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MCQs

Total Questions : 131 | Page 10 of 14 pages
Question 91. In an amino acid, the carboxyl group and amino group are separated from each other by a single ____________ atom.
  1.    nitrogen
  2.    sulphur
  3.    hydrogen
  4.    carbon
 Discuss Question
Answer: Option D. -> carbon
Answer: (d).carbon
Question 92. Amino acids used in the synthesis of proteins on a ribosome are ________________
  1.    D-amino acids
  2.    Mutated amino acids
  3.    L-amino acids
  4.    Fluorescing amino acids
 Discuss Question
Answer: Option C. -> L-amino acids
Answer: (c).L-amino acids
Question 93. What protein makes up spider silk?
  1.    Keratin
  2.    Fibrin
  3.    Collagen
  4.    Elastin
 Discuss Question
Answer: Option C. -> Collagen
Answer: (c).Collagen
Question 94. Which bonds are present in two neighboring amino acids?
  1.    Glycosidic bonds
  2.    Polypeptide bonds
  3.    Amide bonds
  4.    Hydrogen bonds
 Discuss Question
Answer: Option B. -> Polypeptide bonds
Answer: (b).Polypeptide bonds
Question 95. Microorganisms use D-amino acids.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option A. -> True
Answer: (a).True
Question 96. The longest known polypeptide is of the muscle protein called __________
  1.    chitin
  2.    myoglobin
  3.    titin
  4.    papain
 Discuss Question
Answer: Option C. -> titin
Answer: (c).titin
Question 97. Which of following was longest eon?
  1.    Phanerozoic eon
  2.    hadean
  3.    Archaean
  4.    Proterozoic
 Discuss Question
Answer: Option D. -> Proterozoic
Answer: (d).Proterozoic
Question 98. Cell in which an endosymbiont life is called
  1.    host cell
  2.    hold cell
  3.    control cell
  4.    replicative cell
 Discuss Question
Answer: Option A. -> host cell
Answer: (a).host cell
Question 99. For how many billion years first three eons lasted?
  1.    1
  2.    2
  3.    3
  4.    4
 Discuss Question
Answer: Option D. -> 4
Answer: (d).4
Question 100. What is rate of movement of continents per year?
  1.    few mm per year
  2.    few cm per year
  3.    few meters per year
  4.    1 km/year
 Discuss Question
Answer: Option B. -> few cm per year
Answer: (b).few cm per year

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