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MCQs

Total Questions : 169 | Page 12 of 17 pages
Question 111. In a chemical reaction, when alcohol and acid react together releasing a water molecule, compound is formed, named as
  1.    ether
  2.    ester
  3.    enzyme
  4.    glycerol
 Discuss Question
Answer: Option B. -> ester
Answer: (b).ester
Question 112. Transfer of genetic message from nucleus to ribosome in cytoplasm is done by
  1.    mRNA
  2.    tRNA
  3.    rRNA
  4.    nRNA
 Discuss Question
Answer: Option A. -> mRNA
Answer: (a).mRNA
Question 113. In catabolic series of reaction, complex molecules are broken down into smaller molecules releasing
  1.    water
  2.    oxygen
  3.    energy
  4.    nutrients
 Discuss Question
Answer: Option C. -> energy
Answer: (c).energy
Question 114. Molecules which have one or more polypeptide chains in form of fibrils are called
  1.    Fibrous proteins
  2.    globular proteins
  3.    Glandular Tissue
  4.    complex proteins
 Discuss Question
Answer: Option A. -> Fibrous proteins
Answer: (a).Fibrous proteins
Question 115. Basic element of organic compound is
  1.    hydrogen
  2.    carbon
  3.    oxygen
  4.    All of the Above
 Discuss Question
Answer: Option B. -> carbon
Answer: (b).carbon
Question 116. Palmitic acid has a melting point of
  1.    64.1 c
  2.    63.1 c
  3.    6.31 c
  4.    61.3 c
 Discuss Question
Answer: Option B. -> 63.1 c
Answer: (b).63.1 c
Question 117. Ratio of mRNA of a total RNA in cell is
  1.    3-4%
  2.    3-6%
  3.    3-8%
  4.    3%
 Discuss Question
Answer: Option A. -> 3-4%
Answer: (a).3-4%
Question 118. Pyrimidines are composed of cytosine, thiamine and
  1.    guanine
  2.    adenine
  3.    uracil
  4.    all of the above
 Discuss Question
Answer: Option C. -> uracil
Answer: (c).uracil
Question 119. Study of chemical components as well as chemical processes that take place in a living organism is
  1.    Microbiology
  2.    Biochemistry
  3.    Fresh water biology
  4.    Chemical biology
 Discuss Question
Answer: Option B. -> Biochemistry
Answer: (b).Biochemistry
Question 120. Globular proteins are multiple folding of polypeptide chain hence their shape is
  1.    round
  2.    ellipsoidal
  3.    spiral
  4.    double helical
 Discuss Question
Answer: Option B. -> ellipsoidal
Answer: (b).ellipsoidal

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