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Most Latest Medical MCQs – New Lipid Metabolism ( Biochemistry ) MCQs
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Latest Medical MCQs
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Latest Lipid Metabolism ( Biochemistry ) Mcqs
The most occurred mcqs of Lipid Metabolism ( Biochemistry ) in past papers. Past papers of Lipid Metabolism ( Biochemistry ) Mcqs. Past papers of Lipid Metabolism ( Biochemistry ) Mcqs . Mcqs are the necessary part of any competitive / job related exams. The Mcqs having specific numbers in any written test. It is therefore everyone have to learn / remember the related Lipid Metabolism ( Biochemistry ) Mcqs. The Important series of Lipid Metabolism ( Biochemistry ) Mcqs are given below:
Which of the following fatty acids are not syntehsised in human body_____________?
A. Palmitic Oleic and arachidonic
B. Arachidonic, linolenic and linoleic acid
C. Oleic, linoleic and linolenic acid
D. Linoleic, arachidonic and stearic acid
The lipoprotein particles that have the highest percentage concentration of cholesterol is_______________?
A. VLDL (Very low density lipoprotein)
B. Chylomicron
C. LDL (Low density lipoprotein)
D. HDL (High density lipoprotein)
Fat provides ______% of body’s calories?
A. 50%
B. 30%
C. 40%
D. 75%
The normal level of serum cholesterol is_______________?
A. 260-360 mgs/100 ml
B. 100-140 mgs/100 ml
C. 150-250 mgs/100 ml
D. 80-250 mgs/100 ml
The following is not a phospholipid______________?
A. Lecithin
B. Sphingomyelin
C. Cerebroside
D. Cephalin
Examples of monounsaturted fatty acids are______________?
A. Oleic acid
B. Linolenic acid
C. Arachitlonic acid
D. Palmitic acid
The sugar component of cerebrosides is_____________?
A. Sucrose
B. Fructose
C. Galactose
D. None of the above
The lipid, which acumulates in fatty liver, is_______________?
A. Triglycerides
B. Lipoprotein
C. FFA
D. Cholesterol
The product of oxidation of odd chainfatty acids is______________?
A. Malonyl CoA
B. Aceto acetyl CoA
C. Propionyl CoA
D. Fumaryl CoA
The substance essential for transfer of fatty acids across mitochondrial membrane_____________?
A. Creatinine
B. Creatine
C. Carnitine
D. Coenzyme A
Ketone bodies are normally synthesized from______________?
A. Acetyl-CoA
B. Glycerol
C. Glucose
D. Acetone
Ketone bodies are by products of metabolism of_____________?
A. Protein
B. Carbohydrate
C. Fat
D. All of the above
The ketone bodies, which are excreted in diabetic ketoacidosis ?
A. Acetoacetic acid and oxalocacetic acid
B. Acetoacetic acid and pyruvic acid
C. Acetoacetic acid and alpha ketoglutaric acid
D. Acetoacetic acid and beta hydroxyl butyric acid
Rate limiting step in cholesterol synthesis is_______________?
A. HMG CoA lyase
B. HMG CoA synthetase
C. HMG CoA reductase
D. Mevalonate synthetase
Which is not seen in HMG CoA pathway ?
A. Pyruvate
B. Mevalonate
C. Cholesterol
D. Acetyl CoA
Vitamins MCQs ( Biochemistry )
The precursor of steroid is_______________?
A. Fatty acids
B. Amino acids
C. Cholesterol
D. None of the above
Lipid from tissue is carried to liver by_____________?
A. VLDL
B. LDL
C. HDL
D. Chylomicrons
Triglycerides in serum are transported by_______________?
A. VLDL
B. HDL
C. LDL
D. Chylomicrons
Prostaglandin synthesis is partially switched off by______________?
A. Reductase
B. Cyclo-oxygenase inhibition
C. Lipo oxygenase inhibition
D. Peroxidase
Triglyceride synthesis synthesis is increased by______________?
A. Cortisol
B. Insulin
C. Growth hormone
D. Gulcagon
The total blood concentration of ketone bodies in well fed individual is__________?
A. 1 mg%
B. 12 mg%
C. 5 mg%
D. 20 mg%
High content of cholesterol is present in_______________?
A. Hydrogenated fat
B. Egg yolk
C. Coconut oil
D. Ghee (unsaturated)
Insulin caused lipogenesis by all except____________?
