Q.1
Which of the following acts as a passive electrical insulator?
  • a) Myelin sheath
  • b) Plasma membrane
  • c) Inner mitochondrial membrane
  • d) Outer mitochondrial membrane
Q.2
Which of the following membranes contain low cholesterol and high cardiolipin?
  • a) Myelin sheath
  • b) Plasma membrane
  • c) Inner mitochondrial membrane of hepatocyte
  • d) Cell wall
Q.3
Which of the following is important in signal transduction triggered by hormones?
  • a) Phosphatidylinositol and its derivatives
  • b) Phosphatidylserine and its derivatives
  • c) Phosphatidylglycerol and its derivatives
  • d) Phosphatidylethanolamine
Q.4
Which of the following are the major component of chloroplast membrane of plants and are absent from animal cells?
  • a) Glycolipids
  • b) Phospholipids
  • c) Ether lipids
  • d) Triacylglycerols
Q.5
How many types of lipid aggregates are formed when amphipathic lipids are mixed with water?
  • a) 1
  • b) 2
  • c) 3
  • d) 4
Q.6
Which of the following types of lipid aggregates has maximum stability?
  • a) Micelles
  • b) Bilayer
  • c) Liposome
  • d) Myelin sheath
Q.7
When cross sectional area of the head group and acyl side chain is similar, which of the following lipid aggregates formation is favored?
  • a) Micelles
  • b) Bilayer
  • c) Liposome
  • d) Myelin sheath
Q.8
When cross sectional area of the head group is greater than that of the acyl side chain, which of the following lipid aggregates formation is favored?
  • a) Micelles
  • b) Bilayer
  • c) Liposome
  • d) Myelin sheath
Q.9
Which of the following is choline containing lipid?
  • a) Sphingomyelin
  • b) Phosphatidylserine
  • c) Phosphatidylglycerol
  • d) Phosphatidylethanolamine
Q.10
A platelet is able to play its role in the formation of blood clot when one of the glycerophospholipids in the plasma membrane moves into the outer leaflet.
  • a) Phosphatidylserine
  • b) Phosphatidylethanolamine
  • c) Phosphatidylinositol
  • d) Phosphatidylglycerol
Q.11
Which of the following glycerophospholipids is not common in inner leaflet (cytoplasmic)?
  • a) Phosphatidylserine
  • b) Phosphatidylethanolamine
  • c) Phosphatidylinositol
  • d) Phosphatidylcholine
Q.12
Which of the following has high lipid content?
  • a) Myelin sheath
  • b) Plasma membrane
  • c) Inner mitochondrial membrane
  • d) Outer mitochondrial membrane
Q.13
Plasma membrane is permeable to __________
  • a) ATP
  • b) Glucose
  • c) K+
  • d) Urea
Q.14
How are the intrinsic proteins in cell membrane distributed?
  • a) Uniform
  • b) Random
  • c) Symmetric
  • d) Asymmetric
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