Distribution of Oceans and Continents Ch (4) Practice Quiz in English Part 2 || Class 11 Geography Book -1 Practice Quizzes in English Posted on February 25, 2025February 27, 2025 by Anshul Gupta0% 0 votes, 0 avg 1 Distribution of Oceans and Continents Ch (4)Practice Quiz in English Part 2 || Class 11 Geography Book -1 Practice Quizzes in English 1 / 201. How many major tectonic plates are there? A. Five B. Eight C. Seven D. Six Explanation: The Earth’s lithosphere is divided into seven major and some minor tectonic plates. 2 / 202. What does the term “Pangaea” mean? A. Supercontinent B. Land of the dinosaurs C. All earth D. All water Explanation: The term “Pangaea” translates to “all earth,” referring to the supercontinent that Wegener proposed. 3 / 203. What is a subduction zone? A. Where crust is destroyed B. Where new crust is generated C. Where mountains are formed D. Where plates slide past each other Explanation: A subduction zone is where one tectonic plate sinks beneath another, leading to the destruction of the crust. 4 / 204. When did India collide with Asia? A. 100 million years ago B. 40-50 million years ago C. 200 million years ago D. 10 million years ago Explanation: The collision of India and Asia, leading to the formation of the Himalayas, occurred around 40-50 million years ago. 5 / 205. What is the fastest moving oceanic ridge? A. The Indian Ocean Ridge B. The Mid Sources and related content-Atlantic Ridge C. The Arctic Ridge D. The East Pacific Rise Explanation: The East Pacific Rise has the fastest rate of plate movement, with rates exceeding 15 cm per year. 6 / 206. What is the northern plate boundary of the Indian plate? A. The Himalayas B. The Kirthar Mountains C. The Java Trench D. The Mid-Atlantic Ridge Explanation: The Himalayas were formed by the collision of the Indian and Eurasian plates, marking the northern boundary of the Indian plate. 7 / 207. What major event occurred during India’s movement towards Asia? A. Outpouring of lava and formation of the Deccan Traps B. Separation of Australia from Antarctica C. Formation of the Mariana Trench D. Formation of the Atlantic Ocean Explanation: The Deccan Traps were formed by massive volcanic eruptions during India’s northward movement. 8 / 208. What is the approximate age of the oldest rocks in the oceanic crust? A. 4,600 million years old B. 3,200 million years old C. 200 million years old D. 540 million years old Explanation: The age of rocks in the oceanic crust does not exceed 200 million years, significantly younger than the oldest continental rocks.9 / 209. What was the name of the sea that separated India from Asia? A. The Tethys Sea B. The Pacific Ocean C. The Atlantic Ocean D. The Indian Ocean Explanation: The Tethys Sea separated the Indian and Eurasian plates before their collision. 10 / 2010. Where was the Indian subcontinent located about 140 million years ago? A. 50°S latitude B. Near the equator C. Near the South Pole D. 50°N latitude Explanation: The Indian subcontinent was located much further south 140 million years ago. 11 / 2011. What is the slowest moving oceanic ridge? A. The Mid-Atlantic Ridge B. The Arctic Ridge C. The East Pacific Rise D. The Indian Ocean Ridge Explanation: The Arctic Ridge has the slowest rate of plate movement compared to other ridges. 12 / 2012. What is the concept of seafloor spreading? A. Formation of mountains due to volcanic activity B. Continents are stationary, and only the ocean floor moves C. Movement of continents due to tidal forces D. New oceanic crust is formed at mid-oceanic ridges and spreads outwards Explanation: Seafloor spreading proposes that volcanic activity at mid-oceanic ridges creates new crust, pushing the older crust outwards. 13 / 2013. What is the driving force behind plate movement? A. Tidal forces B. Convectional currents in the mantle C. Magnetic forces D. Volcanic activity Explanation: The heat within the mantle creates convectional currents, which are the driving force behind plate movement. 14 / 2014. What is the “rim of fire”? A. The edge of a tectonic plate B. The boundary between two continents C. The zone of active volcanoes around the Pacific Ocean D. The area where seafloor spreading occurs Explanation: The “rim of fire” refers to the region around the Pacific Ocean with a high concentration of volcanic activity. 15 / 2015. What happens to the oceanic crust at deep trenches? A. It becomes thicker B. It remains unchanged C. It is created D. It is destroyed Explanation: The oceanic crust sinks and is consumed at deep trenches, balancing the creation of new crust at mid-oceanic ridges. 16 / 2016. How are the rates of plate movement determined? A. By measuring the depth of trenches B. By analyzing magnetic stripes in the ocean floor C. By measuring the height of mountains D. By observing volcanic activity Explanation: The magnetic stripes in the ocean floor provide a record of plate movement, allowing scientists to determine the rates. 17 / 2017. What type of plate boundary is the San Andreas Fault? A. Convergent boundary B. Subduction zone C. Transform boundary D. Divergent boundary Explanation: The San Andreas Fault is a transform boundary where plates slide horizontally past each other. 18 / 2018. What is the asthenosphere? A. The mobile layer beneath the lithosphere B. The rigid outer layer of the Earth C. A type of tectonic plate D. The solid core of the Earth Explanation: The asthenosphere is the partially molten layer beneath the lithosphere, over which the tectonic plates move. 19 / 2019. What is an example of a divergent plate boundary? A. The San Andreas Fault B. The Himalayas C. The Mid-Atlantic Ridge D. The Mariana Trench Explanation: The Mid-Atlantic Ridge is a divergent boundary where the American plates are moving away from the Eurasian and African plates. 20 / 2020. What is a tectonic plate? A. A massive, irregularly-shaped slab of solid rock B. A large island formed from volcanic activity C. A deep trench in the ocean floor D. A type of volcano Explanation: A tectonic plate, also called a lithospheric plate, is a massive slab of solid rock that makes up the Earth’s lithosphere. Please insert your information to see your ranking अपनी Ranking जानने के लिए कृपया अपनी जानकारी भरे NamePhone Number Your score isThe average score is 45% 0% Restart quiz Category: Class 11 Geography Quizzes in English
