Biotechnology(Gate > 2017-2018 ) Questions and Answers

Question 1. Which one of the following options is the closest in meaning to the word given below? Mitigate
  1.    Diminish
  2.    Divulge
  3.    Dedicate
  4.    Denote
Explanation:-
Answer: Option A. -> Diminish


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Question 2. Choose the most appropriate alternative from the options given below to complete the following
sentence: Despite several “““““““““ the mission succeeded in its attempt to resolve the conflict.
  1.    attempts
  2.    setbacks
  3.    meetings
  4.    delegations
Explanation:-
Answer: Option B. -> setbacks


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Question 3. Wanted Temporary, Part-time persons for the post of Field Interviewer to conduct personal
interviews to collect and collate economic data. Requirements: High School-pass, must be
available for Day, Evening and Saturday work. Transportation paid, expenses reimbursed. Which one of the following is the best inference from the above advertisement?
  1.    Gender-discriminatory
  2.    Xenophobic
  3.    Not designed to make the post attractive
  4.    Not gender-discriminatory
Explanation:-
Answer: Option D. -> Not gender-discriminatory


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Question 4. Given the sequence of terms, AD CG FK JP, the next term is
  1.    OV
  2.    OW
  3.    PV
  4.    PW
Explanation:-
Answer: Option A. -> OV


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Question 5. Which of the following assertions are CORRECT? P: Adding 7 to each entry in a list adds 7 to the mean of the listQ: Adding 7 to each entry in a list adds 7 to the standard deviation of the list R: Doubling each entry in a list doubles the mean of the list S: Doubling each entry in a list leaves the standard deviation of the list unchanged
  1.    P, Q
  2.    Q, R
  3.    P, R
  4.    R,S
Explanation:-
Answer: Option C. -> P, R


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Question 6. The activity of an enzyme is expressed in International Units (IU). However, the S.I. unit for
enzyme activity is Katal. One Katal is
  1.    1.66 * 104 IU
  2.    60 IU
  3.    6 * 107 IU
  4.    106 IU
Explanation:-
Answer: Option C. -> 6 * 107 IU


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Question 7. Which one of the following is NOT a protoplast fusion inducing agent?
  1.    Inactivated Sendai virus
  2.    Ca2+ at alkaline pH
  3.    Polyethylene glycol
  4.    Colchicine
Explanation:-
Answer: Option D. -> Colchicine


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Question 8. An example of a program for constructing a phylogenetic tree is
  1.    phylip
  2.    phrap
  3.    prodom
  4.    PHDsec
Explanation:-
Answer: Option A. -> phylip


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Question 9. Identify the statement that is NOT applicable to an enzyme catalyzed reaction.
  1.    Enzyme catalysis involves propinquity effects
  2.    The binding of substrate to the active site causes a strain in the substrate
  3.    Enzymes do not accelerate the rate of reverse reaction
  4.    Enzyme catalysis involves acid-base chemistry
Explanation:-
Answer: Option C. -> Enzymes do not accelerate the rate of reverse reaction


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Question 10. An example of a derived protein structure database is
  1.    Pfam
  2.    SCOP
  3.    GEO
  4.    Prosite
Explanation:-
Answer: Option B. -> SCOP


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