Calculation of true thickness of the bed

CSIR-NET 2018 JUNE TEST

TEST-3

  

time limit is 5 minutes

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1. Two planets A and B orbit around their Sun, B being four times farther away than A from their Sun. Then the length of the year on B, compared to that A, would be
   1.   Twice
   2.   The same
   3.   Eight times
   4.   Four times
2. What is the third most abundant element (after H and He) in the solar system?
   1.   Si
   2.   Fe
   3.   Ni
   4.   O
3. The first consequence of earliest differentiation of the Earth is the formation of the........
   1.   Continental crust
   2.   Oxygen rich atmosphere
   3.   Core
   4.   Ocenas
4. Which one of the following isotope dating methods is based on the parent isotope abundances and not on the daughter isotope abundances?
   
   1.   Radiocarbon dating
   2.   K-Ar dating
   3.   Rb-Sr dating
   4.   U-Pb dating
5. Earth's referecne spheriod
   1.   is above the geoid in the oceanic region
   2.   is below the geoid in the oceanic region
   3.   coincides with the geoid in the land region
   4.   coincides with the geoid in the oceanic region
6. Density contrast is the maximum across the
   1.   mantle-outer core boundary
   2.   upper crust and lower crust boundary
   3.   outer-core and inner-core boundary
   4.   Crust- mantle boundary
7. Intraplate earthquakes predominantly occur in the depth range
   1.   100-300 km
   2.   0-40 km
   3.   300-700 km
   4.   40-100 km
8. On the Earth's surface, the Earth's normal magnetic field
   1.   decreases both with elevation and depth
   2.   increases with elevation, but decreases with depth
   3.   increases both with elevation and depth
   4.   decreases with elevation, but increases with depth
9. Which of the following processes is not related to plate tectonics?
   1.   Mountain Building
   2.   Subduction
   3.   Sea floor spreading
   4.   Rise of mantle plume
10. Which one of the mineral sequences, arranged in the order of increaing hardness (in Mohs scale) is correct?
    1.   Orthoclase, topaz, quartz, diamond
    2.   Gypsum, talc, calcite, apatite
    3.   Talc, calcite, gypsum, apatite
    4.   Calcite, apatite, orthoclase, quartz