculosis<\/strong>.<\/li>\n\n\n\n<li>Some bacteria also <strong>spoil food<\/strong>.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Viruses<\/strong>\n<ul class=\"wp-block-list\">\n<li>Cause diseases like <strong>common cold, influenza, COVID-19, AIDS<\/strong>.<\/li>\n\n\n\n<li>They can infect <strong>humans, animals, and plants<\/strong>.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Fungi<\/strong>\n<ul class=\"wp-block-list\">\n<li>Cause skin infections like <strong>athlete\u2019s foot<\/strong>.<\/li>\n\n\n\n<li>Spoil food like bread and fruits by growing molds.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Protozoa<\/strong>\n<ul class=\"wp-block-list\">\n<li>Cause diseases like <strong>malaria<\/strong> and <strong>amoebic dysentery<\/strong>.<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity is-style-wide\"\/>\n\n\n\n<h3 class=\"wp-block-heading has-text-color has-link-color has-large-font-size wp-elements-eec29bc331abccbc2a20eafa77180929\" style=\"color:#000060\"><strong>\ud83d\udd39 Diseases Caused by Harmful Microorganisms<\/strong><\/h3>\n\n\n\n<figure class=\"wp-block-table has-large-font-size\"><table class=\"has-fixed-layout\"><thead><tr><th>Disease<\/th><th>Type of Microorganism<\/th><th>Spreads Through<\/th><\/tr><\/thead><tbody><tr><td>Typhoid<\/td><td>Bacteria<\/td><td>Contaminated food\/water<\/td><\/tr><tr><td>Tuberculosis (TB)<\/td><td>Bacteria<\/td><td>Air (cough\/sneeze)<\/td><\/tr><tr><td>Malaria<\/td><td>Protozoa<\/td><td>Mosquito bite<\/td><\/tr><tr><td>Dengue<\/td><td>Virus<\/td><td>Mosquito bite<\/td><\/tr><tr><td>COVID-19<\/td><td>Virus<\/td><td>Air &amp; contact<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity is-style-wide\"\/>\n\n\n\n<h3 class=\"wp-block-heading has-text-color has-link-color has-large-font-size wp-elements-c21a86ef9e78b75095ec599ae8d64e6a\" style=\"color:#000060\"><strong>\ud83d\udd39 How Harmful Microorganisms Spread<\/strong><\/h3>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"920\" height=\"520\" src=\"https:\/\/8thclass.deltapublications.in\/wp-content\/uploads\/2025\/07\/Untitled-design-32.png\" alt=\"\" class=\"wp-image-20886\" srcset=\"https:\/\/8thclass.deltapublications.in\/wp-content\/uploads\/2025\/07\/Untitled-design-32.png 920w, https:\/\/8thclass.deltapublications.in\/wp-content\/uploads\/2025\/07\/Untitled-design-32-300x170.png 300w, https:\/\/8thclass.deltapublications.in\/wp-content\/uploads\/2025\/07\/Untitled-design-32-768x434.png 768w\" sizes=\"auto, (max-width: 920px) 100vw, 920px\" \/><\/figure>\n\n\n\n<ul class=\"wp-block-list has-large-font-size\">\n<li><strong>Contaminated food and water<\/strong><\/li>\n\n\n\n<li><strong>Air<\/strong> (sneezing, coughing)<\/li>\n\n\n\n<li><strong>Insects<\/strong> like mosquitoes (called <strong>vectors<\/strong>)<\/li>\n\n\n\n<li><strong>Direct contact<\/strong> with infected person<\/li>\n\n\n\n<li><strong>Touching infected surfaces<\/strong><\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity is-style-wide\"\/>\n\n\n\n<h3 class=\"wp-block-heading has-text-color has-link-color has-large-font-size wp-elements-af7e74c717ec84ffbd7eeffb18fa6ab4\" style=\"color:#000060\"><strong>\ud83d\udd39 Harm to Food and Materials<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list has-large-font-size\">\n<li><strong>Microorganisms spoil food<\/strong>, making it unsafe to eat.<\/li>\n\n\n\n<li>Cause <strong>decay<\/strong> in materials like wood and cloth.<\/li>\n\n\n\n<li>Lead to <strong>economic losses<\/strong> in agriculture and storage.