JOM Mumtaz Module 2

8/8/2019 JOM Mumtaz Module 2

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JOM Mumtaz Module 2

1. All are true concerning micronutrients EXCEPT ___.A. Taken less than 1g/dayB. EssentialC. Provide energyD. Structural function limited

2. Sequence for best food.A. Fresh from earth -> frozen -> dried -> cannedB. Fresh from earth -> dried -> frozen -> cannedC. Fresh from earth -> frozen -> canned -> driedD. Fresh from earth -> dried -> canned -> frozen

3. All are aldoses EXCEPT ___.A. GlyceraldehydeB. RiboseC. GlucoseD. Fructose

4. D-glucose and D-mannose are ___.A. D and L isomersB. EpimersC.

Aldose-ketose isomerism

D. Alpha and Beta anomers5. Digitoxin is ___.

A. Sugar acidsB. DeoxysugarsC. Amino sugar acidsD. Glycosides

6. Arachidonic has ___ double bonds.A. 1B. 2C. 3D. 4

7. Major lipid components of lung surfactant.A. Phosphatidic acid


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B. Phosphatidyl cholineC. Phosphatidyl ethanolamineD. Phosphatidyl serine

8. Provitamin D4.A. ErgosterolB. ErgocalciferolC. CholecalciferolD. 22-dihydroergosterol

9. All are true concerning vitamin A EXCEPT ___.A. Retinoic acid is active formB. Complex primary alcohol of 18 carbonC. Derived from provitamin carotenesD. Synthesis occurs in intestinal mucosa

10.All are functions of vitamin E EXCEPT ___.A. Stimulate synthesis of specific proteinsB. Antioxidant activityC. Stabilizing coenzyme QD. Normal spermatogenesis

11.Precursor for epinephrine.A. B-AlanineB. Y-Aminobutyric acidC. 3,4-DihydroxyphenylalanineD. 3-5-Diiodotyrosine

12.Denaturation of proteins due to rupture of all of these EXCEPT ___.A. Peptide bondsB. Hydrogen bondsC. Hydrophobic bondsD. Electrostatic bonds

13.All are true concerning B-Pleated EXCEPT ___.A. Sheet like structureB. All peptide bonds components participate in hydrogen bondingC. All hydrogen bonding are intrachainD. The chains are almost fully extended

14.All are fibrous EXCEPT ___.A. Keratin


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B. FibrinC. CollagenD. Albumin

15.Ossein is ___.A. Simple proteinsB. Conjugated proteinsC. Derived proteinsD. Phosphoproteins

16.All are diseases associated with deficiency of riboflavin EXCEPT ___.A. Corneal neovascularizationB. Magenta-colored tongueC. StomatitisD. Sideroblastic anemia

17.Cytochrome oxidase contains ___.A. CopperB. ZincC. IronD. Magnesium

18.Optimum pH for trypsin is ___.A. 6.8B. 2C. 8D. 8.4

19.Enzyme used in treatment of intraocular hemorrhage.A. Alkaline phosphataseB. FibrinolysinC. Creatine kinaseD. A-chymotrypsin

20.Remove hydrogen from substrate and use only oxygen as hydrogen acceptor.A. OxidasesB. HydroperoxidasesC. PeroxidasesD. Oxygenases

21.Methyl donor is ___.A. Methyl tetrahydrofolic acid


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B. S-Adenosyl methionineC. Methyl cobalamineD. Noradrenaline

22.All are factors which increase respiratory quotient EXCEPT ___.A. HyperventilationB. Metabolic alkalosisC. Severe muscular exerciseD. Fevers

23.SDA of carbohydrates maybe due to ___.A. Deamination in the liverB. Direct stimulation of metabolismC. Extra energy required to form glycogenD. Increase sympathetic system activity

24.Destruction of ___ causes omniphagia.A. Prefrontal cortexB. Hunger centerC. Satiety centerD. Brain stem center

25.Terminal event of death in starvation is ___.A. LipaemiaB. KetosisC. Increase ammoniaD. Intractable diarrhea

26.Uncoupler of oxidation and phosphorylation.A. 2-DeoxyglucoseB. IodoacetateC. FluorideD. Arsenate

27. Ingestion of fava beans will lead to ___.A. HyperglycemiaB. Acute hemolytic anemiaC. XeropthalmiaD. Lipaemia

28.All are allosteric regulators of glycogenolysis EXCEPT ___.A. Norepinephrine


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B. G-6-PC. ATPD. AMP

29.CH3-CO-CH2-COOH is ___.A. Acetoacetic acidB. B-Hydroxybutyric acidC. AcetoneD. None of the above

30.Routes for synthesis of phosphoglycerides from 1.2 diacyl glycerol are for all of these EXCEPT___.

A. Phosphatidyl inositolB. LecithinC. CephalineD. Serine phosphate

31.All are true concerning glutamic pyruvic transaminase EXCEPT ___.A. Normally found in liver cellsB. Functional serum enzymeC. Level in serum varies between 5 and 45 IU/LD. It is a tumor marker

32.All are true concerning cysteine EXCEPT ___.A. 20 primary amino acidsB. GlucogenicC. Enter in formation of melaninD. Thiol group of cysteine forms the active group of many enzymes

33.All are biological functions of serotonin EXCEPT ___.A. Excitatory chemical transmittersB. Mediates platelet aggregationC. Causes vasoconstriction of bronchiolesD. Transmitter in CNS

34.Site 1 in inhibition of respiratory chain is at ___.A. Between cytochrome b and cytochrome c1B. Cytochrome oxidase in complex fourC. Between succinate dehydrogenase and Q in complex IIID. Between FeS and Q in complex I

35.Essential fructosuria is due to hereditary deficiency of ___.


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A. FructokinaseB. AldolaseC. FructaseD. G-6-P dehydrogenase

36.Need minimal training is advantage of anthropometry.A. TrueB. False

37.Hardness of fats depends largely on the relative amounts of double bond.A. TrueB. False

38.4-hydroxyproline is an amino acid.A. TrueB. False

39. Increase in substrate concentration will lead to increase in enzyme activity.A. TrueB. False

40.Oxygen consumption increased only during exertion.A. TrueB. False


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ANSWER

1. C2. A3. D4. B5. D6. D7. B8. D9. B10.A11.C12.A13.C14.D15.A16.D17.

C

18.C19.D20.A21.B22.B23.C24.A25.D26.D27.B28.A29.A30.A31.B32.C33.D


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34.D35.A36.A37.B38.B39.A40.B

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JOM Mumtaz Module 2