Graduate Pharmacy Aptitude Test (GPAT) Models: gpat old questions

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Monday, November 28, 2011

GATE PY 1999 Pharmacy Question Paper

GATE PY – 1999 Question Paper SECTION – A

1. (i) This question consists of 25 (Twenty five) m ultiple choice questions each carrying one mark. (ii) Choose the correct answer. (iii) Enter (a) or (b), (c) or (d) as the case m ay be in the boxes corresponding to the questions in the first page of the answer book.

1.1 One of the following statements for adenyl cyclase is wrong. Identify. (a) is a membrane bound enzyme (b) inactivated by Phosphodiesterase (c) catalyses the A.M.P. formation (d) active only when associated with G. Protein

1.2 Which one of the following device is used to increase the efficiency of drug delivery via aerosols? (a) Tube spacers (b) Metered valve (c) Actuator (d) Pressure valve

1.3 One of the uses given below for opioids is not correct. Indicate (a) Antitussive (b) Analgesic (c) Anti-inflammatory (d) antidiarrhoeal

1.4 Which one of the following is used as a preservative in ophthalmic preparations? (a) Benzalkonium Chloride (b) Phenol (c) Benzoic acid (d) Chlorocresol

1.5 The activity of one of the following drugs is dependent on Pheny-N-alkyl piperidine moiety? (a) Meperidine (b) Impipramine (c) Diazepam (d) Chlorpromazine

1.6 One of the organism mentioned below is used as a biological indicator in I.P. for ethylene oxide sterilization. Choose the correct one. (a) Bacillus stearothermophilus (b) Spores of Bacillus subtilis (c) Bacillus pumilus (d) Spores of Bacillus cereus

1.7 The most common causative agent of Bacterial Pneumonia is: (a) Staphylococcus aureus (b) Escherichia coli (c) Streptococcus pneumoniae (d) Mycoplasmapneumoniae 1.8 Creatinine clearance is used as a measurement for (a) Glomerular filtration rate (b) Renal excretion rate (c) Drug metabolism rate (d) Passive renal excretion

1.9 Choose the correct starting material for the synthesis of Ethacrynic Acid (a) 2, 3-Dichloro phenoxy acetic acid (b) 2, 3-Dibromo phenoxy acetic acid (c) 2, 3-Dichloro phenoxy propionic acid (d) 2, 3-Dichloro phenoxy butyric acid

1.10 Choose the correct metabolic process for Phenobarbitone (a) p-Hydroxylation followed by reduction (b) p-Hydroxylation followed by Glucuronidation (c) p-Hydroxylation followed by acetylation (d) p-Hydroxylation followed by oxidation

1.11 Which one of the following antihistaminic is a basic ether? (a) Pheniramine Maleate (b) Triprolidine hydrochloride (c) Diphenhydramine hydrochloride (d) Promethazine hydrochloride

1.12 Conductivity cells are made up of (a) two silver rods (b) two parallel sheets of platinum (c) glass membrane with Ag/AgCl (d) Sb-Sb O 2 3

1.13 The chemical shift value is (a) proportional to field strength (b) not proportional to field strength (c) ratio of the number of Protons in each group (d) proportional to the total number of protons

1.14 Select the equation that gives the rate of drug dissolution from a tablet (a) Fick‘s law (b) Henderson Hasselbatch equation (c) Noyes Whitney equation (d) Michelis Menten equation

1.15 Energy absorbed in U.V. region produces changes in (a) the rotational energy of the molecule (b) the vibrational energy of the molecule (c) the electronic energy of the molecule (d) all the three energy levels of the molecule

1.16 Dose dumping is a problem in the formulation of (a) compressed tablets (b) suppositories (c) soft gelatin capsules (d) controlled release drug products

1.17 The initial distribution of a drug into the tissue is determined chiefly by (a) rate of blood flow to the tissue (b) plasma protein binding of the drug (c) affinity for the tissue (d) stomach emptying time

1.18 Choose the correct characteristic of the epidermal cells and cuticle of Atropa belladonna leaf (a) Pitted walls with striated cuticle (b) Wavy walls with striated cuticle (c) Algal cell walls with smooth cuticle (d) Straight walls with wavy cuticle

1.19. Meclizine hydrochloride is prepared from which one of the following? (a) 1-(4-chloro benzhydryl)-Pyridine and 3-methyl benzaldehyde (b) 1-(2-chloro benzhydryl)-Piperazine and 3-methyl benzaldehyde (c) 1-(4-chloro benzhydryl)- Piperazine and 3-methyl benzaldehyde (d) 1-(4-chloro benzhydryl)- Piperazine and 2-methyl benzaldehyde

1.20. Which one of the following is an Ex-Officio member of the State Pharmacy Council? (a) Chief Pharmacist of Government hospital (b) Chief Administrative Medical Officer of the state (c) Registered Pharmacist (d) Assistant Drug Controller

1.21. Phloroglucinol and Hydrochloric acid produces pink or red colour with (a) Cellulose cell walls (b) Lignified cell walls (c) Cutinized cell walls (d) Mucilaginous cell walls

