Interior of the Earth Ch (3) Practice Quiz in English Part 1 || Class 11 Geography Book -1 Practice Quizzes in English Posted on February 25, 2025February 27, 2025 by Anshul Gupta0% 0 votes, 0 avg 6 Interior of the Earth Ch (3)Practice Quiz in English Part 1 || Class 11 Geography Book -1 Practice Quizzes in English 1 / 201. What is the point on the Earth’s surface directly above the focus of an earthquake called? A. Shadow zone Answer: B. Fault line C. Hypocenter D. Epicenter Explanation: The epicenter is the point on the surface closest to the focus, where the earthquake’s energy is first felt. 2 / 202. What is the name for the zone where earthquake waves are not recorded? A. Volcanic zone Answer: B. Seismic zone C. Shadow zone D. Fault zone Explanation: Shadow zones are areas on the Earth’s surface where certain types of earthquake waves are not detected due to the Earth’s internal structure. 3 / 203. What is the approximate thickness of the Earth’s oceanic crust? A. 70 km B. 30 km C. 200 km Answer: D. 5 km Explanation: Oceanic crust is thinner than continental crust, averaging about 5 kilometers in thickness. 4 / 204. Which of the following is an indirect source of information about the Earth’s interior? A. Drilling Answer: B. Volcanic eruptions C. Meteorites D. Mining Explanation: While not from the Earth’s interior, meteorites are believed to be composed of similar material, providing clues about our planet’s composition. 5 / 205. Which of the following statements about P-waves is true? A. They are more destructive than surface waves. Answer: B. They can only travel through solids. C. They are slower than S-waves. D. They vibrate parallel to the direction of wave propagation. Explanation: P-waves cause compression and expansion in the direction they travel, similar to sound waves. 6 / 206. What is the name for the scale used to measure the intensity of an earthquake based on its visible damage? A. Magnitude scale Answer: B. Richter scale C. Mercalli scale D. Seismic scale Explanation: The Mercalli scale assesses the impact of an earthquake on the environment and human-made structures. 7 / 207. Which of the following is NOT a hazard associated with earthquakes? A. Tsunami B. Volcanic eruption C. Landslide D. Soil liquefaction Answer: Explanation: While volcanic eruptions can cause ground shaking, they are not a direct hazard caused by earthquakes themselves. 8 / 208. Which of the following is NOT a characteristic of composite volcanoes? A. Pyroclastic material B. Viscous lava C. Gentle slopes Answer: D. Explosive eruptions Explanation: Composite volcanoes have steep slopes due to the buildup of layers of lava and pyroclastic material. 9 / 209. Which type of volcano is characterized by low-explosivity eruptions and fluid lava flows? A. Mid-ocean ridge volcano Answer: B. Shield volcano C. Composite volcano D. Caldera Explanation: Shield volcanoes have gentle slopes and erupt fluid basalt lava, often in the form of fountains. 10 / 2010. Which layer of the Earth is the source of magma during volcanic eruptions? A. Asthenosphere B. Inner Core Answer: C. Outer Core D. Crust Explanation: The asthenosphere is a weaker zone in the mantle from which magma rises to the surface during volcanic eruptions. 11 / 2011. Which of the following is NOT a component of volcanic material ejected during an eruption? A. Ash B. Pyroclastic debris C. Lava D. Petroleum Answer: Explanation: Petroleum is a fossil fuel formed from organic matter over millions of years and is not associated with volcanic eruptions. 12 / 2012. What is the name for a thin, horizontal deposit of intrusive igneous rock? A. Dyke B. Sill C. Laccolith Answer: D. Sheet Explanation: Sheets are relatively thin, horizontal layers of igneous rock formed when magma intrudes between existing rock layers. 13 / 2013. Which type of earthquake wave can only travel through solid materials? A. Surface waves B. P-waves C. S-waves D. All of the above Answer: Explanation: S-waves, or secondary waves, cannot travel through liquids, which is how scientists know the Earth’s outer core is liquid. 14 / 2014. What is the name for the boundary between the Earth’s crust and mantle? A. Lehmann discontinuity B. Gutenberg discontinuity C. Mohorovicic discontinuity D. Asthenosphere Answer: Explanation: The Mohorovicic discontinuity, or Moho, marks the transition between the Earth’s crust and the denser mantle. 15 / 2015. What is the most destructive type of earthquake wave? A. Surface waves B. P-waves C. Body waves Answer: D. S-waves Explanation: Surface waves travel along the Earth’s surface and cause the most damage during an earthquake. 16 / 2016. What is the term for the release of energy that causes an earthquake? A. Fault rupture B. Seismic shift C. Magma flow Answer: D. Tectonic release Explanation: Earthquakes occur when rocks along a fault suddenly break and slide past each other, releasing energy in the form of seismic waves. 17 / 2017. What is the name for a large body of magmatic material that cools deep within the Earth’s crust? A. Phacolith B. Dyke Answer: C. Batholith D. Laccolith Explanation: Batholiths are massive, dome-shaped bodies of intrusive igneous rock that form deep underground. 18 / 2018. Which of the following is NOT an intrusive volcanic landform? A. Caldera B. Batholith C. Dyke Answer: D. Laccolith Explanation: A caldera is a large depression formed by the collapse of a volcano after a massive eruption, making it an extrusive landform. 19 / 2019. Which of the following is NOT a type of earthquake? A. Magma earthquake Answer: B. Collapse earthquake C. Volcanic earthquake D. Tectonic earthquake Explanation: There is no recognized category of earthquake called a “magma earthquake.” 20 / 2020. What causes the formation of a shadow zone for S-waves? A. The Earth's gravitational pull B. The Earth's magnetic field C. The reflection of waves from the Earth's surface Answer: D. The presence of a liquid outer core Explanation: S-waves cannot travel through the Earth’s liquid outer core, creating a large shadow zone where they are not detected. 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 51% 0% Restart quiz Category: Class 11 Geography Quizzes in English