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MCQs

Total Questions : 133 | Page 11 of 14 pages
Question 101. An amino acid is an amphoteric molecule.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option A. -> True
Answer: (a).True
Question 102. Which of these are used to measure optical activity?
  1.    Polarimeter
  2.    Planometer
  3.    Psychrometer
  4.    Photometer
 Discuss Question
Answer: Option A. -> Polarimeter
Answer: (a).Polarimeter
Question 103. A solution of L-alanine (4.0g/50 ml of 6 N HCl) has a rotation of +1.61° in a 2dm polarimeter tube. Calculate the specific rotation of L-alanine in 6 N HCl.
  1.    +15.1°
  2.    +10.1°
  3.    +11.1°
  4.    +16.1°
 Discuss Question
Answer: Option B. -> +10.1°
Answer: (b).+10.1°
Question 104. Which of the following rRNA molecules have peptidyl transferase activity in prokaryotes?
  1.    23S rRNA
  2.    28S rRNA
  3.    5S rRNA
  4.    18S rRNA
 Discuss Question
Answer: Option A. -> 23S rRNA
Answer: (a).23S rRNA
Question 105. Name the RNA molecule which takes part in the formation of the ribosome?
  1.    mRNA
  2.    tRNA
  3.    rRNA
  4.    gRNA
 Discuss Question
Answer: Option C. -> rRNA
Answer: (c).rRNA
Question 106. Which of the following statement is Incorrect about SnRNA?
  1.    It is small nuclear RNA
  2.    It helps in RNA splicing
  3.    It is also called snurps
  4.    It functions in RNA editing
 Discuss Question
Answer: Option D. -> It functions in RNA editing
Answer: (d).It functions in RNA editing
Question 107. Name the secondary structure of tRNA?
  1.    Cloverleaf
  2.    L-shaped
  3.    Duplex
  4.    Triple Helix
 Discuss Question
Answer: Option A. -> Cloverleaf
Answer: (a).Cloverleaf
Question 108. What is the role of snoRNA in eukaryotes?
  1.    Chemical modification
  2.    RNA splicing
  3.    Act as adaptor RNA
  4.    Forms component of the ribosome
 Discuss Question
Answer: Option A. -> Chemical modification
Answer: (a).Chemical modification
Question 109. Deficiency of which vitamin causes Beri-Beri?
  1.    Vitamin B12
  2.    Vitamin B2
  3.    Vitamin B6
  4.    Vitamin B1
 Discuss Question
Answer: Option D. -> Vitamin B1
Answer: (d).Vitamin B1
Question 110. Megaloblastic anemia is caused due to deficiency of ___________
  1.    Cobalamin
  2.    Pyridoxine
  3.    Niacin
  4.    Folic acid
 Discuss Question
Answer: Option D. -> Folic acid
Answer: (d).Folic acid

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