1.22. One of the forms mentioned below is used to issue licence for wholesale of drugs other than specified in schedule C, C and X. Choose the correct one. (a) 20.B (b) 20 B.B (c) 21 B (d) 20 A

1.23. Choose the correct chemical name for Chloropromazine hydrochloride (a) [3-(2-chrophenothiazin-10-yl) propyl] diethylamine hydrochloride (b) [2-(3-chrophenothiazin-10-yl) propyl] diethylamine hydrochloride (c) [3-(2-chlorophenothiazin-10-yl) propyl] diethylamine hydrochloride (d) [3-(3-chlorophenothiazin-10-yl) propyl] diethylamine hydrochloride

1.24. Wavelength of a radiation is 5.0 . Wave number corresponding to that is: (a) 4000 cm (b) 2000 cm (c) 3000 cm (d) 1000 cm 1.25 Choose the synthetic adrenocortical steroid, which do not occur in nature. (a) 11 ß , 17 a , 21-Trihydroxy-1, 4-pregnadiene-3, 20-dione (b) 17 a , 21-Dihydroxy pregna-4-ene-3, 11, 20-trione (c) 11 ß , 17 a , 21-Trihydroxy pregna-4-ene-3, 20-dione (d) 3-oxo-17 ß -Hydroxy androst-4-ene.

2. Match each of the item s 1 and 2 on the left with an appropriate item on the right [a, b, c, d] and answer in the specific space provided in the answer book.

2.1 Match the correct heterocyclic system present in the medicinal agents given in (a) to (d).

(1) 5H Dibenz (b œ f) azepine (a) Nitrazepam (2) 1, 4-Dihydro-1, 8-Naphthyridine-4-one (b) Carbamazepine (c) Imipramine (d) Nalidixic acid

2.2. Match the titrants used for the following: (1) Paracetamol I.P. (a) Perchloric Acid (2) Phenytoin sold-I.P. (b) EDTA (c) Ceric ammonium sulphate (d) Tetra butyl ammonium hydroxide

2.3. Starting material for the synthesis of medicinal agents are listed below. Match them with the correct ones from (a) to (d). (1) 2-Amino-5-chloro-benzophenone (a) Ethosuximide (2) Butanone and ethyl cyano acetate (b) Diazepam (c) Prochloroperazine (d) Propranolol

2.4. The ring structures present in the alkaloids listed below are given in (a) œ (d). Match them.

(1) Codeine (a) Phenanthrene (2) Ergotamine (b) Indole (c) Quinoline (d) Iso-quinoline

2.5. The following terms are used to describe the parts of certain plants listed in (a) to(d). Match them.

(1) Hypanthium (a) Prunus communis (2) Rhytidoma (b) Cinnamon bark (c) Roots of Rauwolfia serpentine (d) Eugenia caryophyllus

2.6. The chief active constituents of some umbrelliferous fruits are listed in (a) œ (d). Match them with the correct source. (1) Foeniculum capillaceum (a) Anethol (2) Anethum graveolens (b) Carvone (c) Khellin (d) Linalool

2.7. Some substances used in tablet coating process are given. Match them with their correct use mentioned in (a) to (d). (1) Shellac (a) Polishing (2) Hydroxy propyl methyl cellulose (b) Seal coating (c) Film former (d) Sub-coating

2.8. Some materials used in the manufacture of pharmaceutical dosage forms are given. Match them with correct use mentioned in (a) œ (d).

(1) Sorbitol (a) Preservative for capsules (2) Titanium dioxide (b) Plasticizer in soft gelatin capsules (c) Lubricant for tablets (d) Opacifier for gelatin mass

2.9. Given below are the aerosol systems. Match them with their correct propellants given in (a) œ (d). (1) Aerosol for oral use (a) Propane (2) Aerosol for topical use (b) Oxygen (c) Methane (d) Trichlro-monofluoro methane

2.10. Some of the applications for immobilized enzyme systems are given below. Match with the process listed in (a) œ (d). (1) Amino cyclase (a) N-oxidation of drugs containing Hydrazine (2) Flavoprotein oxidase (b) Resolution of DL-amino acid (c) D-amino acid production (d) Nucleotide production from RNA

2.11. Systematic chemical names of the medicinal agents are given in (a) œ (d). Match them.

ß -ethyl-17 ß hydroxyl-18 19 dinor-17 a -Pregn-4-4n-20 yn- (1) Indomethacin (a) 13 3-one ß -methyl-17 a hydroxyl-18 nor-17- a -Pregn-4-en-20 yn-3- (2) Levonorgestrol (b) 13 one

(c) 1-(2-chloro benzyl)-5-ethoxy-2-methyl indoyl-3-yl, acetic acid (d) 1-(4 chloro benzoyl)-5-methoxy 2-methyl indol-3-yl, acetic acid

2.12. Storage conditions as per I.P. for different preparations are given. Match them with the correct temperature prescribed. (1) Cold (a) Between 20°C and 8°C (2) Warm (b) Below 20°C (c) Any temperature between 30°C and 40°C (d) Above 40°C

