Every question from this NCERT chapter, with a detailed explanation.
Consider the following statements regarding the continents of the world: 1. Asia is the largest continent and covers about one-third of the total land area of the earth. 2. The Equator passes through the center of the Asian continent. 3. Asia is separated from Europe by the Andes Mountains on the west. Which of the statements given above is/are correct?
With reference to the Lithosphere, consider the following statements: 1. It comprises the rocks of the earth’s crust and the thin layers of soil. 2. The elevation of land is measured from the ocean floor. 3. The level of seawater remains the same everywhere. Which of the statements given above is/are correct?
Which one of the following terms describes the narrow zone where land, water, and air are found together and which contains all forms of life?
Consider the following pairs regarding the shapes of major oceans: Ocean | Shape/Characteristic 1. Pacific Ocean | Almost circular 2. Atlantic Ocean | 'S' shaped 3. Indian Ocean | Almost triangular 4. Arctic Ocean | Highly indented coastline How many of the pairs given above are correctly matched?
Which of the following continents is the only one through which the Tropic of Cancer, the Equator, and the Tropic of Capricorn pass?
With reference to the atmosphere, consider the following statements: 1. The atmosphere extends up to a height of about 100 kilometres. 2. The density of the atmosphere is maximum at the sea level and decreases rapidly as we go up. 3. Nitrogen makes up 78 per cent of clean, dry air. Which of the statements given above is/are correct?
The deepest part of the earth, the Mariana Trench, is located in which of the following oceans?
Consider the following statements regarding the continent of North America: 1. It is the largest continent of the world. 2. It is linked to South America by a narrow strip of land called the Isthmus of Panama. 3. The continent lies completely in the Southern Hemisphere. Which of the statements given above is/are correct?
Which gas in the atmosphere is essential for the growth of plants and also absorbs heat radiated by the earth?
Consider the following statements regarding the Hydrosphere: 1. More than 97% of the Earth’s water is found in the oceans. 2. The water in the oceans is generally fresh and fit for human consumption. 3. A large proportion of fresh water is found in ice sheets and glaciers. Which of the statements given above is/are correct?
Which of the following mountain ranges separates Asia from Europe?
Consider the following statements regarding the continent of Antarctica: 1. It lies completely in the Northern Hemisphere. 2. The South Pole lies almost at the centre of this continent. 3. It has permanent human settlements known as Maitri and Dakshin Gangotri. Which of the statements given above is/are correct?
The coastline of which ocean is highly indented, providing ideal locations for natural harbours and ports?
Which of the following pairs is correctly matched regarding the layers of the atmosphere?
With reference to the continent of South America, consider the following statements: 1. It lies mostly in the Southern Hemisphere. 2. The Rockies mountain range runs through its length. 3. It has the world’s longest river, the Nile. Which of the statements given above is/are correct?
The Arctic Ocean is connected with the Pacific Ocean by a narrow stretch of shallow water known as:
Which one of the following continents is often referred to as the "Island Continent"?
Consider the following statements regarding the domain of the Earth: 1. The solid portion of the earth is called the Lithosphere. 2. The gaseous layers that surround the earth are called the Hydrosphere. 3. The area covered by water is called the Hydrosphere. Which of the above statements is/are correct?
Which of the following is the correct descending order of oceans based on their size?
What is the term used for the combined landmass of Europe and Asia?
Consider the following statements regarding the continent of Europe: 1. It is much larger than Asia. 2. The Arctic Circle passes through it. 3. It is bound by water bodies on three sides. Which of the statements given above is/are correct?
Which one of the following gases is the major constituent of the atmosphere by percentage?
With reference to the movements of ocean waters, which of the following are identified as the three chief movements? 1. Waves 2. Tides 3. Ocean currents 4. Tsunamis Select the correct answer using the code given below:
Consider the following pairs regarding the boundaries of the Indian Ocean: Direction | Boundary 1. North | Asia 2. West | Africa 3. East | Australia 4. South | South America How many of the pairs given above are correctly matched?
Why do climbers often experience problems in breathing at high altitudes?
Which one of the following continents is located to the west of Asia?
Consider the following statements about the Atlantic Ocean: 1. It is the busiest ocean from the point of view of commerce. 2. It is flanked by North and South America on the eastern side. 3. It is flanked by Europe and Africa on the western side. Which of the statements given above is/are correct?
The Southern Ocean encircles the continent of Antarctica and extends northward to which latitude?
Consider the following statements regarding the Biosphere: 1. It is a zone where organisms vary in size from microbes to huge mammals. 2. Living organisms are independent of each other and the biosphere. 3. The organisms in the biosphere are broadly divided into the plant kingdom and the animal kingdom. Which of the statements given above is/are correct?
Which continent covers the largest part of the land mass in the Northern Hemisphere?
