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Free download in PDF Lipids Multiple Choice Questions & Answers for competitive exams. These Lipids Objective Questions with Answers are important for Board Exams as well as competitive exams like AIIMS, NEET and other Pre-Medical Exams. These short solved questions or quizzes are provided by Gkseries.
(1)
Which of the following molecule can act as molecular chaperons for assisting the folding of proteins?
[A]
Carbohydrates
[B]
Vitamins
[C]
Lipids
[D]
Amides
(2)
Fat storing cells of vertebrates are called
[A]
Hepatocytes
[B]
Asterocytes
[C]
Adipocytes
[D]
Melanocytes
(3)
Main function of preen glands in birds is
[A]
Hormone secretion
[B]
Fatty acid degradation
[C]
Wax secretion
[D]
Pigment synthesis
(4)
Natural lipids are readily soluble in
[A]
Oil
[B]
Mercury
[C]
Water
[D]
None of these
(5)
Choose the monounsaturated fatty acid out of the following-
[A]
Oleic acid
[B]
Linoleic acid
[C]
Linolenic acid
[D]
Stearic acid
(6)
Choose the correct statement about fatty acids out of the following-
[A]
The melting point of fatty acids increases with the increasing degree of unsaturation
[B]
The membrane lipids contain mostly unsaturated fatty acids
[C]
Lipids in tissues that are subject to cooling are more saturated
[D]
Naturally occurring unsaturated long-chain fatty acids are nearly all of the Trans configuration
Answer: The membrane lipids contain mostly unsaturated fatty acids
(7)
Which out of the following enzymes is defective in Gaucher’s disease?
[A]
β- Galactocerebosidase
[B]
Sphingomyelinase
[C]
Hexosaminidase A
[D]
β- Glucocerebrosidase
Answer: β- Glucocerebrosidase
(8)
For which out of the following compounds cholesterol does not serve as a precursor?
[A]
Bile pigments
[B]
Bile salts
[C]
Sex hormones
[D]
Vitamin D
(9)
The normal level of serum Total cholesterol is———–?
[A]
150-220 mg/dl
[B]
100-200 mg/dl
[C]
1.5-2.5g/dl
[D]
20-40 mg/dl
(10)
What are the components of a Galactocerebroside?
[A]
Sphingosine+ fatty acids +Phosphoric acid+ Galactose
[B]
Glycerol +Fatty acids +Phosphoric acid +Nitrogenous base+ Galactose
[C]
Glycerol +Fatty acids +Phosphoric acid+ Galactose
[D]
Sphingosine+ fatty acid+ Galactose
Answer: Sphingosine+ fatty acid+ Galactose
(11)
Hydrolysis of fats by alkalies into fatty acids and glycerol is called
[A]
Coagulation
[B]
Saponification
[C]
Suspension
[D]
Colloidal
(12)
Essential fatty acids are
[A]
Linoleic acid
[B]
Arachidonic acid
[C]
Linolenic acid
[D]
All of these
(13)
Which of the following statement is true
[A]
Oxidative rancidity is observed more frequently in vegetable fats than animal fats
[B]
Plants fats ado not undergo oxidative rancidity
[C]
Oxidative rancidity can be effectively checked by dehydrogenation of fatty acids
[D]
Oxidative rancidity is observed more frequently in animal fats than vegetable fats
Answer: Oxidative rancidity is observed more frequently in animal fats than vegetable fats
(14)
Generally fats with unsaturated fatty acids are ____________ at room temperature (25oC)
[A]
Solid
[B]
Liquid in the presence of oxygen
[C]
Liquid in the absence of oxygen
[D]
Liquid
(15)
Beta-oxidation of fatty acids takes place at
[A]
Peroxisome
[B]
Mitochondria
[C]
Mitochondria and Peroxisome
[D]
Mitochondria, Peroxisome and ER
(16)
In which type of chromatography, solvents of increasing polarity are passed through a column of silica gel?
[A]
High performance liquid chromatography
[B]
Thin layer chromatography
[C]
Adsorption chromatography
[D]
Gas-liquid chromatography
Answer: Adsorption chromatography
(17)
For the determination of fatty acid composition, transesterification is done in a warm aqueous solution of
[A]
KCl+methanol
[B]
KOH+methanol
[C]
H2O+methanol
[D]
NaOH+methanol
(18)
Which technique is preferred in the separation of fatty acyl methyl esters from a mixture?
[A]
Absorption chromatography
[B]
TLC
[C]
Centrifugation
[D]
Gas-liquid chromatography
Answer: Gas-liquid chromatography
(19)
In which type of chromatography lipids are carried up a silica gel coated pate by a rising solvent front, less polar travels farther than the more polar ones?
[A]
Absorption chromatography
[B]
Thin layer chromatography
[C]
Gas-liquid chromatography
[D]
HPLC
Answer: Thin layer chromatography
(20)
Which of the following is a characteristic of both triacylglycerols and glycerophospholipids?
[A]
Both contain carboxyl groups and are amphipathic
[B]
Both contain fatty acids and are saponifiable
[C]
Both contain glycerol and ether bonds
[D]
Both can be negatively charged at cellular pH
Answer: Both contain fatty acids and are saponifiable.
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