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MCQs

Total Questions : 154 | Page 11 of 16 pages
Question 101. Which of the following hormone is responsible for the activation of phospholipase C?
  1.    Serotonin
  2.    Cortisol
  3.    Vasopressin
  4.    Adrenaline
 Discuss Question
Answer: Option C. -> Vasopressin
Answer: (c).Vasopressin
Question 102. Which of the following type structure contains all the three glycosphingolipids?
  1.    B structure
  2.    A structure
  3.    O structure
  4.    AB structure
 Discuss Question
Answer: Option C. -> O structure
Answer: (c).O structure
Question 103. An example of glycerophospholipid involved in cell signaling is __________
  1.    Cardiolipin
  2.    Phosphatidic acid
  3.    Phosphatidylcholine
  4.    Phosphatidylinositol
 Discuss Question
Answer: Option D. -> Phosphatidylinositol
Answer: (d).Phosphatidylinositol
Question 104. Which of the following serves as a specific binding site for the proteins involved in membrane fusion during exocytosis?
  1.    Phosphatidylinositol
  2.    Phosphatidylinositol 4, 5-biphosphate
  3.    Phosphatidylinositol 3, 5-biphosphate
  4.    Phosphatidylinositol 3, 4-biphosphate
 Discuss Question
Answer: Option B. -> Phosphatidylinositol 4, 5-biphosphate
Answer: (b).Phosphatidylinositol 4, 5-biphosphate
Question 105. The lipids with potent bio activities derived from isoprenoid precursors are common in __________
  1.    Vitamin A, K, ubiquinone and dolichol
  2.    Vitamin A, D, ubiquinone and dolichol
  3.    Vitamin A, B, D and K
  4.    Vitamin A, B, K and dolichol
 Discuss Question
Answer: Option A. -> Vitamin A, K, ubiquinone and dolichol
Answer: (a).Vitamin A, K, ubiquinone and dolichol
Question 106. Which of the following is false about lipids?
  1.    They are either strongly hydrophobic or amphipathic
  2.    They are more soluble in water
  3.    Extraction of lipids from tissues require organic solvents
  4.    They are insoluble in water
 Discuss Question
Answer: Option B. -> They are more soluble in water
Answer: (b).They are more soluble in water
Question 107. Which of the following vitamin is responsible for Ca⁺² and phosphate metabolism?
  1.    A
  2.    K
  3.    E
  4.    D
 Discuss Question
Answer: Option D. -> D
Answer: (d).D
Question 108. How many products are obtained by the hydrolysis of phosphatidylinositol by phospholipase C?
  1.    1
  2.    2
  3.    3
  4.    4
 Discuss Question
Answer: Option B. -> 2
Answer: (b).2
Question 109. Which would move faster in thin layer chromatography?
  1.    Beeswax
  2.    Phosphatidylinositol
  3.    Cholesterol
  4.    Steroid
 Discuss Question
Answer: Option A. -> Beeswax
Answer: (a).Beeswax
Question 110. In membranes, lipids are
  1.    glycerophospholipids
  2.    sphingolipids
  3.    sterols
  4.    all of these
 Discuss Question
Answer: Option D. -> all of these
Answer: (d).all of these

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