1) Which of these is not included in parenteral therapy ? a. Carbohydrates b. Fibres c. Fats d. Micronutrients
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2) Free radicals are chemical species which have______________? a. Single unpaired electron in an outer orbit b. Single paired electron in an outer orbit c. Double unpaired electron in an outer orbit d. Double paired electron in an outer orbit
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3) In the physiological system, nitric oxide is known to act through_______________? a. Cyclic AMP b. Calcium ions c. Cyclic GMP d. Prostacyclins
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4) True about denaturation of protein is all except______________? a. Unfolding occurs b. Disruption of secondary structure occurs c. Sequence of amino acids remain the same d. Biological activity is retained
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5) Within the RBC hypoxia stimulates glycolysis by which of the following regulating pathways ? a. Hypoxia stimulates pyruvate dehydrogenase by increased, 2, 3DPG b. Hypoxia inhibits hexokinase c. Hypoxia stimulates release of all glycolytic enzymes from Band 3 on RBC membrane d. Activation of the regulatory enzymes by high PH
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6) The abundant glycoprotein in the basement membrane and has binding domain for both ECM and cell-surface receptor is______________? a. Laminin b. Fibronectin c. E – Cadherins d. Tenascin
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7) Normal serum alkaline phosphatase level is_____________? a. 100-400 Bodansky units b. 1000-4000 Bodansky units c. 0.1-0.4 Bodansky units d. 1-4 Bodansky units
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8) The following are derived from cholesterol, EXCEPT_____________? a. Bile acids b. Steroid hormones c. Vitamin D d. Energy
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9) Enzyme regulating the conversion of ethanol to acetaldehyde________________? a. Alcohol dehydrogenase b. Acetaldehyde dehydrogenase c. Catalase d. Enolase
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10) The normal range of serum osmolality (in mosm/L) is_____________? a. 280 to 295 b. 300 to 320 c. 350 to 375 d. 200 to 250
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11) The fuel value of fat is____________? a. 4 b. 7 c. 9 d. 5
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12) Heme is converted to bilirubin mainly in_____________? a. Kidney b. Liver c. Spleen d. Bone marrow
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13) In molecular cloning, Blue White screening is used for_______________? a. To screen for recombinant vectors b. To detect gene mutations c. To identify desired chromosomal DNA insert in plasmid vectors d. To detect host DNA in situ
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14) Enzymes increase reaction rates by______________? a. Altering the free energy of the action b. Inhibiting the backward reaction c. Enhancing the forward reaction d. Decreasing the energy of activation
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15) Which of the following is most important content of diet ? a. Protein b. Water c. Vitamin d. Minerals
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16) In all the following RNA participates directly except________________? a. Post translation modification b. Post transcriptional modification c. DNA replication d. Splicing
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17) Normal level of serum phosphorous is_____________? a. 2.5 – 4.5 mgm% b. 7-9 mgm% c. 40-50 mgm% d. 1-2 mgm%
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18) Inside the cell, the substance, which contributes to most of the osmolality, is________________? a. Protein b. Potassium c. Urea d. Phosphate
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19) Daily requirement of iron in man is_____________? a. 1gm b. 10 microgram c. 10 mg d. 20 mg
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20) In human body which of the following trace element is next to iron_______________? a. Ca++ b. Zn++ c. Cu++ d. Selenium
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21) Ferritin – an inactive form of iron is stored in_____________? a. Gut b. Spleen c. Liver d. All of the above
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22) Peroxidase enzyme contain______________? a. Chromium b. Selenium c. Magnesium d. Calcium
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23) Translation occurs at______________? a. Mitochondria b. Centrosome c. Nucleus d. Ribosome
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24) Chargaff rule states that___________? a. A+G=T+C b. A/T=G/C c. A=U=T=G=C d. A+T=G+C
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25) Codons are present on_____________? a. m-RNA b. DNA c. t-RNA d. Ribosomal RNA
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26) The portion of DNA in Which RNA polymerase binds and starts transcription is called______________? a. Terminator b. Anti terminator c. Operator d. Promoter region
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27) End product of purine metabolism is______________? a. Creatinine b. Uric acid c. Xanthine d. Phosphates
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28) All are true of the genetic code except____________? a. Degenerate b. Universal c. Punctuation d. Non overlapping
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29) R-RNA is mainly produced mainly in___________? a. Nucleus b. Nucleolus c. Ribosome d. Endoplasmic reticulum
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30) On complete hydrolysis of DNA we will get all the following except______________? a. Deoxy pentose sugar b. Phosphoric acid c. Adenosine d. Purine bases
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