NBRC National Brain Research Centre www.specialtest.in : Model Question Paper Integrated PhD

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National Brain Research Centre(NBRC)
NH-8, Manesar-122050, HARYANA
Sample Questions For Integrated Ph.D. Entrance Examination-2012

Note : Sample questions are provided to give a general idea of the style of the questions that appear in the entrance test. These questions do not reflect the difficulty level of questions in the entrance test.

NBRC Question Page : http://specialtest.in/nbrc2012/
Model Question Paper : http://specialtest.in/nbrc2012/Sampl...tedPhd2012.pdf

PHYSICS
The infrared spectrum falls between:
(1) Radio waves and micro waves (2) Micro waves and visible region
(3) Visible and ultraviolet regions (4) Ultraviolet and x-rays
2. The colour of a star indicates its:
(1) Weight (2) Size
(3) Distance (4) Temperature
3. One star is going away from the Earth. Then the observer on the Earth will experience:
(1) Decrease in wave length (2) Increase in wave length
(3) No change in wave length (4) None of these
4. The terminal velocity of a spherical ball of radius r falling through a viscous liquid is proportional to:
(1) r (2) r2
(3) r3 (4) 1/r
5. A 200 W lamp is connected to 100 volts supply. The number of electrons passing through the lamp in one minute is(charge of an electron =1.6 X 10-19C):
(1) 1x1019 (2) 2x1015
(3) 7.5x1020 (4) 1x1012

CHEMISTRY
6. Which of the following type of metals are the most efficient catalysts?
(1) Alkali metal (2) Alkaline Earth metal
(3) Transition metals (4) Metals of p-block
7. The strongest bronsted base is:
(1) Clo –
(2) Clo –
(3) Clo– (4) Clo –
8. Mohr’s salt is prepared in warm distilled water by the reaction of (NH4)2SO4 and:
(1) FeSO4 (2) Fe2(SO4)3
(3) CaSO4 (4) ZnSO4
9. Which among the following is correct order of reactivity with water according to electro chemical series:
(1) Cu>Zn>Mg>K (2) K>Mg>Zn>Cu
(3) Mg>Zn>Cu>K (4) K>Zn>Mg>Cu
10. The first order rate constant for the decompostion of N2 O5 is 6.2 ? 10 period for the decomposition in seconds is:
(1) 1117.7 (2) 111.7
(3) 223.4 (4) 1609

BIOLOGY
11. Which is not a root:
(1) Potato (2) Carrot
(3) Sweet Potato (4) Raddish
12. Stilt roots are found in:
(1) Rice (2) Sugarcane
(3) Groundnut (4) Gram
13. RIBOSOMES are made up of:
(1) RNA and DNA (2) DNA and Protein
(3) RNA and Protein (4) DNA alone
14. Nitrogen is available for plants in the form of:
(1) Nitrogen gas (2) Nitrogen dioxide
(3) Nitrate (4) Nitric acid
15. Karyokinesis means division of:
(1) Cytoplasm into two (2) Nucleus into two
(3) Protoplasm into two (4) None of these