{"id":5764,"date":"2025-12-27T13:59:47","date_gmt":"2025-12-27T13:59:47","guid":{"rendered":"https:\/\/mehnatt.com\/?p=5764"},"modified":"2025-12-27T13:59:47","modified_gmt":"2025-12-27T13:59:47","slug":"mcqs-based-on-environment-55","status":"publish","type":"post","link":"https:\/\/mehnatt.com\/?p=5764","title":{"rendered":"MCQs Based On Environment &#8211; (55)"},"content":{"rendered":"\n<h3 class=\"wp-block-heading\">Q1. Which of the following animals is an invertebrate?<\/h3>\n\n\n\n<ol class=\"wp-block-list\">\n<li style=\"font-size:17px\">Frog<\/li>\n\n\n\n<li style=\"font-size:17px\">Lizard<\/li>\n\n\n\n<li style=\"font-size:17px\">Octopus<\/li>\n\n\n\n<li style=\"font-size:17px\">Pigeon<\/li>\n<\/ol>\n\n\n\n<button class=\"acc\">View Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"padding-top:5px;color:#27302a;font-size:1.2rem;\"><b>Correct Option:<\/b> 3. Octopus <br\/>\n<strong>Explanation:<\/strong> <br\/> &bull; Octopus belongs to the mollusk phylum and is an invertebrate, meaning it has no backbone.<br\/>\n\n&bull; It is a soft-bodied marine animal with eight limbs and a highly developed nervous system.<br\/>\n\n&bull; The other animals listed (frog, lizard, pigeon) are vertebrates with internal skeletons.<br\/>\n\n&bull; Over 98% of animal species on Earth are invertebrates.\n\n<\/div>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">Q2. Which group of animals has an exoskeleton and jointed legs?<\/h3>\n\n\n\n<ol class=\"wp-block-list\">\n<li style=\"font-size:17px\">Arthropods<\/li>\n\n\n\n<li style=\"font-size:17px\">Mollusks<\/li>\n\n\n\n<li style=\"font-size:17px\">Protozoa<\/li>\n\n\n\n<li style=\"font-size:17px\">Amphibians<\/li>\n<\/ol>\n\n\n\n<button class=\"acc\">View Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"padding-top:5px;color:#27302a;font-size:1.2rem;\"><b>Correct Option:<\/b> 1. Arthropods <br\/>\n<strong>Explanation:<\/strong> <br\/> &bull; Arthropods are the largest group of invertebrates, including insects, arachnids (spiders), and crustaceans (crabs, lobsters).<br\/>\n\n&bull; They have an exoskeleton (hard outer covering), segmented bodies, and jointed appendages that allow flexibility and movement.<br\/>\n\n&bull; Unlike mollusks, which may or may not have shells, arthropods are completely encased in a protective exoskeleton that must be molted for growth.\n\n<\/div>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">Q3. Which of the following is an example of a marine echinoderm?<\/h3>\n\n\n\n<ol class=\"wp-block-list\">\n<li style=\"font-size:17px\">Starfish<\/li>\n\n\n\n<li style=\"font-size:17px\">Earthworm<\/li>\n\n\n\n<li style=\"font-size:17px\">Snail<\/li>\n\n\n\n<li style=\"font-size:17px\">Amoeba<\/li>\n<\/ol>\n\n\n\n<button class=\"acc\">View Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"padding-top:5px;color:#27302a;font-size:1.2rem;\"><b>Correct Option:<\/b> 1. Starfish<br\/>\n<strong>Explanation:<\/strong> <br\/> &bull; Echinoderms are marine animals with radial symmetry, a water vascular system, and tube feet for movement.<br\/>\n\n&bull; Starfish, also known as sea stars, are the most well-known echinoderms.<br\/>\n\n&bull; They have the ability to regenerate lost arms and are important members of ocean ecosystems.<br\/>\n\n&bull; Earthworms are annelids, snails are mollusks, and amoeba are protozoans.\n\n<\/div>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">Q4. Which of the following is a cold-blooded vertebrate that lays eggs and has scales?