A. Increases the transport of glucose in to the cells
B. Increasing acetyl-CoA corboxylase activity
C. Inhibits Pyruvate dehydrogenase
D. Decreases intracellular cAMP level
The main pathway for De – Novo synthesis of fatty acids occurs in_______________?
A. Nucleus
B. Mitochondria
C. Cytosol
D. None of the above
Adipose tissue releases free fatty acids in the________________?
A. Fasting state
B. Active state
C. Resting state
D. All of the above
Increase in lactate and pyruvate is seen in deficiency of_____________?
A. Niacin
B. Pyridoxin
C. Thiamine
D. Retinotic acid
The main function of HDL is____________?
A. Esterification with PUFA
B. Transport cholesterol from liver to peripheral tissues
C. Both of the above
D. None of the above
Acetyl CoA is produced from which fuel sources_____________?
A. Lipid
B. Carbohydrate
C. Amino acids
D. All of the above
The reducing equivalent for fatty acid synthesis is derived form____________?
A. Kreb’s cycle
B. Glycolysis
C. Urea cycle
D. Pentose phosphate pathway
Lipid is required in the average diet because it________________?
A. aids in absorption of carbohydrates
B. Provides essential fatty acid
C. has a high caloric value
D. is necessary for storage of carbohydrates
Fatty aids help in synthesis of all except____________?
A. Glucose
B. Ketone bodies
C. Cholesterol
D. Fat
The human plasma lipoprotein containing the highest percentage of triacylglycerol by weight is______________?
A. HDL
B. Chylomicrons
C. VLDL
D. LDL
Carbohydrate Metabolism MCQs ( Biochemistry )
B-oxidation of odd-chain fatty aids produce_______________?
A. Acetyl CoA
B. Propionyl CoA
C. Succinyl CoA
D. Malonyl CoA
True about prostaglandins is______________?
A. Present in many tissues
B. Short acting
C. Some require C-AMP for their action
D. All are true
Endogenous triglycerides in plasma is maximally bound to________________?
A. LDL
B. Chylomicrons
C. VLDL
D. HDL
HMG CoA reductase is inhibited by_____________?
A. Gemfibrosil
B. Clofibrate
C. Lovastatin
D. cholestyramine
HMG-CoA is formed during metabolism of all except______________?
A. Leucine
B. Cholesterol
C. Ketone bodies
D. Bile acids
The precursor of cholesterol synthesis is________________?
A. Oxalo acetic acid
B. Acetyl CoA
C. Acetic acid
D. Pyruvate
All are derived of cholesterol except________________?
A. Glycocholic acid
B. Chenodeoxy cholic acid
C. Testosterone
D. Cholecystokinin
Which of the following organs cannot use ketone bodies_______________?
A. Kidney
B. Liver
C. Brain
D. Spleen
Which of the following is not a ketone body______________?
A. Acetocetate
B. Acetic acid
C. Acetone
D. Beta hydroxybutyric acid
Ketone body formation takes place in_______________?
A. Liver
B. Spleen
C. Kidney
D. Blood
NADPH is required for________________?
A. Glycolysis
B. Gluconeogenesis
C. Fatty acid synthesis
D. Glycogenolysis
Limiting factory for fatty acid synthesis_________________?
A. Acyl transferase
B. Aceto acetate synthetase
C. Acetyl CoA carboxylase
D. Biotin
In Niemann-Pick’s disease the following substrance accumulate in CNS in excess______________?
A. Phosphoinositides
B. Glycerophosphatides
C. Phosphosphingosides
D. Glycerosphingosides
Which of the following is a phospholipid________________?
A. Prostaglandin
B. Sphingomyelin
C. Glycogen
D. Oleic acid
Unsaturated fatty acids are converted to______________?
A. Prostaglandins
B. Cell membrane lipid
C. Cholesterol
D. Saturated fatty acid
Saponification means hydrolysis of fats by________________?
A. Water
B. Alkali
C. Acid
D. Enzymes
The major lipids that make up the cell membrane are_______________?
A. Sphingomyelins
B. Phospholipids
C. Triglycerides
D. Fatty acids
The most important role of cholesterol is_____________?
A. It is a component of cell membrane
B. It stores up energy
C. It is a precursor of polyunsaturated fatty acids
D. None of the above
A fatty acid that is not synthesized in man is_____________?
A. Linoleic acid
B. Palmitic acid
C. Oleic acid
D. Stearic acid
Fatty acid oxidation occurs in______________?
A. Microsomes
B. Cytoplasm
C. Mitochondria
D. All of the above