Free & Premium Study Material · Online Courses · Instant Download+91 99398 78821 · support@downloadstore.in
downloadstoreSTUDY MATERIAL
LoginRegister🛒0

Internal Structure of the Earth

36 MCQ questions with answers and explanations · page 2 of 2

Test yourself▶ 25 question test

Q26. Which of the following statements is false?

  1. AThe continent is mainly composed of granite rocks.
  2. BBasalt rock predominates in the oceanic basin.
  3. CThe core is also known as the barysphere.
  4. DAbout 68 percent of the Earth's total volume and 83.5 percent of its mass is present in the mantle.
Show answer & explanation

Answer: D) About 68 percent of the Earth's total volume and 83.5 percent of its mass is present in the mantle.

Q27. The reason for the increase in temperature in the earth's crust is –

  1. APressure
  2. Bdisintegration of radioactive substances
  3. Cboth of the above
  4. Dnone of these
Show answer & explanation

Answer: C) both of the above

Q28. The correct order of the different layers of the continental crust according to increasing depth is

  1. ASedimentary, granite, basalt
  2. BSedimentary, basalt, granite
  3. Cgranite, sedimentary, basalt
  4. Dgranite, basalt, scaly
Show answer & explanation

Answer: A) Sedimentary, granite, basalt

Q29. The correct descending order of the amount of different elements found in the earth's crust is –

  1. AOxygen, silicon, iron, aluminum
  2. BSilicon, oxygen, aluminum, iron
  3. CIron, silicon, oxygen, aluminum
  4. DOxygen, silicon, aluminum, iron
Show answer & explanation

Answer: D) Oxygen, silicon, aluminum, iron

Q30. Which element is found in abundance in the Earth's crust?

  1. ACalcium
  2. Baluminum
  3. CIron
  4. Dpotassium
Show answer & explanation

Answer: B) aluminum

Q31. What is the approximate depth of the Moho discontinuity from the surface?

  1. A30 km.
  2. B100 km.
  3. C200 km.
  4. D700 km.
Show answer & explanation

Answer: A) 30 km.

Q32. In the structure of planet Earth, the core below the mantle is made up of which one of the following?

  1. Aaluminum
  2. BChromium
  3. CIron
  4. Dsilicon
Show answer & explanation

Answer: C) Iron

Q33. What is the result of folding action?

  1. Acontinental force
  2. Bgeostatic force
  3. Cmountain building forces
  4. Dexogenous forces
Show answer & explanation

Answer: C) mountain building forces

Q34. The layer of the Earth made up of mixed metals and silicates is called

  1. ACiel
  2. BSaima
  3. Cmantle
  4. DNife
Show answer & explanation

Answer: A) Ciel

Q35. The "Gutenberg Discontinuity" is between which two layers of the Earth?

  1. Acrust and mantle
  2. Bmantle and core
  3. Cupper and lower mantle
  4. Dinner and outer core
Show answer & explanation

Answer: B) mantle and core

Q36. What is the process called that moves, uplifts and creates parts of the Earth's surface?

  1. APanel distortion
  2. BUncovering
  3. CDeterioration
  4. Dvolcanic
Show answer & explanation

Answer: A) Panel distortion

12
← India's WaterfallsInternational Date Line and Time Determination →
💬