<\/h3>\n\n\n\n<ol class=\"wp-block-list\">\n<li>Snake<\/li>\n\n\n\n<li>Frog<\/li>\n\n\n\n<li>Dolphin<\/li>\n\n\n\n<li>Sparrow<\/li>\n<\/ol>\n\n\n\n<button class=\"acc\">View Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"padding-top:5px;color:#27302a;font-size:1.2rem;\"><b>Correct Option:<\/b> 1. Snake <br\/>\n<strong>Explanation:<\/strong> <br\/> -Snakes are reptiles, and reptiles are:\n\n&bull; Cold-blooded (ectothermic)<br\/>\n\n&bull; Covered with scales<br\/>\n\n&bull; Mostly egg-laying (oviparous)<br\/>\n\n&bull; Have ear holes instead of external ears<br\/>\n\n-Frogs are amphibians, dolphins are mammals, and sparrows are birds\u2014all of which have very different characteristics.\n\n<\/div>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">Q5. What is the percentage of land covered by the Western Ghats biogeographic zone in India?<\/h3>\n\n\n\n<ol class=\"wp-block-list\">\n<li style=\"font-size:17px\">2.3%<\/li>\n\n\n\n<li style=\"font-size:17px\">4.2%<\/li>\n\n\n\n<li style=\"font-size:17px\">5.8%<\/li>\n\n\n\n<li style=\"font-size:17px\">7.6%<\/li>\n<\/ol>\n\n\n\n<button class=\"acc\">View Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"padding-top:5px;color:#27302a;font-size:1.2rem;\"><b>Correct Option:<\/b> 3. 5.8% <br\/>\n<strong>Explanation:<\/strong> <br\/> &bull; The Western Ghats cover 5.8% of India\u2019s land area and run parallel to the western coast.<br\/>\n\n&bull; They are one of the eight \u201chottest hotspots\u201d of biodiversity in the world, known for high endemism\u2014many plant and animal species here are found nowhere else on Earth.<br\/>\n\n&bull; They also play a vital role in monsoon regulation and water conservation in peninsular India.\n\n<\/div>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n","protected":false},"excerpt":{"rendered":"<p>Q1. Which of the following animals is an invertebrate? View Answer Correct Option: 3. Octopus Explanation: &bull; Octopus belongs to the mollusk phylum and is an invertebrate, meaning it has no backbone. &bull; It is a soft-bodied marine animal with eight limbs and a highly developed nervous system. &bull; The other animals listed (frog, lizard, [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[19],"tags":[222,1141,21,30,1138,1136,1139,1140,31,221,20,1142],"class_list":["post-5764","post","type-post","status-publish","format-standard","hentry","category-environment","tag-bank-exams","tag-cold-blooded-vertebrate","tag-competitive-exams","tag-environment","tag-exoskeleton","tag-invertebrate","tag-jointed-legs","tag-marine-echinoderm","tag-mcq","tag-rrb-exams","tag-ssc-cgl","tag-western-ghats-biogeographic-zone"],"_links":{"self":[{"href":"https:\/\/mehnatt.com\/index.php?rest_route=\/wp\/v2\/posts\/5764","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/mehnatt.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/mehnatt.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/mehnatt.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/mehnatt.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=5764"}],"version-history":[{"count":3,"href":"https:\/\/mehnatt.com\/index.php?rest_route=\/wp\/v2\/posts\/5764\/revisions"}],"predecessor-version":[{"id":5767,"href":"https:\/\/mehnatt.com\/index.php?rest_route=\/wp\/v2\/posts\/5764\/revisions\/5767"}],"wp:attachment":[{"href":"https:\/\/mehnatt.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=5764"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/mehnatt.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=5764"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/mehnatt.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=5764"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}