Fats And Fatty Acid Metabolism Set 1

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Biochemistry (Fats And Fatty Acid Metabolism Set 1)

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1. 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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2. Deterioration of food (rancidity) is due to presence of

A) Peroxidation of lipids

B) Cholesterol

C) Vitamin E

D) Phenolic compounds

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3. The fatty acid present in cerebrosides is

A) Behenic acid

B) Lignoceric acid

C) Caprylic acid

D) Valeric acid

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4. In humans, a dietary essential fatty acid is

A) Palmitic acid

B) Oleic acid

C) Stearic acid

D) Linoleic acid

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5. An example of a saturated fatty acid is

A) Erucic acid

B) Linoleic acid

C) Oleic acid

D) Palmitic acid

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6. Glycosphingolipids are a combination of

A) Ceramide with one or more sugar residues

B) Sphingosine with galactose

C) Glycerol with galactose

D) Sphingosine with phosphoric acid

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7. An example of a hydroxy fatty acid is

A) Ricinoleic acid

B) Butyric acid

C) Oleic acid

D) Crotonic acid

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8. The number of double bonds in arachidonic acid is

A) 4

B) 2

C) 6

D) 1

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9. 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

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10. Gangliosides are complex glycosphingolipids found in

A) Liver

B) Brain

C) Muscle

D) Kidney

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

A) Plasmalogen

B) Lipositol

C) Cephalin

D) Wax

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

A) Both polar and nonpolar groups

B) Fatty acids

C) Glycerol

D) Phosphoric acid

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13. Kerasin consists of

A) Nervonic acid

B) Clupanodonic acid

C) Lignoceric acid

D) Cervonic acid

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14. A lipid containing alcoholic amine residue is

A) Ganglioside

B) Sphingomyelin

C) Glucocerebroside

D) Phosphatidic acid

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15. 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) Non volatile fatty acid number

B) Acetyl number

C) Reichert-Meissel number

D) Polenske number

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

A) Hyaluronic acid

B) Sialic acid

C) Diacylglycerol

D) Glycerol

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17. Essential fatty acid:

A) All these

B) Arachidonic acid

C) Linolenic acid

D) Linoleic acid

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18. 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

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19. ’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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20. Phospholipid acting as surfactant is

A) Phosphatidyl inositol

B) Cephalin

C) Phosphatidyl serine

D) Lecithin

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21. Higher alcohol present in waxes is

A) Ethyl

B) Methyl

C) Benzyl

D) Cetyl

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

A) Triacylglycerol

B) Cholesterol

C) Phospholipid

D) Sphingolipids

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23. In neutral fats, the unsaponificable matter includes

A) Triacylglycerol

B) Cholsesterol

C) Hydrocarbons

D) Phospholipids

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

A) Clupanodonic acid

B) Timnodonic acid

C) Cervonic acid

D) Elaidic acid

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25. Cephalin consists of

A) Glycerol, fatty acids, phosphoric acid and inositol

B) Glycerol, fatty acids, phosphoric acid and serine

C) Glycerol, fatty acids, phosphoric acid and choline

D) Glycerol, fatty acids, phosphoric acid and ethanolamine

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Fats And Fatty Acid Metabolism Set 1

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