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Biochemistry Mcqs

During conversion of glycerol to pyruvic acid, the first glycolytic intermediate to form is_______________?

  • (A)  2- phospho glyceric acid
  • (B)  3- phospho glyceric acid
  • (C)  3- phospho glyceralehyde
  • (D)  Dihydroxy acetone phosphate
Submitted By :Ali Uppal


All of the following are substrates for gluconeogenesis except_______________?

  • (A)  Alanine
  • (B)  Oleic acid
  • (C)  Glycerol
  • (D)  Tryptophan
Submitted By :Ali Uppal


Enzymes concerned with the citric acid cycle are found in the____________?

  • (A)  Nucleus
  • (B)  Ribosomes
  • (C)  Mitochondria
  • (D)  Nonparticulate cytoplasm
Submitted By :Ali Uppal


In TCA, substrate level phospherylation takes place in______________?

  • (A)  Alpha ketoglutrate to succinyl CoA
  • (B)  Succinyl CoA to Succinate
  • (C)  Succinate to fumarate
  • (D)  Oxalocetate to citrate
Submitted By :Ali Uppal


Cane sugar is____________?

  • (A)  Glucose
  • (B)  Surose
  • (C)  Fructose
  • (D)  Maltose
Submitted By :Ali Uppal


The conversion of glucose 6-P to fructose 6-P is an example of which of the following reactions___________?

  • (A)  Phosphate transfer
  • (B)  Isomerisation
  • (C)  Dehydration
  • (D)  Aldol cleavage
Submitted By :Ali Uppal


Which of the following is abnormal constituent of urine_____________?

  • (A)  glucose
  • (B)  Creatine
  • (C)  Urea
  • (D)  None of the above
Submitted By :Ali Uppal


Which one of the following is a monosaccharide______________?

  • (A)  Maltose
  • (B)  Sucrose
  • (C)  Fructose
  • (D)  Strach
Submitted By :Ali Uppal


The key enzyme of gluconeogenesis is______________?

  • (A)  Pyruvate carboxylase
  • (B)  Fructose 1,6 disphosphatase
  • (C)  Glucose 6 phosphatase
  • (D)  Phosphoenol pyruvate carboxykinase
Submitted By :Ali Uppal


Renal threshold for glucose is______________?

  • (A)  80 mg%
  • (B)  100 mg%
  • (C)  180 mg/ dl
  • (D)  200 mg%
Submitted By :Ali Uppal