Lipids Exam Based Questions Flashcards
1.) The nitrogenous base present in lecithin is :
A) Ethanolamine
B) Inositol
C)Serine
D) Choline
D) Choline
2.) The number of double bonds present in arachidonic acid is:
A) 1
B) 2
C) 3
D) 4
D) 4
3.) Which of the following is an an amphipathic lipid?
A) Phospholipid
B) Fatty acid
C) Bile salts
D) All three
A) Phospholipid
4) what is the name of the test employed to check the adulteration of butter:
A) Iodine number
B) Saponification number
C) Zak’s method
D) Reichert-Melissa number
A) Iodine number
5.) All of the following alcohol are present in phospholipids except:
A) Sphingosine
B) Inositol
C) Mannitol
D) Glycerol
C) Mannitol
6.) Which of the following is not a phospholipid?
A) Plasmalogen
B) Lecithin
C) Sphingomyelin
D) Ganglioside
D) Ganglioside
7.) Which of the following is an essential fatty acid?
A) Oleic acid
B) Arachidic acid
C) Linoleic acid
D) Palmitic acid
A) Oleic acid
8.) Sphingomyelin contains which of the following components?
A) Glycerol, phosphoric acid, 2 fatty acids and choline
B) Sphingosine, phosphoric acid, 1 fatty acid and choline
C) Sphingosine, phosphoric acid and 2 fatty acid
D) Glycerol, phosphoric acid and 2 fatty acids
B) Sphingosine, phosphoric acid, 1 fatty acid and choline
9.) Which plasma lipoprotein which is the least dense?
A) VLDL
B) LDL
C) HDL
D) Chylomicron
A) VLDL
10.) The plasma lipoprotein which moves fastest towards the anode during electrophoresis is:
A) VLDL
B) LDL
C) HDL
D) Chylomicron
C) HDL
11.) The polysaturated fatty acids (PUFA) are richly present in:
A) sunflower oil
B) Butter
C) Ghee
D) Coconut oil
A) Sunflower oil
12.) The deficiency of which phospholipid causes respiratory distress syndrome:
A) Cardiolipin
B) Phosphatidic acid
C) Dipalmitoyl lecithin
D) Cephalins
C) Dipalmitoyl lecithin
13.) Triglycerides have:
A) One saturated and two unsaturated fatty acids
B) Glycerol and three unsaturated fatty acid
C) Three saturated fatty acid and glycerol as the backbone
D) Two saturated and one unsaturated fatty acid
D) Two saturated and one unsaturated fatty acid
14.) Phospholipids consist of :
A) Glycerol and fatty Esther’s
B) Alcohol, cholesterol and phosphoric acid
C) Alcohol, phosphoric acid, fatty acids and a nitrogenous base
D) Alcohol, fatty acids no a nitrogenous base
C) Alcohol, phosphoric acid, fatty acids and a nitrogenous base
15.) All of the following are true about lecithin except:
A) It has both saturated and unsaturated fatty acids
B) Dipalmitol lecithin is a lung surfactant
C) Presence of Dipalmitoyl lecithin in premature infants may produce respiratory distress syndrome
D) Present in brain and nervous tissue
C) Presence of Dipalmitoyl lecithin in premature infants may produce respiratory distress syndrome
16.) Phosphatidyl inositol:
A) Is absent in the cell membrane
B) Consists of glycerol and phosphatidic acid
C) Has antigenic properties
D) Acts as a second messenger for hormonal action
D) Acts as a second messenger for hormonal action