Physics (PH) 2008 GATE Paper without solution GATE Notes | EduRev

GATE Past Year Papers for Practice (All Branches)

GATE : Physics (PH) 2008 GATE Paper without solution GATE Notes | EduRev

 Page 1


?PY?Gate 2008
  
1 
Q. No. 1 – 20 Carry One Mark Each 
1. An antidiabetic drug Piogliazone used in Type 2 diabetes acts by
(A) Decrease of glucose uptake in muscles (B) Increasing insulin sensitivity
(C) Inhibiting intestinal n-glucosidase (D) Stimulating insulin secretion
2. An angiotensin-II receptor blocker useful in treating hypertension is
(A) Enalaprilat (B) Valsartan (C) Atenolol (D) Amiodipine 
3. Co-administration of NSAIDs with Warfarin may often lead to
(A) Antagonistic interaction
(B) Interaction to change in drug transport
(C) Interaction due to disturbances in electrolyte balance
(D) Additive or synergistic interaction
4. Laminaria and Kelp are the principal genera, currently used for the industrial
production of
(A) Carrageenans (B) Agar 
(C) Fucans (D) Alginic acid and alginates 
5. A transverse section of the root fo Glycyrrhiza glabra when treated with 80%
sulphuric acid gave
(A) Deep yellow colour (B) No reaction, but only charring 
(C) Deep blue colour (D) Deep red colour 
6. Microscopy of the bulbs of Urginea Indica family Liliaceae shows 
(A) Prisms of calcium oxalate (B) Calcium carbonate and silica 
(C) Rosettes of calcium oxalate (D) Raphides of calcium oxalate 
7. Streptomycin is a
(A) di-acidic base possessing an aldehydic carbonyl group
(B) tri-acidic base possessing an aldehydic carbonyl group
(C) neutral compound possessing a ketonic group
(D) acidic compound possessing a carboxylic group
8. The antihistamine with diphenyl methyl group is
(A) Methdilazine (B) Cyclizine hydrochloride 
(C) Pheniramine (D) Phenindamine 
Page 2


?PY?Gate 2008
  
1 
Q. No. 1 – 20 Carry One Mark Each 
1. An antidiabetic drug Piogliazone used in Type 2 diabetes acts by
(A) Decrease of glucose uptake in muscles (B) Increasing insulin sensitivity
(C) Inhibiting intestinal n-glucosidase (D) Stimulating insulin secretion
2. An angiotensin-II receptor blocker useful in treating hypertension is
(A) Enalaprilat (B) Valsartan (C) Atenolol (D) Amiodipine 
3. Co-administration of NSAIDs with Warfarin may often lead to
(A) Antagonistic interaction
(B) Interaction to change in drug transport
(C) Interaction due to disturbances in electrolyte balance
(D) Additive or synergistic interaction
4. Laminaria and Kelp are the principal genera, currently used for the industrial
production of
(A) Carrageenans (B) Agar 
(C) Fucans (D) Alginic acid and alginates 
5. A transverse section of the root fo Glycyrrhiza glabra when treated with 80%
sulphuric acid gave
(A) Deep yellow colour (B) No reaction, but only charring 
(C) Deep blue colour (D) Deep red colour 
6. Microscopy of the bulbs of Urginea Indica family Liliaceae shows 
(A) Prisms of calcium oxalate (B) Calcium carbonate and silica 
(C) Rosettes of calcium oxalate (D) Raphides of calcium oxalate 
7. Streptomycin is a
(A) di-acidic base possessing an aldehydic carbonyl group
(B) tri-acidic base possessing an aldehydic carbonyl group
(C) neutral compound possessing a ketonic group
(D) acidic compound possessing a carboxylic group
8. The antihistamine with diphenyl methyl group is
(A) Methdilazine (B) Cyclizine hydrochloride 
(C) Pheniramine (D) Phenindamine 
?PY?Gate 2008
  
