Fats And Fatty Acid Metabolism Set 1

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Biochemistry (Fats And Fatty Acid Metabolism Set 1)

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1. Unpleasant odours and taste in a fat (rancidity) can be delayed or prevented by the addition of

A) Ergosterol

B) Lead

C) Tocopherol

D) Copper

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2. A lipid containing alcoholic amine residue is

A) Ganglioside

B) Glucocerebroside

C) Sphingomyelin

D) Phosphatidic acid

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3. Deterioration of food (rancidity) is due to presence of

A) Cholesterol

B) Phenolic compounds

C) Vitamin E

D) Peroxidation of lipids

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4. An example of a saturated fatty acid is

A) Oleic acid

B) Palmitic acid

C) Erucic acid

D) Linoleic acid

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5. Phospholipid acting as surfactant is

A) Lecithin

B) Cephalin

C) Phosphatidyl inositol

D) Phosphatidyl serine

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6. An example of a hydroxy fatty acid is

A) Ricinoleic acid

B) Crotonic acid

C) Butyric acid

D) Oleic acid

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7. Kerasin consists of

A) Nervonic acid

B) Lignoceric acid

C) Clupanodonic acid

D) Cervonic acid

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8. The number of double bonds in arachidonic acid is

A) 6

B) 1

C) 2

D) 4

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9. Cephalin consists of

A) Glycerol, fatty acids, phosphoric acid and serine

B) Glycerol, fatty acids, phosphoric acid and choline

C) Glycerol, fatty acids, phosphoric acid and inositol

D) Glycerol, fatty acids, phosphoric acid and ethanolamine

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10. The fatty acid present in cerebrosides is

A) Caprylic acid

B) Behenic acid

C) Valeric acid

D) Lignoceric acid

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11. Essential fatty acid:

A) Arachidonic acid

B) Linolenic acid

C) All these

D) Linoleic acid

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12. In neutral fats, the unsaponificable matter includes

A) Phospholipids

B) Hydrocarbons

C) Cholsesterol

D) Triacylglycerol

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13. ’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) Linseed oil

D) Rape seed oil

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14. 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) Polenske number

B) Reichert-Meissel number

C) Non volatile fatty acid number

D) Acetyl number

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15. Glycosphingolipids are a combination of

A) Sphingosine with galactose

B) Sphingosine with phosphoric acid

C) Ceramide with one or more sugar residues

D) Glycerol with galactose

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16. If the fatty acid is esterified with an alcohol of high molecular weight instead of glycerol, the resulting compound is

A) Plasmalogen

B) Cephalin

C) Lipositol

D) Wax

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17. In mammals, the major fat in adipose tissues is

A) Sphingolipids

B) Triacylglycerol

C) Phospholipid

D) Cholesterol

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18. In humans, a dietary essential fatty acid is

A) Linoleic acid

B) Palmitic acid

C) Stearic acid

D) Oleic acid

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19. Unsaturated fatty acid found in the cod liver oil and containing 5 double bonds is

A) Elaidic acid

B) Cervonic acid

C) Timnodonic acid

D) Clupanodonic acid

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20. Gangliosides derived from glucosylceramide contain in addition one or more
molecules of

A) Glycerol

B) Diacylglycerol

C) Sialic acid

D) Hyaluronic acid

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21. An oil which contains cyclic fatty acids and once used in the treatment of leprosy is

A) Lanoline

B) Chaulmoogric oil

C) Rapeseed oil

D) Elaidic oil

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22. Higher alcohol present in waxes is

A) Cetyl

B) Ethyl

C) Methyl

D) Benzyl

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23. A fatty acid which is not synthesized in the body and has to be supplied in the diet is

A) Lauric acid

B) Palmitic acid

C) Palmitoleic acid

D) Linolenic acid

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24. Gangliosides are complex glycosphingolipids found in

A) Kidney

B) Brain

C) Muscle

D) Liver

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25. The importance of phospholipids as constituent of cell membrane is because they possess

A) Fatty acids

B) Both polar and nonpolar groups

C) Phosphoric acid

D) Glycerol

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Fats And Fatty Acid Metabolism Set 1

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