<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity is-style-wide\"\/>\n\n\n\n<h3 class=\"wp-block-heading has-text-color has-link-color has-large-font-size wp-elements-e020702fd13ee70ddecd7b7da86bdb6c\" style=\"color:#000060\"><strong>\ud83d\udd39 Prevention and Control<\/strong><\/h3>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"920\" height=\"520\" src=\"https:\/\/8thclass.deltapublications.in\/wp-content\/uploads\/2025\/07\/Vaccination-2.png\" alt=\"\" class=\"wp-image-20891\" srcset=\"https:\/\/8thclass.deltapublications.in\/wp-content\/uploads\/2025\/07\/Vaccination-2.png 920w, https:\/\/8thclass.deltapublications.in\/wp-content\/uploads\/2025\/07\/Vaccination-2-300x170.png 300w, https:\/\/8thclass.deltapublications.in\/wp-content\/uploads\/2025\/07\/Vaccination-2-768x434.png 768w\" sizes=\"auto, (max-width: 920px) 100vw, 920px\" \/><\/figure>\n\n\n\n<ul class=\"wp-block-list has-large-font-size\">\n<li><strong>Vaccination<\/strong> (e.g., polio, measles)<\/li>\n\n\n\n<li>Maintain <strong>personal hygiene<\/strong><\/li>\n\n\n\n<li>Use <strong>clean drinking water<\/strong><\/li>\n\n\n\n<li><strong>Proper food storage<\/strong><\/li>\n\n\n\n<li><strong>Disinfectants<\/strong> to kill germs<\/li>\n\n\n\n<li><strong>Controlling vectors<\/strong> (e.g., using mosquito nets)<\/li>\n<\/ul>\n\n\n\n<p class=\"has-text-color has-large-font-size\" style=\"color:#d90000\"><strong>Let&#8217;s practice!<\/strong><\/p>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/wordwall.net\/play\/75879\/828\/308\"><img loading=\"lazy\" decoding=\"async\" width=\"500\" height=\"500\" src=\"https:\/\/8thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-2-49.png\" alt=\"\" class=\"wp-image-7577\" srcset=\"https:\/\/8thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-2-49.png 500w, https:\/\/8thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-2-49-300x300.png 300w, https:\/\/8thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-2-49-150x150.png 150w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><\/a><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/wordwall.net\/play\/75913\/841\/378\"><img loading=\"lazy\" decoding=\"async\" width=\"500\" height=\"500\" src=\"https:\/\/8thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-1-1-48.png\" alt=\"\" class=\"wp-image-7578\" srcset=\"https:\/\/8thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-1-1-48.png 500w, https:\/\/8thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-1-1-48-300x300.png 300w, https:\/\/8thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-1-1-48-150x150.png 150w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><\/a><\/figure>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Harmful Microorganisms harmful micro organisms by Delta publications key notes : \ud83d\udd39 What Are Harmful Microorganisms? \ud83d\udd39 Types of Harmful Microorganisms \ud83d\udd39 Diseases Caused by Harmful Microorganisms Disease Type of Microorganism Spreads Through Typhoid Bacteria Contaminated food\/water Tuberculosis (TB) Bacteria Air (cough\/sneeze) Malaria Protozoa Mosquito bite Dengue Virus Mosquito bite COVID-19 Virus Air &amp; contact<a class=\"more-link\" href=\"https:\/\/8thclass.deltapublications.in\/index.php\/s-2-d-harmful-microorganisms\/\">Continue reading <span class=\"screen-reader-text\">&#8220;s-2.d Harmful Microorganisms&#8221;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"om_disable_all_campaigns":false,"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"class_list":["post-3831","page","type-page","status-publish","hentry","entry"],"aioseo_notices":[],"_hostinger_reach_plugin_has_subscription_block":false,"_hostinger_reach_plugin_is_elementor":false,"_links":{"self":[{"href":"https:\/\/8thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/pages\/3831","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/8thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/8thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/8thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/8thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/comments?post=3831"}],"version-history":[{"count":32,"href":"https:\/\/8thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/pages\/3831\/revisions"}],"predecessor-version":[{"id":21300,"href":"https:\/\/8thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/pages\/3831\/revisions\/21300"}],"wp:attachment":[{"href":"https:\/\/8thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/media?parent=3831"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}