2 
9. Heterocyclic rings present in pilocarpine are
(A) Imidazole and Quinoline (B) Imidazole and Thiazole 
(C) Quinoline and Phenanthrene (D) Imidazole and Dihydrofuran 
10. The most important microbial virulence factor in the etiology of bacterial
meningitis is
(A) Exotoxin   (B) Components of the capsule
(C) Coagulase   (D) Hyaluronidase
11. Commonly used tetanus vaccine is produced by
(A)  treatment of the causative organism with heat or UV light and finally
obtaining the toxoid
(B) sub-culuring the virus at pH 10.4
(C) artificially generating antibodies to viral glycoproteins
(D) isolating the antigenicity genes from the causative organism
12. Which of the following equations is valid for standard B-DNA?
(A) A+T=G+C (B) A+T=2(G+C) (C) 2(A+T)=3(G+C) (D) A+G=T+C 
13. Clinical jaundice, typified by yellowing of the tissues is associated with elevated
levels of
(A) serum lysozyme   (B) serum bilirubin
(C) serum creatinine   (D) serum ?-glutamyl transferase
14. In NMR spectrometry, the chemical shift ( ) d is expressed in
(A) Parts per million (B) Gauss (C) Tesla (D) Hertz 
15. In chromatographic separation, the different species in the sample, undergo the
process of
(A) chemical interaction (B) partition (C) volatilization  (D) ionization
16. A target material used in the production of X-rays is 
(A) potassium (B) copper (C) aluminium (D) sodium 
17. The requirements and guidelines for clinical trials, import and manufacture of
new drugs as per the Drugs & Cosmetics Rules is given under Schedule
(A) N (B) Y (B) A (D) B
18. The growth of large particles at the expense of smaller ones, as a result of a
difference in the solubility of the particles of varying sizes, is termed as
(A) Interfacial phenomenon (B) Partitioning 
(C) Erosive formulation (D) Oswald ripening 
Page 3


?PY?Gate 2008
  
1 
Q. No. 1 – 20 Carry One Mark Each 
1. An antidiabetic drug Piogliazone used in Type 2 diabetes acts by
(A) Decrease of glucose uptake in muscles (B) Increasing insulin sensitivity
(C) Inhibiting intestinal n-glucosidase (D) Stimulating insulin secretion
2. An angiotensin-II receptor blocker useful in treating hypertension is
(A) Enalaprilat (B) Valsartan (C) Atenolol (D) Amiodipine 
3. Co-administration of NSAIDs with Warfarin may often lead to
(A) Antagonistic interaction
(B) Interaction to change in drug transport
(C) Interaction due to disturbances in electrolyte balance
(D) Additive or synergistic interaction
4. Laminaria and Kelp are the principal genera, currently used for the industrial
production of
(A) Carrageenans (B) Agar 
(C) Fucans (D) Alginic acid and alginates 
5. A transverse section of the root fo Glycyrrhiza glabra when treated with 80%
sulphuric acid gave
(A) Deep yellow colour (B) No reaction, but only charring 
(C) Deep blue colour (D) Deep red colour 
6. Microscopy of the bulbs of Urginea Indica family Liliaceae shows 
(A) Prisms of calcium oxalate (B) Calcium carbonate and silica 
(C) Rosettes of calcium oxalate (D) Raphides of calcium oxalate 
7. Streptomycin is a
(A) di-acidic base possessing an aldehydic carbonyl group
(B) tri-acidic base possessing an aldehydic carbonyl group
(C) neutral compound possessing a ketonic group
(D) acidic compound possessing a carboxylic group
8. The antihistamine with diphenyl methyl group is
(A) Methdilazine (B) Cyclizine hydrochloride 
(C) Pheniramine (D) Phenindamine 
?PY?Gate 2008
  
2 
9. Heterocyclic rings present in pilocarpine are
(A) Imidazole and Quinoline (B) Imidazole and Thiazole 
(C) Quinoline and Phenanthrene (D) Imidazole and Dihydrofuran 
10. The most important microbial virulence factor in the etiology of bacterial
meningitis is
(A) Exotoxin   (B) Components of the capsule
(C) Coagulase   (D) Hyaluronidase
11. Commonly used tetanus vaccine is produced by
(A)  treatment of the causative organism with heat or UV light and finally
obtaining the toxoid
(B) sub-culuring the virus at pH 10.4
(C) artificially generating antibodies to viral glycoproteins
(D) isolating the antigenicity genes from the causative organism
12. Which of the following equations is valid for standard B-DNA?
(A) A+T=G+C (B) A+T=2(G+C) (C) 2(A+T)=3(G+C) (D) A+G=T+C 
13. Clinical jaundice, typified by yellowing of the tissues is associated with elevated
levels of
(A) serum lysozyme   (B) serum bilirubin
(C) serum creatinine   (D) serum ?-glutamyl transferase
14. In NMR spectrometry, the chemical shift ( ) d is expressed in
(A) Parts per million (B) Gauss (C) Tesla (D) Hertz 
15. In chromatographic separation, the different species in the sample, undergo the
process of
(A) chemical interaction (B) partition (C) volatilization  (D) ionization
16. A target material used in the production of X-rays is 
(A) potassium (B) copper (C) aluminium (D) sodium 
17. The requirements and guidelines for clinical trials, import and manufacture of
new drugs as per the Drugs & Cosmetics Rules is given under Schedule
(A) N (B) Y (B) A (D) B
18. The growth of large particles at the expense of smaller ones, as a result of a
difference in the solubility of the particles of varying sizes, is termed as
(A) Interfacial phenomenon (B) Partitioning 
(C) Erosive formulation (D) Oswald ripening 
?PY?Gate 2008
  
