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MCQS ON LIPIDS
Dr. RUCHIKA YADU
Q1. THE FATS AND OILS ARE RESPECTIVELY RICH IN
a) Unsaturated fatty acids
b) Saturated fatty acids
c) Saturated and unsaturated fatty acids
d) None of these
Q2. ESSENTIAL FATTY ACIDS ARE
a) Linoleic acid
b) Arachidonic acid
c) Linolenic acid
d) All of these
Q3.GLYCOSPHINGOLIPIDS ARE A COMBINATION OF
a) Ceramide with one or more sugar residues
b) Glycerol with galactose
c) Sphingosine with galactose
d) Sphingosine with phosphoric acid
Q4. THE IMPORTANCE OF PHOSPHOLIPIDS ASCONSTITUENT OF CELL MEMBRANE IS BECAUSE THEYPOSSESS
a) Fatty acids
b) Both polar and nonpolar groups
c) Glycerol
d) Phosphoric acid
Q5. GANGLIOSIDES ARE COMPLEXGLYCOSPHINGOLIPIDS FOUND IN
a) Liver
b) Brain
c) Kidney
d) Muscle
Q6. GREATER NUMBER OF CARBON ATOMS IN CHAIN RESULTS IN HIGHER
a) melting point
b) boiling point
c) freezing point
d) stability
Q7. LIPIDS PROVIDE INSULATION AGAINSTCOLD AND HOT WEATHER TO EXOSKELETON OFINSECTS IN FORM OF
a) cutin
b) waxes
c) cholesterol
d) oil
Q8. DERIVATIVES OF PHOSPHATIDIC ACID,WHICH ARE COMPOSED OF GLYCEROL, FATTYACIDS AND PHOSPHORIC ACIDS ARE KNOWN AS
a) phospholipids
b) acylghycerols
c) triglycerides
d) esters
Q9. CEREBROSIDES ARE GLYCOLIPIDS THAT ARE IMPORTANT CONSTITUENT OF
a) Biological membranes
b) Lung
c) Brain
d) bones
Q10.A LIPID IS FORMED BY THE CONDENSATION REACTION BETWEEN
a) Carbon and hydrogen
b) Fatty acid and alcohol
c) Fatty acid and amino acids
d) Fatty acids and amines
Q11. LIPIDS ARE IMPORTANT CONSTITUENT OF
a) Nucleus
b) Ribosomes
c) Both a and b
d) Biological membranes
Q12.WHICH OF THE FOLLOWING IS A DERIVED LIPIDS
a) Fats
b) Oils
c) Steroids
d) waxes
Q13. FATS CONSISTS OF
a) Alcohol linked by ester bonds to 3 fatty acids
b) Glycerol molecule linked by ester bonds to 3 fatty acids
c) Glycerol molecule linked by ester bonds to a fatty acids
d) Glycerol molecule linked by ester bonds to 4 fatty acids
Q14. COMPOUNDS WITH CARBOHYDRATES ALONG WITH FATTY ACIDS ARE CALLED
a) Simple lipids
b) Waxes
c) Glycolipids
d) Phospholipids
Q15. TRIACYLGLYCEROLS ARE
a) soluble in water
b) insoluble in water
c) soluble in water at elevated temperature
d) partially soluble in water
Q16. CHOOSE THE MONOUNSATURATED FATTY ACID
a) Oleic acid
b) Linoleic acid
c) Linolenic acid
d) Stearic acid
Q17. FOR WHICH OF THE FOLLOWINGCOMPOUNDS CHOLESTEROL DOES NOT SERVEAS A PRECURSOR
a) Bile pigments
b) Bile salts
c) Vitamin D
d) Sex hormones
Q18. ALL ARE NON ESSENTIAL FATTY ACIDS EXCEPT
a) Oleic acid
b) Linolenic acid
c) Palmitic acid
d) Stearic acid
Q19. WHICH OF THE FOLLOWING IS FALSE ABOUT LIPIDS?
a) They are either strongly hydrophobic oramphipathic
b) They are more soluble in water
c) Extraction of lipids from tissues require organicsolvents
d) They are insoluble in water
Q20. WHICH OF THE FOLLOWING IS FALSE ABOUT FATTY ACIDS?
a) Melting point of fatty acids decreases withincrease in degree of saturation
b) Lipids in tissues that are subjected to cooling aremore unsaturated
c) Naturally occurring unsaturated long-chain fattyacids are nearly Trans-configuration
d) The membrane lipids contain mostly unsaturatedfatty acids
Q21. WHICH OF THE FOLLOWING IS A STORAGE FORM OF LIPID?
a) Glycolipid
b) Phospholipid
c) Sufolipid
d) Triacyl glycerol
Q22. AN EXAMPLE OF GLYCEROPHOSPHOLIPIDINVOLVED IN CELL SIGNALING IS
a) Cardiolipin
b) Phosphatidic acid
c) Phosphatidylcholine
d) Phosphatidylinositol
Q23 WHICH MOLECULE IS HYDROPHOBIC?
a) Fatty acid
b) Phosphate group
c) Glucose
d) Carboxylate group
Q24. WHICH IS NOT A COMPONENT OF APHOSPHOLIPID?
a) Glycerol
b) Fatty acids
c) Deoxyribose
d) Phosphate group
Q25. WHAT IS A FUNCTION OFPHOSPHOLIPIDS?
a) Being part of a drug delivery system in some pharmaceuticals
b) Regulating cellular activities such as cell migration
c) Forming the cell membrane and the membranes of other organelles in the cell
d) All of the above
Ques. Option Answer
1 C Saturated and unsaturated fatty acids
2 D All of the above
3 A Ceramide with one or more sugar residues
4 B Both polar and nonpolar groups
5 B Brain
6 A melting point7 B waxes
8 A phospholipids
9 C Brain
10 B Fatty acid and alcohol
11 D Biological membranes
12 C Steroids
13 B Glycerol molecule linked by ester bonds to 3 fatty acids
14 C Glycolipids
15 B insoluble in water
16 A Oleic acid17 A Bile pigments
18 B Linolenic acid
19 B They are more soluble in water
20 C Naturally occurring unsaturated long-chain fatty acids are nearly
Trans-configuration21 D Triacyl glycerol
22 D Phosphatidylinositol
23 A Fatty acid
24 C Deoxyribose
25 D All of the above