Up To Date General Biochemistry ( Biochemistry ) MCQs – Latest Medical MCQs
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Latest Medical MCQs
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Latest General Biochemistry ( Biochemistry ) Mcqs
The most occurred mcqs of General Biochemistry ( Biochemistry ) in past papers. Past papers of General Biochemistry ( Biochemistry ) Mcqs. Past papers of General Biochemistry ( 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 General Biochemistry ( Biochemistry ) Mcqs. The Important series of General Biochemistry ( Biochemistry ) Mcqs are given below:
The amino acid required for the synthesis of haem is______________?
A. Glutamic acid
B. Glutamine
C. Glycine
D. Lysine
Ubiqultin is involved in_____________?
A. Intracellular proteolysis
B. Transport of ATP
C. Electron transport chain
D. Protein folding
Which of the following is a function of the golgi apparatus ?
A. Modification of proteins
B. Protein storage
C. m RNA synthesis
D. t RNA synthesis
The most abundant protein present in body is_____________?
A. Albumin
B. Globulin
C. Collagen
D. Hemoglobin
Oligosaccharide is________________?
A. Fructose
B. Glucose
C. Maltose
D. Dextrin
Synthesis of protein occurs on_____________?
A. Nucleus
B. Poly ribosomes
C. Mitochondria
D. Golgi bodies
Bilirubin is produced from________________?
A. Myoglobin
B. Haemoglobin
C. Gall bladder
D. A & B
Bile contains______________?
A. Chenodeoxycholic acid
B. Cholic acid
C. Deoxycholic acid
D. Lithocholic acid
E. All of the above
Enzymes MCQs
Nor epinephrine is converted to epinephrine by______________?
A. Dopa decarboxylase
B. Dopamine hydroxylase
C. O-methylation
D. N-methylation
Rate limiting step in adrenaline synthesis is conversion of____________?
A. Tyrosine to dopa
B. Dopa to dopamine
C. Phenylalanine to tyrosine
D. Dopamine to nor epinephrine
Which of the following has a ketogenic effect on livers______________?
A. GH
B. Glucagon
C. Insulin
D. Androgen
Calcitonin is antagonist_______________?
A. Parathyroid hormone
B. Triidothyronine
C. Thyroxine
D. Serotonin
Ribosomes are usually associated with______________?
A. Endoplasmic reticulum
B. Nucleolus
C. Mitochondria
D. Plasma membrane
Golgi bodies function are______________?
A. Protein synthesis
B. Protein lipid synthesis
C. Sorting of glycoproteins
D. None of the above
Which cell organelle contains DNA_____________?
A. Mitochondrion
B. Endoplasmic reticulum
C. Golgi body
D. Centriole
Most importent compansatory mechanism in metabolic acidosis______________?
A. Increased urinary phosphates
B. Increased NH3 excretion by kidneys
C. Hyperventilation
D. Increased HCO3 Production
To keep blood PH at 7.4 the HCO3 : H2CO3 ratio should be_____________?
A. 20 : 1
B. 15 : 1
C. 30 : 1
D. 1 : 1
Normal blood PH is______________?
A. 7.0 – 7.12
B. 6.8 – 7.0
C. 7.38 – 7.4
D. 7.7 – 8.0
Which of the following about biological membrane is true ?
A. Lipid moiety is amphipathic
B. Symmertrical bi leaflet structures
C. Rigid assembly of protein, lipid and carbohydrate
D. Lipid and protein moiety are held by covalent interactions
In Cytochrome p450, P stands for____________?
A. Substrate proteins
B. Structural proteins
C. Pigment
D. Polymer
Which of the following is false about starvation ketoacidosis ?
A. Smell of acetone in breath
B. Metabolic acidosis
C. Benedict’s test +ve
D. Rothera’s test is +ve
A relatively component of the electron transporting respiratory chain is_____________?
A. Cytochrome Cl
B. Flavoprotein
C. Ubiquinone
D. Cytochrome A
Carbohydrate Metabolism MCQs
During phagocytosis the metabolic process called respiratory burst involves activation of_____________?
A. Oxidase
B. Peroxidase
C. Hydrolase
D. Dehydrogenase
Which of these organelle functions as the digestive system of the cell ?
A. Rough endoplasmic reticulum
B. Mitochondria
C. Golgi apparatus
D. Lysomes
Which one of the following human tissues contains the greatest amount of body glycogen ?
A. Kidney
B. Liver
C. Skeletal muscle
D. Cardiac muscle
Which of the following is inclusion of cytoplasm ?
A. Ribosome
B. Endoplasmic reticulum
C. Golgi body
D. Glycogen
Bile acids are formed from__________?
A. Cholesterol
B. Bilirubin
C. Amino acids
D. Lipoproteins
Normal blood bilirubin level is______________?
A. 0.5 – 1 mg%
B. 3 – 4 mg%
C. 1 – 3 mg%
D. 4 – 5.5 mg%
Which of the following is precursor of adrenaline and thyroxine synthesis ?
A. Tryptophan
B. Tyrosine
C. Phenyl alanine
D. None of the above
The immediate precursor of norepinephrine is______________?
A. Tyrosine
B. Epinephrine
C. Dopamine
D. Phenylalanine
The precursor of testosterone is_____________?
A. Methyl testosterone
B. Aldosterone
C. Estrogen
D. Pregnenolone
Which of the following is not a second messenger ?
A. c GMP
B. c AMP
C. Phosphatidyl inosital
D. Phosphatidyl glycerol
Vitamins MCQs
A balanced diet consists of______________?
A. 20% proteins, 25% fats, 50% carbohydrates
B. 25% proteins, 25% fats, 50% carbohydrates
C. 20% proteins, 35% fats, 45% carbohydrates
D. 35% proteins, 15% fats, 50% carbohydrates
Which of the organelles contain DNA_________________?
A. Nucleus
B. Golgi apparatus
C. Nucleolus
D. Ribsomes
Cell membrane consists of_________________?
A. Lipids and proteins
B. Protein only
C. Lipids only
D. None of the above
The main function of mitochondria is______________?
A. Oxidation
B. Protein synthesis
C. Electron transfer
D. Fat synthesis
In ECF main electrolyte is_______________?
A. Na+
B. Cl
C. K+
D. Proteins
The most important buffer in RBC is____________?
A. O2Hb +K hemoglobinate
B. O2 Hb +Na hemoglobinate
C. H2CO3 + KHCO3
D. H2CO3 +NAHCO3
The major driving force for formation of membrane lipid bilayer is____________?
A. Vander wall forces
B. Hydrophobic interactions
C. Hydrogen bonding
D. Not known
Detoxification or protective synthesis occurs by____________?
A. Reduction
B. Oxidation
C. Conjugation
D. Any of the above
Detoxification of drugs is controlled by_____________?
A. Cytochrome C
B. Cytochrome P450
C. Cytochrome
D. Cytochrome A