WorksheetsBiochemistry Quiz
Total questions: 20
Worksheet time: 10mins
Which vitamin is required for the synthesis of rhodopsin?
Vitamin A
Vitamin C
Vitamin K
Vitamin D
Which enzyme is deficient in Lesch-Nyhan syndrome?
HGPRT
ADA
Xanthine oxidase
Orotate phosphoribosyltransferase
Which of the following is the coenzyme form of niacin?
NAD+
FAD
TPP
FMN
Which buffer system is most effective in blood?
Bicarbonate buffer
Phosphate buffer
Protein buffer
Ammonia buffer
Menkes disease is due to defect in absorption of which mineral?
Copper
Zinc
Iron
Calcium
Which of the following increases in obstructive jaundice?
Conjugated bilirubin
Unconjugated bilirubin
Urobilinogen
Hemoglobin
Wilson's disease is associated with accumulation of which metal?
Copper
Iron
Zinc
Lead
Enzyme used in polymerase chain reaction is derived from which organism?
Thermus aquaticus
E. coli
Bacillus subtilis
Streptococcus pyogenes
Sodium levels in serum are regulated mainly by which hormone?
Aldosterone
Insulin
ADH
Thyroxine
Which of the following is a tumor marker for hepatocellular carcinoma?
AFP
CEA
CA-125
PSA
Which vitamin is responsible for scurvy?
Vitamin C
Vitamin A
Vitamin D
Vitamin K
Which test is based on diazo reaction?
Van den Bergh reaction
Benedict’s test
Fouchet’s test
Fehling’s test
Which organ function test uses Inulin clearance?
Kidney function
Liver function
Thyroid function
Pancreatic function
Which enzyme is commonly elevated in myocardial infarction?
CK-MB
ALT
ALP
LDH-5
Which component of collagen is hydroxylated and requires vitamin C?
Proline and lysine
Glycine only
Alanine only
Glutamate
What is the main storage form of iron in tissues?
Ferritin
Hemosiderin
Transferrin
Heme
What is the role of ceruloplasmin?
Copper transport
Iron transport
Enzyme inhibition
Zinc absorption
What is the purpose of ABG analyzer?
Measure pH and gases
Detect proteins
Estimate glucose
Check bilirubin
Which form of DNA is most common in cells?
B-DNA
A-DNA
Z-DNA
C-DNA
What is the principal site of urea synthesis?
Liver
Kidney
Pancreas
Intestine
