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MCQs

Total Questions : 154 | Page 10 of 16 pages
Question 91. Which of the following is a polar derivative of cholesterol?
  1.    Bile salt
  2.    Oestrogen
  3.    Vitamin D
  4.    Progesterone
 Discuss Question
Answer: Option A. -> Bile salt
Answer: (a).Bile salt
Question 92. Which of the following fatty acid has the least melting point?
  1.    Palmitic acid
  2.    Stearic acid
  3.    Arachidonic acid
  4.    Timnodonic acid
 Discuss Question
Answer: Option D. -> Timnodonic acid
Answer: (d).Timnodonic acid
Question 93. Micelles of fatty acids in water are organized such that the __________ faces the solvent and the __________ are directed toward the interior
  1.    carboxylic acid groups, hydrocarbon chains heads
  2.    hydrophilic heads, hydrophobic tails
  3.    hydrocarbon chains, carboxylic acid groups
  4.    both (a) and (b)
 Discuss Question
Answer: Option D. -> both (a) and (b)
Answer: (d).both (a) and (b)
Question 94. Which of the following is an essential fatty acid?
  1.    Linolenic
  2.    Palmitic
  3.    Oleic
  4.    Stearic
 Discuss Question
Answer: Option A. -> Linolenic
Answer: (a).Linolenic
Question 95. Which of the following phospholipids is a component of inner mitochondrial membrane?
  1.    Plasmologen
  2.    Cephalin
  3.    Lecithin
  4.    Cardiolipin
 Discuss Question
Answer: Option D. -> Cardiolipin
Answer: (d).Cardiolipin
Question 96. Platelet activating factor stimulates the release of which of the following compounds?
  1.    Vasopressin
  2.    Serotonin
  3.    Adrenaline
  4.    Cortisol
 Discuss Question
Answer: Option B. -> Serotonin
Answer: (b).Serotonin
Question 97. Which of the following group of membrane lipids predominate in plant cells?
  1.    Galactolipids
  2.    Sphingolipids
  3.    Glycerophospholipids
  4.    Archaebacterial ether lipids
 Discuss Question
Answer: Option A. -> Galactolipids
Answer: (a).Galactolipids
Question 98. In which of the following glycerophospholipids two phosphatidic acids share single glycerol?
  1.    Cardiolipin
  2.    Phosphatidylserine
  3.    Phosphatidylinositol
  4.    Phosphatidylcholine
 Discuss Question
Answer: Option A. -> Cardiolipin
Answer: (a).Cardiolipin
Question 99. Which of the following membrane lipids have a direct glycosidic linkage between the head-group sugar and the backbone glycerol?
  1.    Glycolipids
  2.    Phospholipids
  3.    Sphingolipids
  4.    Ether lipids
 Discuss Question
Answer: Option A. -> Glycolipids
Answer: (a).Glycolipids
Question 100. What leads to the activation of protein kinase C?
  1.    Release of intracellular Ca⁺² + diacylglycerol
  2.    Release of intracellular Mg⁺ + diacylglycerol
  3.    Release of intracellular Ca⁺² + glycerol
  4.    Release of intracellular Ca⁺² + triacylglycerol
 Discuss Question
Answer: Option A. -> Release of intracellular Ca⁺² + diacylglycerol
Answer: (a).Release of intracellular Ca⁺² + diacylglycerol

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