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 7 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. Epicenter B. Fault line C. Hypocenter D. Shadow zone Answer: Explanation: The epicenter is the point on the surface closest to the focus, where the earthquake’s energy is first felt. 2 / 202. Which of the following is NOT a component of volcanic material ejected during an eruption? A. Petroleum Answer: B. Lava C. Ash D. Pyroclastic debris Explanation: Petroleum is a fossil fuel formed from organic matter over millions of years and is not associated with volcanic eruptions. 3 / 203. Which type of earthquake wave can only travel through solid materials? A. All of the above Answer: B. Surface waves C. P-waves D. S-waves Explanation: S-waves, or secondary waves, cannot travel through liquids, which is how scientists know the Earth’s outer core is liquid. 4 / 204. What is the approximate thickness of the Earth’s oceanic crust? A. 200 km Answer: B. 5 km C. 70 km D. 30 km Explanation: Oceanic crust is thinner than continental crust, averaging about 5 kilometers in thickness. 5 / 205. What causes the formation of a shadow zone for S-waves? A. The reflection of waves from the Earth's surface Answer: B. The Earth's magnetic field C. The presence of a liquid outer core D. The Earth's gravitational pull Explanation: S-waves cannot travel through the Earth’s liquid outer core, creating a large shadow zone where they are not detected. 6 / 206. 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. 7 / 207. Which of the following is NOT a hazard associated with earthquakes? A. Landslide B. Tsunami C. Soil liquefaction Answer: D. Volcanic eruption Explanation: While volcanic eruptions can cause ground shaking, they are not a direct hazard caused by earthquakes themselves. 8 / 208. What is the name for the boundary between the Earth’s crust and mantle? A. Lehmann discontinuity B. Gutenberg discontinuity C. Asthenosphere Answer: D. Mohorovicic discontinuity Explanation: The Mohorovicic discontinuity, or Moho, marks the transition between the Earth’s crust and the denser mantle. 9 / 209. What is the name for the scale used to measure the intensity of an earthquake based on its visible damage? A. Seismic scale B. Magnitude scale Answer: C. Richter scale D. Mercalli scale Explanation: The Mercalli scale assesses the impact of an earthquake on the environment and human-made structures. 10 / 2010. Which of the following is an indirect source of information about the Earth’s interior? A. Meteorites B. Volcanic eruptions C. Drilling Answer: 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. 11 / 2011. Which type of volcano is characterized by low-explosivity eruptions and fluid lava flows? A. Mid-ocean ridge volcano Answer: B. Composite volcano C. Shield volcano D. Caldera Explanation: Shield volcanoes have gentle slopes and erupt fluid basalt lava, often in the form of fountains. 12 / 2012. What is the name for a thin, horizontal deposit of intrusive igneous rock? A. Dyke B. Sill C. Sheet D. Laccolith Answer: Explanation: Sheets are relatively thin, horizontal layers of igneous rock formed when magma intrudes between existing rock layers. 13 / 2013. Which of the following is NOT a characteristic of composite volcanoes? A. Viscous lava B. Explosive eruptions C. Pyroclastic material D. Gentle slopes Answer: Explanation: Composite volcanoes have steep slopes due to the buildup of layers of lava and pyroclastic material. 14 / 2014. Which of the following statements about P-waves is true? A. They vibrate parallel to the direction of wave propagation. B. They are more destructive than surface waves. Answer: C. They are slower than S-waves. D. They can only travel through solids. Explanation: P-waves cause compression and expansion in the direction they travel, similar to sound waves. 15 / 2015. What is the term for the release of energy that causes an earthquake? A. Seismic shift B. Fault rupture C. Tectonic release D. Magma flow Answer: Explanation: Earthquakes occur when rocks along a fault suddenly break and slide past each other, releasing energy in the form of seismic waves. 16 / 2016. What is the most destructive type of earthquake wave? A. P-waves B. Body waves Answer: C. Surface waves D. S-waves Explanation: Surface waves travel along the Earth’s surface and cause the most damage during an earthquake. 17 / 2017. What is the name for a large body of magmatic material that cools deep within the Earth’s crust? A. Dyke Answer: B. Batholith C. Laccolith D. Phacolith Explanation: Batholiths are massive, dome-shaped bodies of intrusive igneous rock that form deep underground. 18 / 2018. Which of the following is NOT a type of earthquake? A. Volcanic earthquake B. Tectonic earthquake C. Collapse earthquake D. Magma earthquake Answer: Explanation: There is no recognized category of earthquake called a “magma earthquake.” 19 / 2019. Which of the following is NOT an intrusive volcanic landform? A. Batholith B. Caldera C. Laccolith D. Dyke Answer: Explanation: A caldera is a large depression formed by the collapse of a volcano after a massive eruption, making it an extrusive landform. 20 / 2020. What is the name for the zone where earthquake waves are not recorded? A. Fault zone B. Shadow zone C. Volcanic zone Answer: D. Seismic 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. 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 56% 0% Restart quiz Category: Class 11 Geography Quizzes in English
