#2101
General
NEET PG 2027 Medical QBank
Biochemistry Practice MCQs
Browse 8,805 high-yield clinical questions in Biochemistry. Includes detailed explanations, options, and topic tags.
#2102
Metabolism of nucleic acids
An 8 year-old girl in a developing country with significant corneal scarring and multiple cutaneous skin lesions in sun-exposed areas. Neuro-developmental delay had been present since 3 months of age.What is the probable diagnosis which is due to defective nucleotide excision repair?
#2103
vitamins
Thiamin status of an individual can be detected by which of the following tests/enzymes in erythrocytes?
#2104
Carbohydrates
Acetyl co-A can he directly converted to all except:
#2105
General
Protein catabolism is increased in ?
#2106
General
In chylomicrons, the main apoprotein is:
#2107
Metabolism of lipid
To be defined as a ganglioside, a lipid substance isolated from nervous tissue must contain in its structure
#2108
Vitamins and Minerals
Which of the following protein has ferroxidase activity?
#2109
General
FIGLU excretion test is to estimate deficiency of
#2110
General
Patient with HNPCC (hereditary nonpolyposis colon cancer) has genes with microsatellite instability. This is due to failure of which repair mechanism of DNA
#2111
General
Mannose 6 phosphate containing freshly synthesized proteins are directed to
#2112
Vitamins and Minerals
Which of the following is the synthetic vitamer of vitamin K?
#2113
General
NAD+ Acts as a coenzyme for ?
#2114
Molecular Biology
A 10 year old girl is brought to the dermatologist by her parents. She has many freckles on her face, necks, arms and hands and parents repo that she is unusually sensitive to sunlight. Two basal cell carcinomas are identified on her face. Which of the following processes is most likely to be defective in this patient?
#2115
Structure and function of protein
Zwitterions have
#2116
General
Elevated AFP levels are seen in all of the following conditions, EXCEPT:
#2117
Transcription
The base sequence of the strand of DNA used as the template for transcription has the base sequence GATCTAC. What is the base sequence of RNA product?
#2118
Metabolism of protein and amino acid
Which of the following gives a positive reaction with Ferrous chloride?
#2119
Endocrinology
Molecule shown in the Illustration is a precursor of:
#2120
Gluconeogenesis
All are substrates for gluconeogenesis except -
#2121
General
Features of competitive inhibition is/are:
#2122
General
The tertiary structure of protein is detected by
#2123
General
Beaded ribs with epiphysial swelling is a feature of:
#2124
General
The molecule, which is the intiator of cataract formation in the eye lens and whose 1- phosphate derivative is responsible for liver failure, is:
#2125
Lipids
Abetalipoproteinemia is due to deficiency of -
#2126
General
Deamination of the following amino acid occurs in liver
#2127
Enzymes
Meister cycle uses:
#2128
Organelles
The lipid : protein ratio of inner mitochondrial membrane is:
#2129
Endocrinology
Thin limbs, central obesity, fat cheeks, a ruddy complexion, and an elevated blood glucose level.
#2130
Proteins and Amino Acids
For untreated Myocardial infarction condition, select the blood or urine value that best distinguishes Myocardial infarction condition from the others. All values are measured after an overnight fast and are compared with those of a normal individual.
#2131
All India exam
Which one of the following can be conveed to an intermediate of either the citric acid cycle or the urea cycle?
#2132
Endocrinology
Which of the following is not steroid -
#2133
miscellaneous
Which of the following is not normally excreted in urine?
#2134
Metabolism of nucleic acids
Rapid method of chromosome identification in intersex is
#2135
General
Glycemic index is defined as:
#2136
Respiratory chain
Barbiturates act on which step of mitochondrial respiratory chain?
#2137
General
The deficiency of thiamine can be identified by measuring the red cell:
#2138
Proteins and Amino Acids
DNA repair defect is seen in:
#2139
Metabolism of protein and amino acid
Branched chain amino acids
#2140
General
Shine dalgarno in prokaryotes is associated with?
#2141
Structure and function of protein
Which of the following is not a test for amino acids?
#2142
General
What is metabolised like xenobiotics
#2143
General
Abzyme is a/an
#2144
General
The MOST common enzyme deficiency responsible for Galactosemia is related to which of the following enzymes?
#2145
General
Hypervitaminosis D may cause all of the following EXCEPT:-
#2146
Lipoproteins
A patient was found to have high LDL, increased total cholesterol. But normal levels of LDL-Receptors. What is the most probable cause:
#2147
Metabolism of carbohydrate
Branched-chain ketoaciduria is due to deficiency of
#2148
General
In E. coli, Ahur kornberg found which enzyme?
#2149
General
Which among the following controls is an allosteric inhibitor of TCA cyclea) Pyruvate dehydrogenaseb) Ketoglutarate dehydrogenasec) Isocitrate dehydrogenased) Malate dehydrogenase
#2150
General