3 
19. Cyclic oligomers of glucose that form water soluble inclusion complexes, which
are biocompatible and improve the bioavailability of drugs
(A)  chlorophyll   (B)  polyethylene glycol
(C) cross povidone    (D) cyclodextrin
20. ‘Draves test’ is associated with measuring the efficiency of
(A) Detergents (B) Wetting agents 
(C) Suspending agents (D)  Adsorbent 
Q. No. 21 – 75 Carry Two Marks Each 
21. Effects of fibrates on blood lipids are mediated by
(A) Inhibiting both synthesis and esterification of fatty acids
(B) Their interaction with peroxisome proliferators-activated receptors (PPARs)
(C) Reducing the conversion of HMG-CoA to mevalonate
(D) Sequestering bile acids
22. A cardioselective beta blocker with vasodilating properties is
(A) Pindolol (B) Atenolol (C) Bisoprolol (D) Nebivolol 
23. is the precursor for the biosynthesis of 
(A) (B) 
(C) (D) 
24. (-) – Hyoscyamine is
(A) 15-20 times more active as a mydriatic than (+)- hyoscyamine
(B) Inactive as a mydriatic
(C) 3-5 times less active as a mydriatic than (+)- hyoscyamine
(D) 100 times more active as a mydriatic than (+)- hyoscyamine
-CH CH COOH = -
2
CH OH
N O
O
NH
2 3
CH -COCH
COOH
2
CH OH
Page 4


?PY?Gate 2008
  
1 
Q. No. 1 – 20 Carry One Mark Each 
1. An antidiabetic drug Piogliazone used in Type 2 diabetes acts by
(A) Decrease of glucose uptake in muscles (B) Increasing insulin sensitivity
(C) Inhibiting intestinal n-glucosidase (D) Stimulating insulin secretion
2. An angiotensin-II receptor blocker useful in treating hypertension is
(A) Enalaprilat (B) Valsartan (C) Atenolol (D) Amiodipine 
3. Co-administration of NSAIDs with Warfarin may often lead to
(A) Antagonistic interaction
(B) Interaction to change in drug transport
(C) Interaction due to disturbances in electrolyte balance
(D) Additive or synergistic interaction
4. Laminaria and Kelp are the principal genera, currently used for the industrial
production of
(A) Carrageenans (B) Agar 
(C) Fucans (D) Alginic acid and alginates 
5. A transverse section of the root fo Glycyrrhiza glabra when treated with 80%
sulphuric acid gave
(A) Deep yellow colour (B) No reaction, but only charring 
(C) Deep blue colour (D) Deep red colour 
6. Microscopy of the bulbs of Urginea Indica family Liliaceae shows 
(A) Prisms of calcium oxalate (B) Calcium carbonate and silica 
(C) Rosettes of calcium oxalate (D) Raphides of calcium oxalate 
7. Streptomycin is a
(A) di-acidic base possessing an aldehydic carbonyl group
(B) tri-acidic base possessing an aldehydic carbonyl group
(C) neutral compound possessing a ketonic group
(D) acidic compound possessing a carboxylic group
8. The antihistamine with diphenyl methyl group is
(A) Methdilazine (B) Cyclizine hydrochloride 
(C) Pheniramine (D) Phenindamine 
?PY?Gate 2008
  
