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geography

praveen kumar 5 questions

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Questions in this quiz (5)

  1. 11. Consider the following statements:
    1) Conrad Discontinuity is between upper crust and lower crust.
    2) Repetti Discontinuity is between upper mental and lower mental.
    3) Lehmann Discontinuity is between outer core and inner core.
    1. A(A )1 and 2
    2. B(B) 3 and 4
    3. C(C) 2 and 3
    4. D(D) 1,2 and 3
  2. 22. Which of the following are true about the Igneous Rocks?
    1. Igneous Rocks are classified based on texture.
    2. The few examples of Igneous Rocks are granite, quartzite and basalt.
    3. Igneous Rocks are formed by intermediate conditions of cooling of molten magma.
    Choose the correct statements from the following codes:
    1. A(A)Only 1
    2. B(B)Only 1 and 3
    3. C(C)Only 2 and 3
    4. D(D)1, 2 and 3
  3. 33. Consider the following statements and identify wrong statements
    1. A(A) Metamorphism also occurs without original minerals within rocks undergo chemical
      changes.
    2. B(B)Metamorphic rocks are not stratified.
    3. C(C)Dark and light shades can be seen in metamorphic rocks
    4. D(D)The crustal once formed may be carried down into the mantle (interior of the earth).
  4. 44. Consider the following statements made about the sedimentary rocks:
    I. Sedimentary rocks are formed at Earth's surface by the hydrological system.
    II. The formation of sedimentary rocks involves the weathering of pre- existing rocks.
    III. Sedimentary rocks contain fossils.
    IV. Sedimentary rocks typically occur in layers.
    Which of these statements are correct?
    1. A(A) I and II
    2. B(B) I and IV
    3. C(C) II, III and IV
    4. D(D) I, II, III and IV
  5. 55Consider the following statements:
    1. P and S convert into L waves when they reach the earth’s surface.
    2. S waves causes particles to move backward and forward in the line of the propagation
    of the waves whereas in P waves the particles oscillate at right angles to the wave
    direction.
    3. Shear waves are also called Surface waves.
    4. P and S waves penetrate up to greatest depth inside the earth and their velocity
    changes only when there are changes in the density of rocks.
    Which of the above statements are correct?
    1. A(A) 1 and 2
    2. B(B) 2 and 3
    3. C(C) 3 and 4
    4. D(D) 1 and 4

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geography
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