1. An example of a hydroxy fatty acid is
(A) Ricinoleic acid
(B) Crotonic acid
(C) Butyric acid
(D) Oleic acid
Answer:(A) Ricinoleic acid
2. An example of a saturated fatty acid is
(A) Palmitic acid
(B) Oleic acid
(C) Linoleic acid
(D) Erucic acid
Answer:(A) Palmitic 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
Answer:(C) Wax
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
Answer:(C) Linolenic acid
5. Essential fatty acid:
(A) Linoleic acid
(B) Linolenic acid
(C) Arachidonic acid
(D) All these
Answer:(D) All these
6. The fatty acid present in cerebrosides is
(A) Lignoceric acid
(B) Valeric acid
(C) Caprylic acid
(D) Behenic acid
Answer:(A) Lignoceric acid
7. The number of double bonds in arachidonic acid is
(A) 1
(B) 2
(C) 4
(D) 6
Answer:(C) 4
8. In humans, a dietary essential fatty acid is
(A) Palmitic acid
(B) Stearic acid
(C) Oleic acid
(D) Linoleic acid
Answer:(D) Linoleic acid
9. A lipid containing alcoholic amine residue is
(A) Phosphatidic acid
(B) Ganglioside
(C) Glucocerebroside
(D) Sphingomyelin
Answer:(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
Answer:(B) Glycerol, fatty acids, phosphoric acid and ethanolamine
11. In mammals, the major fat in adipose tissues is
(A) Phospholipid
(B) Cholesterol
(C) Sphingolipids
(D) Triacylglycerol
Answer:(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
Answer:(A) Ceramide with one or more sugar residues
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
Answer:(B) Both polar and nonpolar groups
14. In neutral fats, the unsaponifiable matter includes
(A) Hydrocarbons
(B) Triacylglycerol
(C) Phospholipids
(D) Cholesterol
Answer:(A) Hydrocarbons
15. Higher alcohol present in waxes is
(A) Benzyl
(B) Methyl
(C) Ethyl
(D) Cetyl
Answer:(D) Cetyl
16. Kerasin consists of
(A) Nervonic acid
(B) Lignoceric acid
(C) Cervonic acid
(D) Clupanodonic acid
Answer:(B) Lignoceric acid
17. Gangliosides are complex glycosphingolipids found in
(A) Liver
(B) Brain
(C) Kidney
(D) Muscle
Answer:(B) Brain
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
Answer:(D) Timnodonic acid
19. Phospholipid acting as surfactant is
(A) Cephalin
(B) Phosphatidylinositol
(C) Lecithin
(D) Phosphatidylserine
Answer:(C) Lecithin
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
Answer:(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
Answer:(C) Tocopherol
22. Gangliosides derived from glucosylceramide contain in addition one or more molecules of
(A) Sialic acid
(B) Glycerol
(C) Diacylglycerol
(D) Hyaluronic acid
Answer:(A) Sialic 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
Answer:(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
Answer:(C) Peroxidation of lipids
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
Answer:(A) Reichert-Meissel number
26. Molecular formula of cholesterol is
(A) C27H45OH
(B) C29H47OH
(C) C29H47OH
(D) C23H41OH
Answer:(A) C27H45OH
27. The cholesterol molecule is
(A) Benzene derivative
(B) Quinoline derivative
(C) Steroid
(D) Straight chain acid
Answer:(C) Steroid
28. Salkowski test is performed to detect
(A) Glycerol
(B) Cholesterol
(C) Fatty acids
(D) Vitamin D
Answer:(B) Cholesterol
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
Answer:(B) Lanoline
30. Dietary fats after absorption appear in the circulation as
(A) HDL
(B) VLDL
(C) LDL
(D) Chylomicron
Answer:(D) Chylomicron