2 
9. Heterocyclic rings present in pilocarpine are
(A) Imidazole and Quinoline (B) Imidazole and Thiazole 
(C) Quinoline and Phenanthrene (D) Imidazole and Dihydrofuran 
10. The most important microbial virulence factor in the etiology of bacterial
meningitis is
(A) Exotoxin   (B) Components of the capsule
(C) Coagulase   (D) Hyaluronidase
11. Commonly used tetanus vaccine is produced by
(A)  treatment of the causative organism with heat or UV light and finally
obtaining the toxoid
(B) sub-culuring the virus at pH 10.4
(C) artificially generating antibodies to viral glycoproteins
(D) isolating the antigenicity genes from the causative organism
12. Which of the following equations is valid for standard B-DNA?
(A) A+T=G+C (B) A+T=2(G+C) (C) 2(A+T)=3(G+C) (D) A+G=T+C 
13. Clinical jaundice, typified by yellowing of the tissues is associated with elevated
levels of
(A) serum lysozyme   (B) serum bilirubin
(C) serum creatinine   (D) serum ?-glutamyl transferase
14. In NMR spectrometry, the chemical shift ( ) d is expressed in
(A) Parts per million (B) Gauss (C) Tesla (D) Hertz 
15. In chromatographic separation, the different species in the sample, undergo the
process of
(A) chemical interaction (B) partition (C) volatilization  (D) ionization
16. A target material used in the production of X-rays is 
(A) potassium (B) copper (C) aluminium (D) sodium 
17. The requirements and guidelines for clinical trials, import and manufacture of
new drugs as per the Drugs & Cosmetics Rules is given under Schedule
(A) N (B) Y (B) A (D) B
18. The growth of large particles at the expense of smaller ones, as a result of a
difference in the solubility of the particles of varying sizes, is termed as
(A) Interfacial phenomenon (B) Partitioning 
(C) Erosive formulation (D) Oswald ripening 
?PY?Gate 2008
  
3 
19. Cyclic oligomers of glucose that form water soluble inclusion complexes, which
are biocompatible and improve the bioavailability of drugs
(A)  chlorophyll   (B)  polyethylene glycol
(C) cross povidone    (D) cyclodextrin
20. ‘Draves test’ is associated with measuring the efficiency of
(A) Detergents (B) Wetting agents 
(C) Suspending agents (D)  Adsorbent 
Q. No. 21 – 75 Carry Two Marks Each 
21. Effects of fibrates on blood lipids are mediated by
(A) Inhibiting both synthesis and esterification of fatty acids
(B) Their interaction with peroxisome proliferators-activated receptors (PPARs)
(C) Reducing the conversion of HMG-CoA to mevalonate
(D) Sequestering bile acids
22. A cardioselective beta blocker with vasodilating properties is
(A) Pindolol (B) Atenolol (C) Bisoprolol (D) Nebivolol 
23. is the precursor for the biosynthesis of 
(A) (B) 
(C) (D) 
24. (-) – Hyoscyamine is
(A) 15-20 times more active as a mydriatic than (+)- hyoscyamine
(B) Inactive as a mydriatic
(C) 3-5 times less active as a mydriatic than (+)- hyoscyamine
(D) 100 times more active as a mydriatic than (+)- hyoscyamine
-CH CH COOH = -
2
CH OH
N O
O
NH
2 3
CH -COCH
COOH
2
CH OH
?PY?Gate 2008
  
4 
25. 
The reaction is known as 
(A) Grignard reaction  (B) Gabriel phthalimide synthesis 
(C) Gomberg reaction (D) Reimer Tiemann reaction 
26. In thiazole diuretics, the position 7 is very important and is occupied by a 
(A) CH
3
 group   (B) Free sulphamoyl group 
(C) Chloro group   (D) Free – NH
2
 group 
27. Compound I reacts with II to form X
X is 
(A) Ethyl biscoumacetate (B) Phenindione 
(C) Warfarin (D) Dicoumarol 
28. A mass spectrum is obtained by plotting
(A) Molecular weight versus peak height
(B) Concentration versus peak height
(C) Concentration versus degree of deflection of ions
(D) Abundance of ions versus their m/e ratio
29. Aldehydes can be distinguished from other C=O containing compounds by IR,
due to
(A) The low frequency of absorption of aldehydes
(B) The alkyl or aryl group is attached to >C=O
(C) The double bond present
(D) The double at the C-H-stretching region
O
+
3
H C
3
H C
2 2 2
N CH CH CH Cl Mg - - - +
tetrahydrofuran, dry ether
HO
( )
2 2 2 3
2
CH CH CH N CH
O O
+
3
CH CH COCH = - X
II
OH
I
Page 5


