#1
Vitamins and Minerals
NEET PG 2027 Medical QBank
Biochemistry Practice MCQs
Browse 8,805 high-yield clinical questions in Biochemistry. Includes detailed explanations, options, and topic tags.
#2
Biosynthesis of Fatty Acids and Eicosanoids
In chronic alcoholism the rate limiting component for alcohol metabolism excluding enzymes is/are : (PGI Dec 2008)
#3
General
All of the following could include the mechanism or function of oxigenases, EXCEPT:
#4
General
Which of the following is the main enzyme responsible for activation of xenobiotics?
#5
General
In Familial hypercholesterolemia there is deficiency of
#6
vitamins
Which of the following vitamin reduces the risk of insulin resistance, obesity, and the metabolic syndrome?
#7
General
Rate limiting step in cholesterol synthesis is catalysed by which of the following enzyme?
#8
Respiratory chain
Which of the following is not a component of transpo system?
#9
vitamins
Which of the following vitamin enhances intestinal absorption of calcium?
#10
Metabolism of lipid
In a patient with a type of familial dyslipidemias he presented with palmar Xanthomas and he ias at increased risk of atherosclerosis and CAD.In Lipid profile there was elevation of triacylglycerols and cholesterol.And the IDL and chylomicrons were elevated.What is the pathophysiology of the condition?
#11
Gluconeogenesis
Arrange the following 4 enzymes of gluconeogenesis in sequence: A. Pyruvate carboxylase B. Glucose - 6 - phosphatase C. Phosphoenol pyruvate carboxy kinase D. Fructose 1,6 Bisphosphatase
#12
General
Specific poison for succinate dehydrogenase is ?
#13
General
Inherited hyperammonemia is a result of deficiency of which enzyme of Krebs-Henseleit urea cycle?
#14
Molecular Biology
In which phase of cell cycle, proof reading occurs?
#15
General
The number of ATPs generated in krebs cycleare ?
#16
General
All will predispose to atherosclerosis, except
#17
General
Which component transfers four protons:
#18
Molecular Biology Techniques
For RNA, which blotting technique is used -
#19
General
Panthothenic acid is coenzyme of which of the following reaction (s):
#20
Metabolism of carbohydrate
Main source of energy derived from
#21
General
Vitamin K is ivolved in the posttranslational modification?
#22
Endocrinology
Urine osmolality in Diabetes insipidus is
#23
General
Starvation and diabetes mellitus can lead on to ketoacidosis which of the following features is in our of ketoacidosis due to diabetes mellitus.
#24
Proteins and Amino Acids
A 34-year-old female has a history of intermittent episodes of severe abdominal pain. She has had multiple abdominal surgeries and exploratory procedures with no abnormal findings. Her urine appears dark during an attack and gets even darker if exposed to sunlight. The attacks seem to peak after she takes erythromycin, because of her penicillin allergy. This patient most likely has difficulty in synthesizing which one of the following?
#25
Enzymes
Which of the following is non-competitive inhibitor of intestinal alkaline phosphatase?
#26
miscellaneous
Marfans Syndrome affecting eyes, skeletal system, and the cardiovascular system is caued by the mutation in the gene
#27
Transcription
RNA primer is synthesized by -
#28
General
Crossing over, true is;
#29
DNB 2018
Essential amino acids are all except:
#30
General
A mutation that results in a value replacement for glutamic acid at position 6 of the B chain of hemoglobin 5 hinders normal hemoglobin function and results in sickle-cell anemia when the patient is homozygous for this mutation. This is an example of which of the following types of mutation?
#31
General
Nyctalopia is due to deficiency of
#32
Lipids
Acyl carnitine functions in:
#33
General
Amplification of DNA uses the polymerase chain reaction (PCR) technique. Cation used in PCR is:
#34
General
Which arm of tRNA binds it to vibosomal surface
#35
Metabolism of carbohydrate
Von Gierke&;s occurs due to deficiency of
#36
NEET 2019
Type of collagen maximum in skin:-
#37
Lipids
Which of the following is not a part of fatty acid synthase Complex?
#38
General
Which is not ketogenic
#39
Vitamins and Minerals
SACD (Subacute combined degeneration of cord) is feature of which vitamin deficiency?
#40
General
True about isoenzymes is/are
#41
Proteins and Amino Acids
DNA enzyme for aging:
#42
Proteins and Amino Acids
Melanin is formed from which aminoacid?
#43
Basics of DNA
Nucleic acids absorb UV light maximally at the wavelength of
#44
Miscellaneous (Bio-Chemistry)
Ehrlich's test is done to detect:
#45
Vitamins and Minerals
A 10-year-old boy presents with increase bilirubin, increased bilirubin in urine and no urobilinogen Diagnosis is:
#46
General
Negative nitrogen balance is the characteristic feature of which phase of convalescence after surgery?
#47
Transcription
Not true about post-transcriptional modification of RNA-
#48
General
All of the following are globular proteins except:
#49
General
Regarding glutathione which of the following is/are true:
#50
Metabolism of protein and amino acid
In metabolic alkalosis, which Is true about excretion in urine
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