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MCQs 71-80
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In this chapter, Binati discusses 10 MCQs.

Binati Sheth
An Avid Reader. A Teacher. An Aid worker. An Engineer (E&C). A Writer. Budding Art Connoisseur. A philomath. A Shōnen Otaku.

U
Unacademy user
tremendous sir😊😊😊😊😊
Vivek Dubey
a year ago
Thanx vikash
  1. Educator Writer Translator Hi am Bimati Sheth


  2. Rate Review veddn't lve it Recommend Share facebook twitter etC Insta am


  3. Generan Knowiedpe for XAT


  4. The most abundant element of the earth's crust is (a) Silicon (b) Oxygen (d) Iron 71


  5. Solution: b. Oxygen is the most abundant element of the earth's crust followed by silicon, aluminium and iron.


  6. Which of the following is not a metamorphic rock? (a) Gneiss (b) Slate (c) Granite (d) Marble 72


  7. Solution: c. Granite is an igneous rock of visible crystalline formation and texture. It is composed of feldspar and quartz, with a small amount of mica


  8. Consider the following statements I.The continental crust of the earth is thinner than the oceanic crust II. The asthenosphere is a layer found at the top of the upper mantle. Which of the above statements is/are correct? (a) I (b) II (c) I and II (d) None 73


  9. Solution: d. The average thickness of the oceanic crust is about 5 km while the average thickness of the continental crust is about 40 km The asthenosphere is a 100 km thick layer found at the top of the lower mantle.


  10. onsider the following statements I. Metamorphic rocks are also called primary or basic rocks Igneous rocks are formed when magma cools and solidifies. Which of the above statements is/are correct? (a) I (b) II (c) I and II (d) None 74


  11. Solution: Igneous rocks are formed by the solidification of magma while metamorphic rocks and sedimentary rocks are composed of pre-existing rocks.


  12. Consider the following statements The San Andreas fault is a result of collision between oceanic and continental plates II.T zinc. Which of the above statements is/are correct? he inner core of the earth is made mostly of copper and (b) II (c) I and II (d) None 76


  13. Solution: c. Lake Baikal, the deepest lake in the world, is a fresh water lake located in Siberia. It is the deepest lake in the world with a maximum depth of 1,637 m. It is estimated to contain approximately one-fifth of all the earth's fresh surface water.


  14. Solution: d. The Pamir Knot is the meeting place of many mountains. It is located in the extreme north of India


  15. Which of the following is the second highest peak in the world? (a) Kanchenjunga (b) K2 (c) Lhotse (d) Nanga Parbat 79


  16. Solution: b. K2, at 8,611 m, is the second tallest mountain in the world. Only Mount Everest is taller than K2