{"id":859343,"date":"2025-05-16T15:48:03","date_gmt":"2025-05-16T10:18:03","guid":{"rendered":"https:\/\/leverageedu.com\/discover\/?p=859343"},"modified":"2025-05-16T15:48:03","modified_gmt":"2025-05-16T10:18:03","slug":"ncert-solutions-class-11-geography-chapter-2-the-origin-and-the-evolution-of-the-earth","status":"publish","type":"post","link":"https:\/\/leverageedu.com\/discover\/school-education\/ncert-solutions-class-11-geography-chapter-2-the-origin-and-the-evolution-of-the-earth\/","title":{"rendered":"NCERT Solutions Class 11 Geography Chapter 2 The Origin and the Evolution of the Earth (Free PDF)"},"content":{"rendered":"\n

Looking for NCERT Class 11 Geography Chapter 2 The Origin and the Evolution of the Earth Solutions? This blog provides easy and well-explained answers to the exercise questions from Chapter 2: The Origin and the Evolution of the Earth, part of the Geography textbook. These easy explanations will help you prepare better for your exams. Whether you\u2019re studying for a test or want to understand the chapter for class discussions, this guide will make everything easier to learn. You can also download a free PDF of the solutions to revise anytime you want.<\/p>\n\n\n\n\n\n\n

Explore Notes of Class 11 Fundamentals of Geography<\/strong><\/p>\n\n\n\n

Chapter 1<\/strong><\/a><\/td>Chapter 3<\/strong><\/td>Chapter 4<\/strong><\/td>Chapter 5<\/strong><\/td>Chapter 6<\/strong><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

NCERT Solutions Class 11 Geography Chapter 2 The Origin and the Evolution of the Earth<\/h2>\n\n\n\n

These NCERT solutions for Class 11 Geography Chapter 2, The Origin and the Evolution of the Earth, will help you prepare effectively for your exams. By studying the explanations thoroughly and regularly revising the key concepts, you can score well.<\/p>\n\n\n\n

1. Multiple Choice Questions<\/h3>\n\n\n\n

(i) Which one of the following figures represents the age of the Earth?
(a) 4.6 million years
(b) 13.7 billion years
(c) 4.6 billion years
(d) 13.7 trillion years<\/p>\n\n\n\n

(ii) Which one of the following is not related to the formation or modification of the present atmosphere?
(a) Solar winds
(b) Differentiation
(c) Degassing
(d) Photosynthesis<\/p>\n\n\n\n

(iii) Life on the Earth appeared around how many years before the present?
(a) 13.7 billion
(b) 3.8 million
(c) 4.6 billion
(d) 3.8 billion<\/p>\n\n\n\n

Solutions:\u00a0<\/strong><\/p>\n\n\n\n

(i) <\/strong>(c) 4.6 billion years
(ii) <\/strong>(b) Differentiation
<\/strong>(iii)<\/strong> (d) 3.8 billion<\/p>\n\n\n\n

2. Answer the following questions in about 30 words<\/h3>\n\n\n\n

(i)<\/strong> What is meant by the process of differentiation?
(ii)<\/strong> What was the nature of the Earth\u2019s surface initially?
(iii)<\/strong> What were the gases which initially formed the Earth\u2019s atmosphere?<\/p>\n\n\n\n

Solutions:\u00a0<\/strong><\/p>\n\n\n\n

(i) Differentiation is the process that occurred when the Earth was very hot. Heavier elements like iron and nickel sank to the center to form the core, while lighter materials rose to form the mantle and crust.<\/p>\n\n\n\n

(ii) At first, Earth was very hot, empty, and covered in rocks. It was hit by many meteorites, had no air to breathe, and had lots of volcanoes, making it a dangerous place for life.<\/p>\n\n\n\n

(iii) The early atmosphere was made up of gases like hydrogen, helium, water vapor, carbon dioxide, methane, and ammonia. These gases were mostly released by frequent volcanic eruptions and the release of gases from inside the Earth, a process called degassing.<\/p>\n\n\n\n

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