The Sahara Desert, the world’s largest hot desert, is located in which continent?
Consider the following statements regarding the Earth's atmosphere: 1. Carbon dioxide is the breath of life for humans. 2. Nitrogen helps in the growth of living organisms. 3. The atmosphere protects us from the harmful effects of sun’s rays. Which of the statements given above is/are correct?
Which of the following pairs regarding continents and their key features is NOT correctly matched?
With reference to the domains of the earth, what does the Greek term ‘Hudor’ mean?
Consider the following statements regarding Global Warming: 1. It is caused by a decrease in the amount of Carbon Dioxide in the air. 2. It leads to an increase in global temperatures. 3. It is unrelated to emissions from industries and vehicles. Which of the statements given above is/are correct?
What is the officially recognized elevation of Mt. Everest above sea level?
Consider the following statements regarding the continent of Africa: 1. It is the second largest continent after Asia. 2. A large part of Africa lies in the Southern Hemisphere. 3. It is bound on all sides by oceans and seas. Which of the statements given above is/are correct?
Which strait separates India and Sri Lanka?
Which of the following statements is correct regarding the density of the atmosphere?
Who among the following were the first individuals to scale Mt. Everest on 29th May, 1953?
Consider the following statements regarding the Pacific Ocean: 1. It is the smallest ocean. 2. It is spread over one-third of the earth. 3. It is surrounded by Asia, Australia, North America, and South America. Which of the statements given above is/are correct?
Which of the following is NOT a component of the Hydrosphere?
What term describes a narrow strip of land connecting two larger landmasses?
Consider the following statements regarding the continent of Australia: 1. It is the smallest continent. 2. It lies entirely in the Northern Hemisphere. 3. It is known as the Peninsula continent. Which of the statements given above is/are correct?
Which one of the following layers of the atmosphere is the topmost layer?
Consider the following statements regarding the Arctic Ocean: 1. It is located within the Arctic Circle. 2. It surrounds the South Pole. 3. It is bound by the northern coasts of North America and Eurasia. Which of the statements given above is/are correct?
Which of the following is the correct definition of "Strait"?
With reference to the Earth's domains, consider the following statements: 1. The lithosphere, atmosphere, and hydrosphere do not interact with each other. 2. Changes in one domain can affect the others. 3. The discharge of waste material into lakes makes water unsuitable for human use. Which of the statements given above is/are correct?
Who among the following was the first Indian woman to scale Mt. Everest?
Consider the following statements regarding the continent of Asia: 1. It lies in the Western Hemisphere. 2. It is separated from Europe by the Ural Mountains. 3. The Equator passes through the center of Asia. Which of the statements given above is/are correct?
The solid portion of the earth comprising the rocks of the earth’s crust is called:
Consider the following statements regarding the atmosphere's composition: 1. Nitrogen and Oxygen make up about 99 per cent of clean, dry air. 2. Carbon dioxide and Argon comprise about 10 per cent by volume. 3. Oxygen is the breath of life. Which of the statements given above is/are correct?
Which continent is bound by water bodies on three sides and has the Arctic Circle passing through it?
The Maitri and Dakshin Gangotri research stations are located in:
Consider the following statements regarding the Earth's water: 1. The earth is called the blue planet because only 20% is covered with water. 2. Despite being a blue planet, we face a shortage of water. 3. Only a small percentage of earth's water is fresh water available for human use. Which of the statements given above is/are correct?
Consider the following statements regarding the continent of North America: 1. It is the third largest continent. 2. It lies in the Southern Hemisphere. 3. It is surrounded by only one ocean. Which of the statements given above is/are correct?
Consider the following statements regarding the interaction of domains: 1. Cutting of forests can lead to fast removal of soil from slopes. 2. Natural calamities like earthquakes have no effect on the earth's surface. 3. Submergence of land happened in the Andaman & Nicobar islands due to a Tsunami. Which of the statements given above is/are correct?
Consider the following statements regarding the Indian Ocean: 1. It is perfectly circular in shape. 2. It is bound by Africa in the west. 3. It is bound by Australia in the east. Which of the statements given above is/are correct?
Which of the following is the correct order of atmospheric layers starting from the earth's surface?
Which domain of the Earth supports all forms of life?
Consider the following statements regarding the continent of South America: 1. It is linked to North America by the Strait of Gibraltar. 2. Two oceans surround it on the east and the west. 3. The Alps mountain range runs through its length. Which of the statements given above is/are correct?
Which of the following statements is correct regarding the size of Europe compared to Asia?
Consider the following statements regarding the atmosphere: 1. It exerts pressure on the earth. 2. Pressure is uniform across the earth's surface. 3. Air moves from high pressure to low pressure. Which of the statements given above is/are correct?