Biological Membranes And Transport(Biochemistry > Lipids ) Questions and Answers

Question 1. Out of the following which is not a source of glycerol?
  1.    Adipolysis
  2.    Glycolysis
  3.    Glycogenolysis
  4.    Diet
Explanation:-
Answer: Option C. -> Glycogenolysis
Answer: (c).Glycogenolysis
Question 2. Which of the following fatty acid has 16 carbon atoms?
  1.    Linolenic acid
  2.    Oleic acid
  3.    Palmitic acid
  4.    Stearic acid
Explanation:-
Answer: Option C. -> Palmitic acid
Answer: (c).Palmitic acid
Question 3. Which of the following is a hydroxyl fatty acid?
  1.    Linoleic acid
  2.    Palmitic acid
  3.    Linolenic acid
  4.    Cerebronic acid
Explanation:-
Answer: Option D. -> Cerebronic acid
Answer: (d).Cerebronic acid
Question 4. Which of the following is false about fatty acids?
  1.    Melting point of fatty acids decreases with increase in degree of saturation
  2.    Lipids in tissues that are subjected to cooling are more unsaturated
  3.    Naturally occurring unsaturated long-chain fatty acids are nearly Trans-configuration
  4.    The membrane lipids contain mostly unsaturated fatty acids
Explanation:-
Answer: Option C. -> Naturally occurring unsaturated long-chain fatty acids are nearly Trans-configuration
Answer: (c).Naturally occurring unsaturated long-chain fatty acids are nearly Trans-configuration
Question 5. Out of the following, which is not an essential amino acid?
  1.    Linolic acid
  2.    Linolenic acid
  3.    Arachidic acid
  4.    Arachidonic acid
Explanation:-
Answer: Option C. -> Arachidic acid
Answer: (c).Arachidic acid
Question 6. The number of milligrams of KOH required to neutralize the free and combined fatty acid in one gram of a given fat is called __________
  1.    Saponification number
  2.    Iodine number
  3.    Acid number
  4.    Polenske number
Explanation:-
Answer: Option A. -> Saponification number
Answer: (a).Saponification number
Question 7. Which of the following is a sphingophospholipid?
  1.    Lecithin
  2.    Sphingomyelin
  3.    Plasmolegen
  4.    Cardiolipin
Explanation:-
Answer: Option B. -> Sphingomyelin
Answer: (b).Sphingomyelin
Question 8. Which of the following glycerophospholid acts as a lipotropic agent?
  1.    Cardiolipin
  2.    Phosphatidylserine
  3.    Phosphatidylinositol
  4.    Phosphatidylcholine
Explanation:-
Answer: Option D. -> Phosphatidylcholine
Answer: (d).Phosphatidylcholine
Question 9. Which of the following is a storage form of lipid?
  1.    Glycolipid
  2.    Phospholipid
  3.    Sufolipid
  4.    Triacyl glycerol
Explanation:-
Answer: Option D. -> Triacyl glycerol
Answer: (d).Triacyl glycerol
Question 10. Out of the following, cholesterol does not serve as a precursor for which compounds?
  1.    Vitamin D
  2.    Sex hormones
  3.    Bile salts
  4.    Bile pigments
Explanation:-
Answer: Option D. -> Bile pigments
Answer: (d).Bile pigments
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