{"id":5450,"date":"2025-12-26T17:11:12","date_gmt":"2025-12-26T17:11:12","guid":{"rendered":"https:\/\/mehnatt.com\/?p=5450"},"modified":"2025-12-26T17:11:12","modified_gmt":"2025-12-26T17:11:12","slug":"mcqs-based-on-environment-35","status":"publish","type":"post","link":"https:\/\/mehnatt.com\/?p=5450","title":{"rendered":"MCQs Based On Environment &#8211; (35)"},"content":{"rendered":"\n<h3 class=\"wp-block-heading\">Q1. Which type of radiation is most likely to cause genetic mutations and long-term effects like cancer?<\/h3>\n\n\n\n<ol class=\"wp-block-list\">\n<li style=\"font-size:17px\">Non-ionising radiation<\/li>\n\n\n\n<li style=\"font-size:17px\">Infrared radiation<\/li>\n\n\n\n<li style=\"font-size:17px\">Ionising radiation<\/li>\n\n\n\n<li style=\"font-size:17px\">Microwave radiation<\/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. Ionising radiation <br\/>\n<strong>Explanation:<\/strong> Ionising radiation (such as X-rays, gamma rays, and cosmic rays) has high penetration power and can break molecular bonds in DNA, leading to genetic mutations, cancer, and other long-term effects. Non-ionising radiation (like infrared or microwave) has much lower energy and does not cause such damage.\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. Leaching in landfills refers to:<\/h3>\n\n\n\n<ol class=\"wp-block-list\">\n<li>Soil erosion by wind<\/li>\n\n\n\n<li>Mixing of soil with radioactive material<\/li>\n\n\n\n<li>Contamination of groundwater due to seepage from landfills<\/li>\n\n\n\n<li>Evaporation of waste water<\/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. Contamination of groundwater due to seepage from landfills <br\/>\n<strong>Explanation:<\/strong> Rainwater passing through waste carries toxins that contaminate soil and water\u2014this process is called leaching.\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 waste types is considered hazardous?<\/h3>\n\n\n\n<ol class=\"wp-block-list\">\n<li style=\"font-size:17px\">Fruit peels<\/li>\n\n\n\n<li style=\"font-size:17px\">Kitchen waste<\/li>\n\n\n\n<li style=\"font-size:17px\">Discarded plastic bottles<\/li>\n\n\n\n<li style=\"font-size:17px\">Waste from pesticide industries<\/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> 4. Waste from pesticide industries <br\/>\n<strong>Explanation:<\/strong> Hazardous waste is toxic, corrosive, or explosive. Waste from pesticide industries fits this category.\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. What is vermiculture in solid waste management?<\/h3>\n\n\n\n<ol class=\"wp-block-list\">\n<li style=\"font-size:17px\">Burning garbage in open dumps<\/li>\n\n\n\n<li style=\"font-size:17px\">Using acid to digest waste<\/li>\n\n\n\n<li style=\"font-size:17px\">Using worms to decompose organic waste<\/li>\n\n\n\n<li style=\"font-size:17px\">Using heat to convert waste to ash<\/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. Using worms to decompose organic waste <br\/>\n<strong>Explanation:<\/strong> Vermiculture uses earthworms to turn biodegradable waste into compost rich in nutrients.\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. Which radioactive particle can be stopped simply by human skin or a sheet of paper?<\/h3>\n\n\n\n<ol class=\"wp-block-list\">\n<li style=\"font-size:17px\">Beta particles<\/li>\n\n\n\n<li style=\"font-size:17px\">Gamma rays<\/li>\n\n\n\n<li style=\"font-size:17px\">X-rays<\/li>\n\n\n\n<li style=\"font-size:17px\">Alpha particles<\/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> 4. Alpha particles <br\/>\n<strong>Explanation:<\/strong> Alpha particles are heavy and carry a double positive charge, but they have very low penetration power. They can be stopped by a sheet of paper or the outer layer of human skin, making them relatively safe unless inhaled or ingested.\nIn contrast, beta particles can penetrate skin, and gamma rays and X-rays are much more penetrating and dangerous.\n\n<\/div>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Q1. Which type of radiation is most likely to cause genetic mutations and long-term effects like cancer? View Answer Correct Option: 3. Ionising radiation Explanation: Ionising radiation (such as X-rays, gamma rays, and cosmic rays) has high penetration power and can break molecular bonds in DNA, leading to genetic mutations, cancer, and other long-term effects. 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