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MCQs

Total Questions : 116 | Page 12 of 12 pages
Question 111. The process of introducing DNA into cells is called ____________________
  1.    blotting
  2.    conjugation
  3.    transfection
  4.    conduction
 Discuss Question
Answer: Option C. -> transfection
Answer: (c).transfection
Question 112. The half life of a radioisotope is _____________
  1.    half the time taken for complete decay
  2.    half the time taken for half the decay
  3.    time taken for complete decay
  4.    time taken for half the decay
 Discuss Question
Answer: Option D. -> time taken for half the decay
Answer: (d).time taken for half the decay
Question 113. A beta particle is equivalent to an electron.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option A. -> True
Answer: (a).True
Question 114. Which of the following emitted particles consists of two protons?
  1.    alpha
  2.    beta
  3.    gamma
  4.    zeta
 Discuss Question
Answer: Option A. -> alpha
Answer: (a).alpha
Question 115. Trypsin is used for dissociating the tissue into single cells.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option A. -> True
Answer: (a).True
Question 116. Liquid scintillation spectrometry is a method of detecting ________________________
  1.    X-rays
  2.    α-emitters
  3.    β-emitters
  4.    Gamma-rays
 Discuss Question
Answer: Option C. -> β-emitters
Answer: (c).β-emitters

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