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MCQs

Total Questions : 93 | Page 5 of 10 pages
Question 41. In citric acid cycle, the number of NADH produced are
  1.    6
  2.    5
  3.    4
  4.    3
 Discuss Question
Answer: Option A. -> 6
Answer: (a).6
Question 42. High levels of NADH will lower the concentration of
  1.    acetate
  2.    dehydrogenase
  3.    oxaloacetate
  4.    carbonate
 Discuss Question
Answer: Option C. -> oxaloacetate
Answer: (c).oxaloacetate
Question 43. ATP and NADH inhibit
  1.    isocitrate hydrogenase
  2.    isocitrate dehydrogenase
  3.    pyruvate dehydrogenase
  4.    pyruvate hydrogenase
 Discuss Question
Answer: Option B. -> isocitrate dehydrogenase
Answer: (b).isocitrate dehydrogenase
Question 44. Ribosomes transcribe mRNA into
  1.    carbohydrate
  2.    protein
  3.    fat
  4.    lipid
 Discuss Question
Answer: Option B. -> protein
Answer: (b).protein
Question 45. Which of following hormone regulates sugar levels in humans?
  1.    estrogen
  2.    ethylene
  3.    progesterone
  4.    insulin
 Discuss Question
Answer: Option D. -> insulin
Answer: (d).insulin
Question 46. Which of following molecules help in long-distance signaling in plants and animals?
  1.    hormones
  2.    glycoproteins
  3.    enzymes
  4.    steroids
 Discuss Question
Answer: Option A. -> hormones
Answer: (a).hormones
Question 47. What is aggregation of bacteria called that is adhered to surface?
  1.    bacterial surface
  2.    plaque
  3.    biofilm
  4.    bio surface
 Discuss Question
Answer: Option C. -> biofilm
Answer: (c).biofilm
Question 48. Regulators in animals that stimulate cells to grow and divide are called
  1.    growth factors
  2.    dividing factors
  3.    growth inducers
  4.    growth enzymes
 Discuss Question
Answer: Option A. -> growth factors
Answer: (a).growth factors
Question 49. Which of following is coded by genes in DNA?
  1.    mRNA
  2.    rRNA
  3.    miRNA
  4.    tRNA
 Discuss Question
Answer: Option A. -> mRNA
Answer: (a).mRNA
Question 50. Which of following hormones is a gas?
  1.    ethylene
  2.    estrogen
  3.    progesterone
  4.    steroids
 Discuss Question
Answer: Option A. -> ethylene
Answer: (a).ethylene

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