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GATE 2017-2018 :: GATE Biotechnology

  1. A DNA fragment of 5000bp needs to be isolated from E.coli (genome size 4*103kb) genomic library.
    The number of clones to represent this fragment in genomic library with a probability of 95% are
  2. A.
    5.9 * 103
    B.
    4.5 * 103
    C.
    3.6 * 103
    D.
    2.4 * 103

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  3. During sterilization of a fermentation medium in a given bioreactor ∇heating = 12.56, ∇cooling = 7.48 and the total value of ∇ required for whole sterilization process is 52, where ∇ is the design criteria. 
    What is the value of ∇holding?
  4. A.
    31.96
    B.
    42.32
    C.
    52.43
    D.
    61.18

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  5. During sterilization of a fermentation medium in a given bioreactor ∇heating = 12.56, ∇cooling = 7.48 and the total value of ∇ required for whole sterilization process is 52, where ∇ is the design criteria. 
    What is the holding period (min) at a k value of 3.36min-1?
  6. A.
    10.6
    B.
    9.5
    C.
    8.4
    D.
    7.2

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  7. If 3 ≤ X ≤ 5 and 8 ≤ Y ≤ 11 then which of the following options is TRUE?
  8. A.
    3/5 ≤ X/Y ≤ 8/5
    B.
    3/11 ≤ X/Y ≤ 5/8
    C.
    3/11 ≤ X/Y ≤ 8/5
    D.
    3/5 ≤ X/Y ≤ 8/11

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  9. The Headmaster ___________ to speak to you. 
    Which of the following options is incorrect to complete the above sentence?
  10. A.
    is wanting
    B.
    wants
    C.
    want
    D.
    was wanting

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  11. Mahatama Gandhi was known for his humility as
  12. A.
    he played an important role in humiliating exit of British from India.
    B.
    he worked for humanitarian causes.
    C.
    he displayed modesty in his interactions.
    D.
    he was a fine human being.

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  13. All engineering students should learn mechanics, mathematics and how to do computation
                         I                                        II                                      III                               IV 
    Which of the above underlined parts of the sentence is not appropriate?
  14. A.
    I
    B.
    II
    C.
    III
    D.
    IV

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  15. Select the pair that best expresses a relationship similar to that expressed in the pair: 
    water: pipe::
  16. A.
    cart: road
    B.
    electricity: wire
    C.
    sea: beach
    D.
    music: instrument

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  17. Velocity of an object fired directly in upward direction is given by V = 80 - 32 t, where t (time) is in seconds. When will the velocity be between 32 m/sec and 64 m/sec?
  18. A.
    (1, 3/2)
    B.
    (1/2, 1)
    C.
    (1/2, 3/2)
    D.
    (1, 3)

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  19. In a factory, two machines M1 and M2 manufacture 60% and 40% of the autocomponents respectively. Out of the total production, 2% of M1 and 3% of M2 are found to be defective. If a randomly drawn autocomponent from the combined lot is found defective, what is the probability that it was manufactured by M2?
  20. A.
    0.35
    B.
    0.45
    C.
    0.5
    D.
    0.4

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