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Up To Date General Biochemistry ( Biochemistry ) MCQs – Latest Medical MCQs

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______________?

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

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

Up To Date General Biochemistry ( Biochemistry ) MCQs – Latest Medical MCQs