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FATS AND FATTY ACID METABOLISM- Part 1
See all quizzes of FATS AND FATTY ACID METABOLISM- Part 1 here:
1. An example of a hydroxy fatty acid is
(A) Ricinoleic acid (B) Crotonic acid
(C) Butyric acid (D) Oleic acid
2. An example of a saturated fatty acid is
(A) Palmitic acid (B) Oleic acid
(C) Linoleic acid (D) Erucic acid
3. If the fatty acid is esterified with an
alcohol of high molecular weight instead
of glycerol, the resulting compound is
(A) Lipositol (B) Plasmalogen
(C) Wax (D) Cephalin
4. A fatty acid which is not synthesized in
the body and has to be supplied in the
diet is
(A) Palmitic acid (B) Lauric acid
(C) Linolenic acid (D) Palmitoleic acid
5. Essential fatty acid:
(A) Linoleic acid (B) Linolenic acid
(C) Arachidonic acid (D) All these
6. The fatty acid present in cerebrosides is
(A) Lignoceric acid (B) Valeric acid
(C) Caprylic acid (D) Behenic acid
7. The number of double bonds in arachidonic
acid is
(A) 1 (B) 2
(C) 4 (D) 6
CHAPTER 4
FATS AND FATTY ACID METABOLISM
8. In humans, a dietary essential fatty acid
is
(A) Palmitic acid (B) Stearic acid
(C) Oleic acid (D) Linoleic acid
9. A lipid containing alcoholic amine residue
is
(A) Phosphatidic acid (B) Ganglioside
(C) Glucocerebroside (D) Sphingomyelin
10. Cephalin consists of
(A) Glycerol, fatty acids, phosphoric acid and
choline
(B) Glycerol, fatty acids, phosphoric acid and
ethanolamine
(C) Glycerol, fatty acids, phosphoric acid and
inositol
(D) Glycerol, fatty acids, phosphoric acid and
serine
11. In mammals, the major fat in adipose
tissues is
(A) Phospholipid (B) Cholesterol
(C) Sphingolipids (D) Triacylglycerol
12. Glycosphingolipids are a combination of
(A) Ceramide with one or more sugar residues
(B) Glycerol with galactose
(C) Sphingosine with galactose
(D) Sphingosine with phosphoric acid
74 MCQs IN BIOCHEMISTRY
13. The importance of phospholipids as
constituent of cell membrane is because
they possess
(A) Fatty acids
(B) Both polar and nonpolar groups
(C) Glycerol
(D) Phosphoric acid
14. In neutral fats, the unsaponificable matter
includes
(A) Hydrocarbons (B) Triacylglycerol
(C) Phospholipids (D) Cholsesterol
15. Higher alcohol present in waxes is
(A) Benzyl (B) Methyl
(C) Ethyl (D) Cetyl
16. Kerasin consists of
(A) Nervonic acid (B) Lignoceric acid
(C) Cervonic acid (D) Clupanodonic acid
17. Gangliosides are complex glycosphingolipids
found in
(A) Liver (B) Brain
(C) Kidney (D) Muscle
18. Unsaturated fatty acid found in the cod
liver oil and containing 5 double bonds is
(A) Clupanodonic acid
(B) Cervonic acid
(C) Elaidic acid
(D) Timnodonic acid
19. Phospholipid acting as surfactant is
(A) Cephalin (B) Phosphatidyl inositol
(C) Lecithin (D) Phosphatidyl serine
20. An oil which contains cyclic fatty acids and
once used in the treatment of leprosy is
(A) Elaidic oil (B) Rapeseed oil
(C) Lanoline (D) Chaulmoogric oil
21. Unpleasant odours and taste in a fat
(rancidity) can be delayed or prevented
by the addition of
(A) Lead (B) Copper
(C) Tocopherol (D) Ergosterol
22. Gangliosides derived from glucosylceramide
contain in addition one or more
molecules of
(A) Sialic acid (B) Glycerol
(C) Diacylglycerol (D) Hyaluronic acid
23. ’Drying oil’, oxidized spontaneously by
atmospheric oxygen at ordinary
temperature and forms a hard water
proof material is
(A) Coconut oil (B) Peanut oil
(C) Rape seed oil (D) Linseed oil
24. Deterioration of food (rancidity) is due to
presence of
(A) Cholesterol
(B) Vitamin E
(C) Peroxidation of lipids
(D) Phenolic compounds
25. The number of ml of N/10 KOH required
to neutralize the fatty acids in the
distillate from 5 gm of fat is called
(A) Reichert-Meissel number
(B) Polenske number
(C) Acetyl number
(D) Non volatile fatty acid number
26. Molecular formula of cholesterol is
(A) C27H45OH
(B) C29H47OH
(C) C29H47OH
(D) C23H41OH
27. The cholesterol molecule is
(A) Benzene derivative
(B) Quinoline derivative
(C) Steroid
(D) Straight chain acid
28. Salkowski test is performed to detect
(A) Glycerol (B) Cholesterol
(C) Fatty acids (D) Vitamin D
29. Palmitic, oleic or stearic acid ester of
cholesterol used in manufacture of
cosmetic creams is
(A) Elaidic oil (B) Lanoline
(C) Spermaceti (D) Chaulmoogric oil
FATS AND FATTY ACID METABOLISM 75
30. Dietary fats after absorption appear in
the circulation as
(A) HDL (B) VLDL
(C) LDL (D) Chylomicron
