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MCQs

Total Questions : 131 | Page 4 of 14 pages
Question 31. In metabolism, NAD is involved in
  1.    redox reactions
  2.    elimination reaction
  3.    spontaneous reaction
  4.    Non-spontaneous reaction
 Discuss Question
Answer: Option A. -> redox reactions
Answer: (a).redox reactions
Question 32. Proteins that contain nucleic acid derivative of riboflavin are called as
  1.    amino acids
  2.    Flavoproteins
  3.    nucleic acid
  4.    Hemoglobin
 Discuss Question
Answer: Option B. -> Flavoproteins
Answer: (b).Flavoproteins
Question 33. The reduced form of nicotinamide adenine dinucleotide is
  1.    NAD
  2.    NAD+
  3.    NADH
  4.    NADPH
 Discuss Question
Answer: Option C. -> NADH
Answer: (c).NADH
Question 34. Hemiproteins that generate ATP via electron transport chain are called as
  1.    Flavoproteins
  2.    cytochrome
  3.    nucleic acids
  4.    carboxylic acid
 Discuss Question
Answer: Option B. -> cytochrome
Answer: (b).cytochrome
Question 35. The reduced form of NADP+ is
  1.    NAD
  2.    NADPH
  3.    NADH
  4.    AMP
 Discuss Question
Answer: Option B. -> NADPH
Answer: (b).NADPH
Question 36. Stem cells are capable of
  1.    self-renewal
  2.    potency
  3.    both a and b
  4.    Duplication
 Discuss Question
Answer: Option C. -> both a and b
Answer: (c).both a and b
Question 37. For how many million years origin of earth is to be estimated?
  1.    100
  2.    3000
  3.    2000
  4.    4600
 Discuss Question
Answer: Option D. -> 4600
Answer: (d).4600
Question 38. Which of following is richest source of fossils?
  1.    sedimentary rock
  2.    igneous rock
  3.    alluvial soil
  4.    river bed
 Discuss Question
Answer: Option A. -> sedimentary rock
Answer: (a).sedimentary rock
Question 39. Drifting apart of continents due to movements in mantle is called
  1.    continental shifting
  2.    mantle drift
  3.    crust drift
  4.    continental drift
 Discuss Question
Answer: Option D. -> continental drift
Answer: (d).continental drift
Question 40. Continents are part of earth crust that float over which of following?
  1.    igneous rock
  2.    mantle
  3.    core
  4.    lava
 Discuss Question
Answer: Option B. -> mantle
Answer: (b).mantle

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