?PY?Gate 2008
  
1 
Q. No. 1 – 20 Carry One Mark Each 
1. An antidiabetic drug Piogliazone used in Type 2 diabetes acts by
(A) Decrease of glucose uptake in muscles (B) Increasing insulin sensitivity
(C) Inhibiting intestinal n-glucosidase (D) Stimulating insulin secretion
2. An angiotensin-II receptor blocker useful in treating hypertension is
(A) Enalaprilat (B) Valsartan (C) Atenolol (D) Amiodipine 
3. Co-administration of NSAIDs with Warfarin may often lead to
(A) Antagonistic interaction
(B) Interaction to change in drug transport
(C) Interaction due to disturbances in electrolyte balance
(D) Additive or synergistic interaction
4. Laminaria and Kelp are the principal genera, currently used for the industrial
production of
(A) Carrageenans (B) Agar 
(C) Fucans (D) Alginic acid and alginates 
5. A transverse section of the root fo Glycyrrhiza glabra when treated with 80%
sulphuric acid gave
(A) Deep yellow colour (B) No reaction, but only charring 
(C) Deep blue colour (D) Deep red colour 
6. Microscopy of the bulbs of Urginea Indica family Liliaceae shows 
(A) Prisms of calcium oxalate (B) Calcium carbonate and silica 
(C) Rosettes of calcium oxalate (D) Raphides of calcium oxalate 
7. Streptomycin is a
(A) di-acidic base possessing an aldehydic carbonyl group
(B) tri-acidic base possessing an aldehydic carbonyl group
(C) neutral compound possessing a ketonic group
(D) acidic compound possessing a carboxylic group
8. The antihistamine with diphenyl methyl group is
(A) Methdilazine (B) Cyclizine hydrochloride 
(C) Pheniramine (D) Phenindamine 
?PY?Gate 2008
  
2 
9. Heterocyclic rings present in pilocarpine are
(A) Imidazole and Quinoline (B) Imidazole and Thiazole 
(C) Quinoline and Phenanthrene (D) Imidazole and Dihydrofuran 
10. The most important microbial virulence factor in the etiology of bacterial
meningitis is
(A) Exotoxin   (B) Components of the capsule
(C) Coagulase   (D) Hyaluronidase
11. Commonly used tetanus vaccine is produced by
(A)  treatment of the causative organism with heat or UV light and finally
obtaining the toxoid
(B) sub-culuring the virus at pH 10.4
(C) artificially generating antibodies to viral glycoproteins
(D) isolating the antigenicity genes from the causative organism
12. Which of the following equations is valid for standard B-DNA?
(A) A+T=G+C (B) A+T=2(G+C) (C) 2(A+T)=3(G+C) (D) A+G=T+C 
13. Clinical jaundice, typified by yellowing of the tissues is associated with elevated
levels of
(A) serum lysozyme   (B) serum bilirubin
(C) serum creatinine   (D) serum ?-glutamyl transferase
14. In NMR spectrometry, the chemical shift ( ) d is expressed in
(A) Parts per million (B) Gauss (C) Tesla (D) Hertz 
15. In chromatographic separation, the different species in the sample, undergo the
process of
(A) chemical interaction (B) partition (C) volatilization  (D) ionization
16. A target material used in the production of X-rays is 
(A) potassium (B) copper (C) aluminium (D) sodium 
17. The requirements and guidelines for clinical trials, import and manufacture of
new drugs as per the Drugs & Cosmetics Rules is given under Schedule
(A) N (B) Y (B) A (D) B
18. The growth of large particles at the expense of smaller ones, as a result of a
difference in the solubility of the particles of varying sizes, is termed as
(A) Interfacial phenomenon (B) Partitioning 
(C) Erosive formulation (D) Oswald ripening 
?PY?Gate 2008
  
