Lipids Quiz
By:Mohamed Mamdouh
Lipids Knowledge Quiz
Test your knowledge on lipids with this comprehensive quiz! Designed for students and enthusiasts alike, this quiz covers various aspects of lipids including fatty acids, cholesterol, and their fun
Topics include:
- Fun
ctions of lipids - Types of fatty acids
- Cholesterol metabolism
- Effects of different fats on health
Which one of the following is not a function of fat
Enter in the membrane structure
May have enzymatic activity
Give us energy
Act as thermal insulator
Which one of the following is ω3 fatty acid
Maltose
Phenyl alanine
Glycogen
Linolenic
Which one of the following is Saturated fatty acid
Oleic acid
Linoleic acid
Arachidonic acid
Palmitic acid
Cholesterol is transported from liver to extrahepatic tissues by
LDL
Chylomicrons
VLDL
HDL
The cholesterol serves as the precursor for the following biosynthetic pathways EXCEPT
Bile acid synthesis
Cell membrane sturcture
Vasopressin hormone synthesis
Vitamin D synthesis
Rancidity of lipids of lipid rich food stuffs is due to
Hydrogenation of unsaturated fatty acids
Reduction of fatty acids
Dehydrogenation of saturation fatty acids
Oxidation of fatty acids
Which of the following is false about lipids?
They are either strongly hydrophobic or amphipathic
They are more soluble in water
Extraction of lipids from tissues require organic solvents
They are insoluble in water
Which of these is not a lipid
Fats
Oils
Proteins
Waxes
Which of the following is an essential fatty acid
Linolenic acid
Arachidonic acid
Oleic acid
Palmitic acid
Which of the following is false regarding the function of cholesterol
It enters in the structure of the cell membrane.
Synthesis of bile acids
Synthesis of vitamin C
Synthesis of steroid hormones
Cholesterol has ……. Carbon
30
27
23
25
All the following are poly-unsaturated fatty acids except
Linoleic acid.
Linolenic acid
Oleic acid
Arachidonic acid.
All the following are unsaturated fatty acids except
Linoleic acid
Palmitic acid
Linolenic acid
Oleic acid
Lipids are soluble in:
Water
Alcohol
Mercury
Not soluble in any solvent
Which of the following is a monounsaturated fatty acid
Palmitic acid
Linoleic acid
Linolenic acid
Palmitoleic acid
Which of the following is saturated fatty acid
Palmitic acid
Linoleic acid
Linolenic acid
Palmitoleic acid
Which of the following is an omega 6 polyunsaturated fatty acid
Palmitic acid
Linoleic acid
Linolenic acid
Palmitoleic acid
Which of the following is an omega 3 polyunsaturated fatty acid
Palmitic acid
Linoleic acid
Linolenic acid
Palmitoleic acid
Which of the following is the source of prostaglandins and thromboxane
Linolenic acid
Arachidonic acid
Palmitic acid
Steric acid
Which of the following is the source of docosahexaenoic acid
Linolenic acid
Arachidonic acid
Palmitic acid
Steric acid
The following fatty acid is an unsaturated fat but behaves as saturated fats
ω3 fatty acid
ω6 fatty acid
Trans fatty acid
Cis fatty acid
Arachidonic acid (20:4) is a
Saturated fatty acid
Monounsaturated fatty acid
Polyunsaturated fatty acid with 4 double bonds
Polyunsaturated fatty acid with 20 double bonds
Eicosapentaenoic (20C:5Ω) is a
Saturated fatty acid
Monounsaturated fatty acid
Polyunsaturated fatty acid with 5 double bonds
Polyunsaturated fatty acid with 20 double bonds
An example of Essential fatty acid
Linolenic acid
Palmitic acid
Palmitoleic acid
Steric acid
The effect of trans fat on plasma lipoproteins is
� LDL↓ HDL
� LDL↓ HDL
No effect on LDL and HDL
� LDL↑ HDL
The effect of Monounsaturated on plasma lipoproteins is
� LDL↓ HDL
� LDL↑ HDL
No effect on LDL and HDL
� LDL↑ HDL
The effect of Polyunsaturated Ω6 on plasma lipoproteins is
� LDL↓ HDL
� LDL↑ HDL
No effect on LDL and HDL
� LDL↓ HDL
The effect of Polyunsaturated Ω3 on plasma lipoproteins is:
� LDL↓ HDL
� LDL↑ HDL
Little effect on LDL and HDL
� LDL↓ HDL
The effect of saturated fat on plasma lipoproteins is:
� LDL
� HDL
� LDL
� HDL
Bile acid is derived from
Cholesterol
Amino acids
Fatty acids
Bilirubin
Eskimos have low susceptibility of heart disease because they have high intake of
ω3 fatty acids
ω6 fatty acids
Trans fatty acids
Saturated fatty acids
The storage from inside the cell and Complete insoluble
Cholesterol
Cholesterol ester
Fats
Bile
Found Free from 1/3 in blood
Cholesterol
Cholesterol ester
Fats
Bile
Found Ester from 2/3 in blood
Cholesterol
Cholesterol ester
Fats
Bile
Are carried by the plasma in form of HDL and LDL
A)cholesterol
B)Cholesterol ester
C)Bile
Both A,B
Are complex of lipids and specific proteins
Apoprotein
Apolipoprotein
Chylomicrons
All of the above
Transport water insoluble lipid in the plasma in or out tissues
Cholesterol
Cholesterol ester
Bile
Lipoprotein
Formed during hydrogenation of liquid vegetable oils like in margraine
Saturated fatty acid
Monounsaturated
Polyunsaturated
Trans fatty acids
Is needed for the brain & retina
Eicosapentaenoic
Docosahexaenoic
Arachidonic acid
Trans fatty acids
Its deficiency leads to retinits pigmentosa
Eicosapentaenoic
Docosahexaenoic
Arachidonic acid
Trans fatty acids
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