Biology Multiple Choice Questions and Answers for Different Competitive Exams

Multiple Choice Questions on Classification of Lipids

MCQ on Classification of Lipids

Multiple Choice Questions on Classification of Lipids

1. Which of the following is a non-glyceride lipid?

a) Phospholipids

b) Fats

c) Oils

d) Waxes

This is a short 8 minute summary on Classification of Lipids

2. Which of the following is true regarding saturated fatty acids?

a) double bonds are absent

b) loosely packed

c) low melting point

d) liquid at room temperatures


3. Which of the following is highly recommended for consumption as part of a healthy diet?

a) saturated fatty acid

b) cis-unsaturated fatty acid

c) Trans unsaturated fatty acid

d) cis saturated fatty acids


4. Low water solubility of fatty acids is due to?

a)  the long fatty acid chains

b) less number of double bonds

c) both a and b

d) more number of double bonds


5. A triglyceride is made up of

a) 3 fatty acids joined to 1 glycerol by ester linkage

b) 1 fatty acid joined to 3 glycerol by ester linkage

c) 3 fatty acids joined to 1 glycerol by ether linkage

d) 2 fatty acids and 1 phophate joined to 1 glycerol by ester linkage


6. A phospholipid consists of a

a) polar phosphate hydrophilic tail group and hydrophobic fatty acid head

b) non-polar phosphate containing head group and polar fatty acid tail

c) polar phosphate containing hydrophilic head group and hydrophobic fatty acid tail

d) non-polar phosphate containing head group and non-polar fatty acid tail


7. A phospholipid consists of

a) 3 Fatty acid+ 1 Glycerol + phosphate group

b) 2 Fatty acid+ 1 Glycerol + phosphate group + attached alcohol

c) 1 Fatty acid+ 3 Glycerol + phosphate group

d) 2 Fatty acid+ 1 Glycerol + phosphate group


8. Which of the following statement is true regarding waxes?

a) made up of long fatty acid chains esterified to long-chain alcohols

b) hydrophobic in nature

c) Present on leaf surface and bird feathers

d) all of the above


9. Sphingolipids are similar to phospholipids, except glycerol backbone is replaced by

a) Choline

b) sphingosine

c) fatty acid

d) phosphate


10. Steroids consists of

a) 17 C atoms in four fused rings: 3 cyclohexane rings and 1 cyclopentane ring

b) 16 C atoms in four fused rings: 3 cyclohexane rings and one cyclopentane ring

c) 17 C atoms in four unfused rings: 3 cyclohexane rings and 1 cyclopentane ring

d) 17 C atoms in four fused rings: 1 cyclohexane rings and 3 cyclopentane ring


11. The polar head group of sphingomyelin is

a) phosphoserine

b) phosphocholine

c) phosphoethanolamine

d) phosphate


12. Glycolipids are

a) Sugar lipid complexes joined by glycosidic bond

b) protein lipid complexes joined by peptide bond

c) Sugar protein complexes joined by glycosidic bond

d) Sugar lipid complexes joined by ester bond 


13. Which of the following is an example of lipoproteins?

a) LDL

b) VLDL

c) Chylomicron

d) all of the above 

Try More

 MCQ on Electron Transport Chain

Answers:

1. d) Waxes

2. a) double bonds are absent

3. b) cis-unsaturated fatty acid

4. c) both a and b

5. a) 3 fatty acids joined to 1 glycerol by ester linkage

6. c) polar phosphate containing hydrophilic head group and hydrophobic fatty acid tail

7. b) 2 Fatty acid+ 1 Glycerol + phosphate group + attached alcohol

8. d) all of the above

9. b) sphingosine

10. a) 17 C atoms in four fused rings: 3 cyclohexane rings and 1 cyclopentane ring

11. b) phosphocholine

12. a) Sugar lipid complexes joined by glycosidic bond

13. d) all of the above 

 

 


Sharing is Caring ..... Please take 5 seconds to Share. Thank you...

0 comments:

© MCQ Biology - Learning Biology through MCQs, AllRightsReserved. ***Best viewed in Google Chrome and Mozilla firefox***

Maintained by BE4U