3 
19. Cyclic oligomers of glucose that form water soluble inclusion complexes, which
are biocompatible and improve the bioavailability of drugs
(A)  chlorophyll   (B)  polyethylene glycol
(C) cross povidone    (D) cyclodextrin
20. ‘Draves test’ is associated with measuring the efficiency of
(A) Detergents (B) Wetting agents 
(C) Suspending agents (D)  Adsorbent 
Q. No. 21 – 75 Carry Two Marks Each 
21. Effects of fibrates on blood lipids are mediated by
(A) Inhibiting both synthesis and esterification of fatty acids
(B) Their interaction with peroxisome proliferators-activated receptors (PPARs)
(C) Reducing the conversion of HMG-CoA to mevalonate
(D) Sequestering bile acids
22. A cardioselective beta blocker with vasodilating properties is
(A) Pindolol (B) Atenolol (C) Bisoprolol (D) Nebivolol 
23. is the precursor for the biosynthesis of 
(A) (B) 
(C) (D) 
24. (-) – Hyoscyamine is
(A) 15-20 times more active as a mydriatic than (+)- hyoscyamine
(B) Inactive as a mydriatic
(C) 3-5 times less active as a mydriatic than (+)- hyoscyamine
(D) 100 times more active as a mydriatic than (+)- hyoscyamine
-CH CH COOH = -
2
CH OH
N O
O
NH
2 3
CH -COCH
COOH
2
CH OH
?PY?Gate 2008
  
4 
25. 
The reaction is known as 
(A) Grignard reaction  (B) Gabriel phthalimide synthesis 
(C) Gomberg reaction (D) Reimer Tiemann reaction 
26. In thiazole diuretics, the position 7 is very important and is occupied by a 
(A) CH
3
 group   (B) Free sulphamoyl group 
(C) Chloro group   (D) Free – NH
2
 group 
27. Compound I reacts with II to form X
X is 
(A) Ethyl biscoumacetate (B) Phenindione 
(C) Warfarin (D) Dicoumarol 
28. A mass spectrum is obtained by plotting
(A) Molecular weight versus peak height
(B) Concentration versus peak height
(C) Concentration versus degree of deflection of ions
(D) Abundance of ions versus their m/e ratio
29. Aldehydes can be distinguished from other C=O containing compounds by IR,
due to
(A) The low frequency of absorption of aldehydes
(B) The alkyl or aryl group is attached to >C=O
(C) The double bond present
(D) The double at the C-H-stretching region
O
+
3
H C
3
H C
2 2 2
N CH CH CH Cl Mg - - - +
tetrahydrofuran, dry ether
HO
( )
2 2 2 3
2
CH CH CH N CH
O O
+
3
CH CH COCH = - X
II
OH
I
?PY?Gate 2008
  
5 
30. A super disintegrant in tablet formulation is
(A) sodium starch glycollate (B) starch 
(C) PVP (D)  Mg-Aluminium silicate 
31. A drug was administered to 30 subjects as a tablet (30 mg), an oral aqueous
solution (30 mg) and as an intravenous infusion (0.3 mg). Mean AUC's
(ng.hr/mL), dose normalized to 1 mg, for tablet, oral solution and IV were 0.91,
0.87 and 103.0 respectively.
Calculate the relative bioavailability of the drug in tablet compared to the oral
solution and the absolute bioavailability of tablet form
(A) 104.6%, 0.883% (B) 81%,5.6% 
(C)  10.46%, 8.83% (D)  19%, 56% 
32. When ammonium chloride is gradually and slowly incorporated into an emulsion
stabilized with ammonium oleate,
(A) Emulsion will crack immediately
(B)  It will invert from o/w to w/o type
(C)  It will invert from w/o to o/w type
(D)  There will be no impact on its physical stability
33. A prescription requires 4 mEq/ liter of hydrogen phosphate ion HPO
4
-2
. How many
milligrams of dibasic potassium phosphate K
2
HPO
4
 (molecular weight 174) be
required?
(A)  174 mg/litre (B)  30.5 mg/litre (C) 522 mg / litre (D) 348 mg/ litre 
34. Gram positive bacteria typically contain
(A) cell walls that lack peptidoglycans
(B) repeating units of arabinogalactan and mycolates in their cell walls
(C) Peptidoglycan containing muramic acid and D-amino acids in their cell walls
(D) cell walls containing predominantly polysaccharides and glycoprotein
35. Quaternary structure of a protein molecule refers to
(A)  Specific association of two or more copies of a polypeptide chain to result in
a biologically active molecule 
(B)  Regularly seen local structures within a polypeptide chain 
(C) The portion of the polypeptide chain that comes into contact with another 
protein molecule 
 (D) The portion of the structure that gets stabilized upon binding to nucleic acids 
36. A blood sample is treated with alkaline phosphotungestic acid to from tungsten 
blue, which is estimated colorimetric ally to give a positive reaction. The sample 
contains 
(A) Protien (B) Serum  creatinine 
(C) Serum Phenylalanine (D) Uric acid 
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