Fats And Fatty Acid Metabolism Set 1

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Biochemistry (Fats And Fatty Acid Metabolism Set 1)

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

A) Both polar and nonpolar groups

B) Fatty acids

C) Phosphoric acid

D) Glycerol

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2. In humans, a dietary essential fatty acid is

A) Oleic acid

B) Palmitic acid

C) Linoleic acid

D) Stearic acid

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

A) Peroxidation of lipids

B) Phenolic compounds

C) Cholesterol

D) Vitamin E

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4. The number of double bonds in arachidonic acid is

A) 1

B) 6

C) 4

D) 2

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

A) Clupanodonic acid

B) Timnodonic acid

C) Elaidic acid

D) Cervonic acid

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6. Higher alcohol present in waxes is

A) Cetyl

B) Methyl

C) Benzyl

D) Ethyl

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7. A lipid containing alcoholic amine residue is

A) Ganglioside

B) Glucocerebroside

C) Sphingomyelin

D) Phosphatidic acid

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8. Essential fatty acid:

A) Linolenic acid

B) Linoleic acid

C) All these

D) Arachidonic acid

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9. Phospholipid acting as surfactant is

A) Phosphatidyl serine

B) Cephalin

C) Lecithin

D) Phosphatidyl inositol

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10. Kerasin consists of

A) Lignoceric acid

B) Cervonic acid

C) Clupanodonic acid

D) Nervonic acid

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11. 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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12. An example of a hydroxy fatty acid is

A) Ricinoleic acid

B) Oleic acid

C) Butyric acid

D) Crotonic acid

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13. The fatty acid present in cerebrosides is

A) Behenic acid

B) Valeric acid

C) Caprylic acid

D) Lignoceric acid

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14. In neutral fats, the unsaponificable matter includes

A) Hydrocarbons

B) Phospholipids

C) Cholsesterol

D) Triacylglycerol

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

A) Hyaluronic acid

B) Glycerol

C) Sialic acid

D) Diacylglycerol

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16. An example of a saturated fatty acid is

A) Erucic acid

B) Palmitic acid

C) Linoleic acid

D) Oleic acid

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17. 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) Non volatile fatty acid number

C) Reichert-Meissel number

D) Acetyl number

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

A) Sphingolipids

B) Cholesterol

C) Phospholipid

D) Triacylglycerol

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

A) Peanut oil

B) Linseed oil

C) Rape seed oil

D) Coconut oil

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

A) Rapeseed oil

B) Chaulmoogric oil

C) Elaidic oil

D) Lanoline

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21. Cephalin consists of

A) Glycerol, fatty acids, phosphoric acid and choline

B) Glycerol, fatty acids, phosphoric acid and inositol

C) Glycerol, fatty acids, phosphoric acid and serine

D) Glycerol, fatty acids, phosphoric acid and ethanolamine

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

A) Lead

B) Ergosterol

C) Copper

D) Tocopherol

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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) Linolenic acid

C) Palmitoleic acid

D) Palmitic acid

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

A) Wax

B) Plasmalogen

C) Cephalin

D) Lipositol

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25. Gangliosides are complex glycosphingolipids found in

A) Brain

B) Muscle

C) Kidney

D) Liver

Your score is

The average score is 44%

Fats And Fatty Acid Metabolism Set 1

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