New Miscellaneous ( Biochemistry ) MCQs – Updated Medical MCQs
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Latest Medical MCQs
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Latest Miscellaneous ( Biochemistry ) Mcqs
The most occurred mcqs of Miscellaneous ( Biochemistry ) in past papers. Past papers of Miscellaneous ( Biochemistry ) Mcqs. Past papers of Miscellaneous ( 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 Miscellaneous ( Biochemistry ) Mcqs. The Important series of Miscellaneous ( Biochemistry ) Mcqs are given below:
True about G protein couple receptors is _________________ ?
A. All the three subunits alpha, beta and gamma should bind each other for G protein to act
B. G proteins bind to hormones on the cell surface
C. G Proteins act as inhibitory and excitatory because of difference in alpha subunit
D. G protein is bound to GTP in resting state
Non polar lipid act as______________?
A. Electrical insulators
B. Non electrical insulators
C. Irons
D. Electrolytes
Iron is present in all, EXCEPT______________?
A. Cytochrome
B. Myoglobin
C. Catalase
D. Pyruvate kinase
Which is the poorest source of calcium among the following______________?
A. Rice
B. Egg yolk
C. Human milk
D. Cow’s milk
Transport form of iron is______________?
A. Transferrin
B. Apoferritin
C. Ferritin
D. Lactoferrin
Which of the following is the best site of absorption of calcium ?
A. Proximal segment of small intestine
B. Middle segment of small intestine
C. Ileum
D. Ascending colon
During phagocytosis, the metabolic process called respiratory burst involves the activation of_____________?
A. Oxidase
B. Peroxidase
C. Hydrolase
D. Dehydrogenase
The transmembrane adhesive molecules present in hemi desmosomes which specifically binds to basal lamina glycoprotein laminin are______________?
A. Integrin a6-B4
B. cadherins desmoglein
C. The catenins desmoplakin
D. a and B catenin
General Biochemistry MCQs
Under metabolic conditions associated with a high rate of fatty acid oxidation liver produces________________?
A. Cholesterol
B. Acetoacetate
C. Glutamate
D. Glycine
The fluid mosaic model of membrane structure was proposed by_______________?
A. Edwarg Angle
B. Watson and Crick
C. G.V Black
D. Singer and Nicolson
Free radicals can be inactivated by the following enzymes EXCEPT__________________?
A. Catalase
B. Glutathione peroxidase
C. Superoxide dismutase
D. Myeloperoxidase
The best technique useful for initial viral load estimation is________________?
A. Real time PCR
B. Electrophoresis
C. Widal test
D. Immunofluoresence
FSH, LH, TSH acts through_________________?
A. Cyclic AMP
B. Adenosine cyclate
C. Cyclic GMP
D. Calcium release
If bile acid recycling time is short, then bile salt reservoir pool will be______________?
A. Unchanged
B. Decreased
C. Increased
D. Has no effect
Somatomedin mediates________________?
A. Deposition of chondroitin sulfate
B. Gluconeogenesis
C. Lipolysis
D. Decreased rate of glucose uptake by cells
Ligant for peroxisome proliferation activating receptor (PPAR) receptors, a group of nuclear hormone receptors that are involved in the regulation of genes related to glucose and lipid metabolism is_____________?
A. Voglibose
B. Repaglinide
C. Exanatide
D. Rosiglitgazone
Cholesterol levels in abnormal person should be preferably less than_____________?
A. 200 mg/dl
B. 150 mg/dl
C. 180 mg/dl
D. 120 mg/dl
Hyponatremia is defined as a serum Na+ level ____________________?
A. < 135 mmol/L
B. < 160 mmo/L
C. >135 mmol/L
D. < 100 mmo/L
Enzymes MCQs
Generation of free radicals occurs by all of the following mechanism EXCEPT_____________?
A. Oxygen toxicity
B. Normal metabolism
C. Reperfusion after ischemic injury
D. All of the above
The antibacterial substance present in tears which acts by splitting cell wall components is____________?
A. Lysozyme
B. Penicillin
C. Betalysine
D. Lactoperoxidase
Glycemic index of a starchy food is a measure of its________________?
A. Utility
B. Energy
C. Collectivity
D. None of the above
All are components of basement membrane except________________?
A. Laminin
B. nidogen
C. Eutactin
D. Rhodopsin
A patient of type 2 diabetes mellitus is given nutrition rich in________________?
A. Carbohydrates
B. Proteins
C. Fat
D. Fibre rich diet
Which of these is not included in parenteral therapy ?
A. Fats
B. Fibres
C. Carbohydrates
D. Micronutrients
Free radicals are chemical species which have______________?
A. Single unpaired electron in an outer orbit
B. Double unpaired electron in an outer orbit
C. Single paired electron in an outer orbit
D. Double paired electron in an outer orbit
In the physiological system, nitric oxide is known to act through_______________?
A. Calcium ions
B. Cyclic AMP
C. Cyclic GMP
D. Prostacyclins
True about denaturation of protein is all except______________?
A. Disruption of secondary structure occurs
B. Unfolding occurs
C. Sequence of amino acids remain the same
D. Biological activity is retained
Vitamins MCQs
Within the RBC hypoxia stimulates glycolysis by which of the following regulating pathways ?
A. Hypoxia stimulates pyruvate dehydrogenase by increased, 2, 3DPG
B. Activation of the regulatory enzymes by high PH
C. Hypoxia stimulates release of all glycolytic enzymes from Band 3 on RBC membrane
D. Hypoxia inhibits hexokinase
The abundant glycoprotein in the basement membrane and has binding domain for both ECM and cell-surface receptor is______________?
A. Laminin
B. E – Cadherins
C. Fibronectin
D. Tenascin
Normal serum alkaline phosphatase level is_____________?
A. 1000-4000 Bodansky units
B. 100-400 Bodansky units
C. 0.1-0.4 Bodansky units
D. 1-4 Bodansky units
The following are derived from cholesterol, EXCEPT_____________?
A. Steroid hormones
B. Bile acids
C. Vitamin D
D. Energy
Enzyme regulating the conversion of ethanol to acetaldehyde________________?
A. Alcohol dehydrogenase
B. Catalase
C. Acetaldehyde dehydrogenase
D. Enolase
The normal range of serum osmolality (in mosm/L) is_____________?
A. 280 to 295
B. 350 to 375
C. 300 to 320
D. 200 to 250
The fuel value of fat is____________?
A. 7
B. 4
C. 9
D. 5
Heme is converted to bilirubin mainly in_____________?
A. Liver
B. Kidney
C. Spleen
D. Bone marrow