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FATS AND FATTY ACID METABOLISM- Part 14
See all quizzes of FATS AND FATTY ACID METABOLISM- Part 14 here:
1 Hydrated density of HD lipoproteins is
(A) 0.94 gm/ml
(B) 0.94–1.006 gm/ml
(C) 1.006–1.063 gm/ml
(D) 1.063–1.21 gm/ml
2. Saponification number indicates
(A) Unsaturation in fat
(B) Average M.W of fatty acid
(C) Acetyl number
(D) Acid number
3. Acrolein Test is positive for
(A) Glycerol (B) Prostaglandins
(C) Carbohydrates (D) Proteins
4. Iodine number denotes
(A) Degree of unsaturation
(B) Saponification number
(C) Acid number
(D) Acetyl number
5. Maximum energy produced by
(A) Fats (B) Carbohydrates
(C) Proteins (D) Nucleic acids
6. Lecithins are composed of
(A) Glycerol + Fatty acids + Phosphoric acid +
Choline
(B) Glycerol + Fatty acids + Phosphoric acid +
Ethanolamine
(C) Glycerol + Fatty acids + Phosphoric acid +
Serine
(D) Glycerol + Fatty acids + Phosphoric acid +
Beaine
7. Sphingomyelins are composed of fatty
acids, phosphoric acid and
(A) Sphingosine and choline
(B) Glycerol and sphingosine
(C) Glycerol and Serine
(D) Glycerol and Choline
8. Depot fats of mammalian cells comprise
mostly of
(A) Cholesterol (B) Cholesterol esters
(C) Triacyl glycerol (D) Phospholipids
9. When choline of lecithine is replaced by
ethanolamine the product is
(A) Sphingomyelin (B) Cephalin
(C) Plasmalogens (D) Lysolecithine
10. Which of the following is a hydroxy fatty
acid?
(A) Oleic acid (B) Ricinoleic acid
(C) Caproic acid (D) Stearic acid
11. Acrolein test is answered by
(A) Cholesterol (B) Glycerol
(C) Glycosides (D) Sphingol
12. The smell of fat turned rancid is due to
(A) Presence of vit E (B) Presence of quinones
(C) Phenols (D) Volatile fatty acids
13. Phospholipids are important cell membrane
components because
(A) They have glycerol
(B) They can form bilayers in water
(C) They have both polar and non polar potions
(D) They combine covalently with proteins
14. Which one of the following is not a phospholipid?
(A) Lecithin (B) Plasmalogen
(C) Lysolecithin (D) Gangliosides
15. A fatty acid which is not synthesized in
human body and has to be supplied in
the diet:
(A) Palmitic acid (B) Oleic acid
(C) Linoleic acid (D) Stearic acid
16. In cephalin, choline is replaced by
(A) Serine (B) Ethanolamine
(C) Betaine (D) Sphingosine
17. The triacyl glycerol present in plasma
lipoproteins are hydrolyzed by
(A) Linqual lipase (B) Pancreatic lipase
(C) Colipase (D) Lipoprotein lipase
18. Amphiphatic lipids are
(A) Hydrophilic (B) Hydrophobic
(C) Both (A) and (B) (D) Lipophilic
19. Which of the following is not essential
fatty acid?
(A) Oleic acid (B) Linoleic acid
(C) Arachidonic acid (D) Linolenic acid
20. The calorific value of lipid is
(A) 4.0 Kcal/gm (B) 6.0 Kcal/gm
(C) 9.0 Kcal/gm (D) 15 Kcal/gm
21. Rancidity of butter is prevented by the
addition of
(A) Vitamin D (B) Tocopherols
(C) Presence of priotin (D) Presence of ‘Cu’
22. Sphingomyelins on hydrolysis yields
(A) Glycerol, fatty acids, phosphoric acid and
choline
(B) Glycerol, sphingosine, choline and fatty acids
(C) Sphingosine, phosphoric acid, Glycerol and
inositol
(D) Sphingosine, fatty acids, phosphoric acid and
choline
23. Inherited deficiency of enzyme cerebrosidase
produces
(A) Fabry’s disease
(B) Niemann pick disease
(C) Gaucher’s disease
(D) Tay-sach’s disease
24. Phosphatidic acid on hydrolysis yields
(A) Glycerol, fatty acids, phosphoric acid, choline
(B) Glycerol, fatty acids, phosphoric acid
(C) Glycerol, fatty acids, phosphoric acid,
Glucose
(D) Sphingol, fatty acids, phosphoric acid
25. The maximum number of double bonds
present in essential fatty acid is
(A) 1 (B) 2
(C) 3 (D) 4
26. Cerebrosides are composed of
(A) Sphingosine, fatty acids, glycerol and
phosphoric acid
(B) Sphingosine, fatty acids, galactose
(C) Glycerol, fatty acids, galactose
(D) Glycerol, fatty acids, galactose, sphingol
27. Acetoacetic acid and β-OH butyric acid are
formed as
(A) Kidneys (B) Heart
(C) Liver (D) Intestine
28. Which amino acid is a lipotropic factor?
(A) Lysine (B) Leucine
(C) Tryptophan (D) Methionine
29. The class of lipoproteins having a
beneficial effect in atherosclerosis is
(A) Low density of lipoproteins
(B) very low density lipoproteins
(C) High density lipoproteins
(D) Chylomicrons
30. Cholesterol is the precursor for the biosynthesis
of
(A) fatty acid (B) prostaglandins
(C) bile acids (D) sphingmyelin
