Fats Biochemistry Set 1

Test Your Knowledge and master Biochemistry

/25

Biochemistry (Fats And Fatty Acid Metabolism Set 1)

1 / 25

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

A) Rapeseed oil

B) Lanoline

C) Elaidic oil

D) Chaulmoogric oil

2 / 25

The fatty acid present in cerebrosides is

A) Valeric acid

B) Lignoceric acid

C) Caprylic acid

D) Behenic acid

3 / 25

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

A) Phosphoric acid

B) Glycerol

C) Fatty acids

D) Both polar and nonpolar groups

4 / 25

Kerasin consists of

A) Clupanodonic acid

B) Cervonic acid

C) Lignoceric acid

D) Nervonic acid

5 / 25

Cephalin consists of

A) Glycerol, fatty acids, phosphoric acid and inositol

B) Glycerol, fatty acids, phosphoric acid and choline

C) Glycerol, fatty acids, phosphoric acid and serine

D) Glycerol, fatty acids, phosphoric acid and ethanolamine

6 / 25

Deterioration of food (rancidity) is due to presence of

A) Cholesterol

B) Vitamin E

C) Peroxidation of lipids

D) Phenolic compounds

7 / 25

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

8 / 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) Polenske number

B) Non volatile fatty acid number

C) Acetyl number

D) Reichert-Meissel number

9 / 25

In humans, a dietary essential fatty acid is

A) Oleic acid

B) Stearic acid

C) Linoleic acid

D) Palmitic acid

10 / 25

Glycosphingolipids are a combination of

A) Ceramide with one or more sugar residues

B) Sphingosine with phosphoric acid

C) Glycerol with galactose

D) Sphingosine with galactose

11 / 25

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

12 / 25

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

A) Ergosterol

B) Lead

C) Copper

D) Tocopherol

13 / 25

The number of double bonds in arachidonic acid is

A) 2

B) 6

C) 4

D) 1

14 / 25

Essential fatty acid:

A) All these

B) Arachidonic acid

C) Linolenic acid

D) Linoleic acid

15 / 25

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

A) Elaidic acid

B) Timnodonic acid

C) Clupanodonic acid

D) Cervonic acid

16 / 25

In neutral fats, the unsaponificable matter includes

A) Cholsesterol

B) Phospholipids

C) Hydrocarbons

D) Triacylglycerol

17 / 25

An example of a hydroxy fatty acid is

A) Oleic acid

B) Crotonic acid

C) Butyric acid

D) Ricinoleic acid

18 / 25

In mammals, the major fat in adipose tissues is

A) Phospholipid

B) Cholesterol

C) Sphingolipids

D) Triacylglycerol

19 / 25

A lipid containing alcoholic amine residue is

A) Ganglioside

B) Sphingomyelin

C) Phosphatidic acid

D) Glucocerebroside

20 / 25

Gangliosides are complex glycosphingolipids found in

A) Kidney

B) Brain

C) Muscle

D) Liver

21 / 25

’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

22 / 25

Higher alcohol present in waxes is

A) Benzyl

B) Ethyl

C) Methyl

D) Cetyl

23 / 25

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

A) Diacylglycerol

B) Glycerol

C) Hyaluronic acid

D) Sialic acid

24 / 25

Phospholipid acting as surfactant is

A) Lecithin

B) Phosphatidyl serine

C) Cephalin

D) Phosphatidyl inositol

25 / 25

An example of a saturated fatty acid is

A) Oleic acid

B) Palmitic acid

C) Linoleic acid

D) Erucic acid

Your score is

The average score is 44%

Continue Learning

Vitamins Biochemistry QBank

Test your understanding of carbohydrate metabolism with focused MCQs.

Fats Biochemistry Set 2

Test your understanding of key biochemistry concepts with focused MCQs.

Fats Biochemistry Flashcards

Review essential terms and concepts for quick, effective revision.