Fats And Fatty Acid Metabolism Set 1

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Biochemistry (Fats And Fatty Acid Metabolism Set 1)

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1. Phospholipid acting as surfactant is

A) Phosphatidyl serine

B) Lecithin

C) Phosphatidyl inositol

D) Cephalin

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

A) Tocopherol

B) Copper

C) Lead

D) Ergosterol

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3. 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) Acetyl number

B) Reichert-Meissel number

C) Polenske number

D) Non volatile fatty acid number

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4. The fatty acid present in cerebrosides is

A) Caprylic acid

B) Valeric acid

C) Lignoceric acid

D) Behenic acid

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5. In humans, a dietary essential fatty acid is

A) Stearic acid

B) Palmitic acid

C) Oleic acid

D) Linoleic acid

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6. Gangliosides are complex glycosphingolipids found in

A) Muscle

B) Liver

C) Kidney

D) Brain

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

A) Linolenic acid

B) Lauric acid

C) Palmitic acid

D) Palmitoleic acid

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8. Glycosphingolipids are a combination of

A) Sphingosine with phosphoric acid

B) Sphingosine with galactose

C) Glycerol with galactose

D) Ceramide with one or more sugar residues

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9. An example of a saturated fatty acid is

A) Palmitic acid

B) Erucic acid

C) Linoleic acid

D) Oleic acid

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

A) Sialic acid

B) Diacylglycerol

C) Glycerol

D) Hyaluronic acid

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11. Kerasin consists of

A) Cervonic acid

B) Clupanodonic acid

C) Lignoceric acid

D) Nervonic acid

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12. Higher alcohol present in waxes is

A) Cetyl

B) Benzyl

C) Methyl

D) Ethyl

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13. Essential fatty acid:

A) Arachidonic acid

B) All these

C) Linoleic acid

D) Linolenic acid

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14. The number of double bonds in arachidonic acid is

A) 2

B) 4

C) 6

D) 1

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15. Cephalin consists of

A) Glycerol, fatty acids, phosphoric acid and inositol

B) Glycerol, fatty acids, phosphoric acid and ethanolamine

C) Glycerol, fatty acids, phosphoric acid and choline

D) Glycerol, fatty acids, phosphoric acid and serine

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16. A lipid containing alcoholic amine residue is

A) Sphingomyelin

B) Phosphatidic acid

C) Ganglioside

D) Glucocerebroside

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

A) Elaidic acid

B) Cervonic acid

C) Clupanodonic acid

D) Timnodonic acid

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

A) Elaidic oil

B) Chaulmoogric oil

C) Rapeseed oil

D) Lanoline

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19. In neutral fats, the unsaponificable matter includes

A) Hydrocarbons

B) Cholsesterol

C) Triacylglycerol

D) Phospholipids

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

A) Cephalin

B) Wax

C) Plasmalogen

D) Lipositol

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21. ’Drying oil’, oxidized spontaneously by atmospheric oxygen at ordinary
temperature and forms a hard water proof material is

A) Linseed oil

B) Peanut oil

C) Rape seed oil

D) Coconut oil

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

A) Vitamin E

B) Phenolic compounds

C) Peroxidation of lipids

D) Cholesterol

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

A) Cholesterol

B) Triacylglycerol

C) Phospholipid

D) Sphingolipids

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24. An example of a hydroxy fatty acid is

A) Oleic acid

B) Ricinoleic acid

C) Crotonic acid

D) Butyric acid

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

A) Both polar and nonpolar groups

B) Glycerol

C) Fatty acids

D) Phosphoric acid

Your score is

The average score is 44%

Fats And Fatty Acid Metabolism Set 1

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