2.13. The wave lengths of two different regions of the electromagnetic spectrum are given from (a) to (d). Match them. (1) Finger print region (a) 2.5 to 8.0 m (2) Visible region (b) 8.0 to 15.0 m (c) 0.2 to 0.35 m (d) 0.4 to 0.8 m

2.14. Match the correct applications mentioned in (a) œ (d) with the two equations. (1) Nernst equation (a) Potential (2) Ilkovic equation (b) Migration current (c) Diffusion current (d) Conductance

2.15. Certain drug combinations are given below. Match them with the correct drug interaction given in (a) to (d).

(1) Phenobarbitone and Digitoxin A (a) Induction of Hepatic Microsomal enzyme under digitalization (2) Aspirin and Methotrexate (b) Potentiation of the activity of Digitalis (c) Less absorption of Methotrexate (d) Displacement of Protein Binding site- increase toxicity of Methotrexate

2.16. Mechanism of action of drugs listed below are given (a) to (d). Match them.

(1) a -Methyl Dopa (a) Multiple sites including a agonism (2) Minoxidil (b) Catecholamine release (c) Sympathetic neuronal block (d) Non-selective vasodilation

2.17. Listed below are some important metabolic products of the drugs given in (a) to (d). Match them.

(1) p-Fluro phenyl acetic acid glycine conjugate (a) Paracetamol (2) Diphenyl methoxy acetic acid glutamibne conjugate (b) Diloxanide furoate (c) Halaperidol (d) Diphenhydramine

2.18. Listed below is the percentage of Protein binding of some drugs given in (a) to (d). Match them.

(1) 0% A (a) Oxyphenbutazone (2) 99% D (b) Lisinopril (c) Hexobarbital (d) Morphine

2.19. The items listed from (a) to (d) can be identified by the tests given below. (1) Coomb‘s test (a) Candida albicans (2) Coagulase test (b) Virulent Staphylococcus aureus (c) Mycobacterium tuberculosis (d) Non agglutinating antibodies

2.20. For the following drugs, specific mechanism of action is given in (a) to (d). Match them.

(1) Spiranolactone (a) Non competitively inhibit the enzyme carbonic anhydrase (2) Acetazolamide (b) Inhibit the contransport of Na and Cl in loop of Henle + -

(c) Competitive inhibitor of aldosterone at the receptors in the distal tubule + – and Cl re-absorption at proximal (d) Direct inhibition of Na portion

2.21. Given below are different schedules as per the (d) and (c) Act. Match them with items mentioned in (a) to (d). (1) Schedule FF (a) Standards for ophthalmic preparations

(2) Schedule M (b) Diseases or ailments which a drug may not purport to prevent or cure (c) Lite period of drugs (d) Requirements of factory premises

2.22. Two types of detectors are given below. Match them with the instrument given in (a) to (d). (1) Flame ionization detector (a) IR Spectrophotometer (2) Golay pneumatic detector (b) UV Spectrophotometer (c) Flame photometer (d) Gas chromatograph

2.23. Appropriate structural formulae for Monocyclic monoterpene and Bicyclic monoterpene are given in (a) to (d). Match them.

(1) Monocyclic monoterpene (a) (2) Bicyclic monoterpene (b)

2.24. Two methods of sterilization are given for the materials listed from (a) to (d). Match them correctly. (1) Dry heat (a) Rooms (2) – radiation (b) Plastic syringes (c) Talcum powder (d) Intra venous admixture

2.25. Listed are some of the microscopical characters of bark powder obtained from the plants mentioned in (a) to (d). Match them. (1) Narrow slender lignified phloem fibres (a) Cinchona succirubra occur singly or tangential rows of 2-5. Lignified, colourless Narrow sub rectangular parenchyma with small starch grains. Less amount of cork. (2) Wider phloem fibres, Larger-Starch (b) Cinnamomum zeylanicum grains Longer fibres abundant cork (c) Cinnamomum cassia (d) Holarrhena antidysentrica

SECTION – B

This section consists of TW ENTY questions of FIVE marks each. Attem pt ANY FIFTEEN questions. Answers must be given in the answer book provided. Answer for each question must start on a fresh page and m ust appear at one place only.

3. Draw the strcutres of Anthraquinone, Oxanthrone, Anthranol Anthrone and Dianthrone.

4. Starting from m-choroaniline, draw a scheme for the preparations of chlorothiazide and then to hydrochlorothiazide. Give the structural formulae of all reactants, reagents and products.

5. (a) Write complete equations for the following reaction: 1-(4 hydroxy phenyl)-2-amino propanol + 1-phenoxy-2-propyl bromide ‰ (b) What is the common name of the medicinal agent formed? (c) To which pharmacological category it can be included.

6. (a) Complete the following synthesis by writing the full equation: Ethyl- a -hydroxy- a -methyl Propionate + Urea (b) Streptomycin acts as a triacidic base œ which groups are responsible for this.

7. Draw the structural formulae of the products obtained at 1, 2, 3, 4 and 5.

8. (a) What is cell constant? How is it determined? (b) Give the reason for the following: (i) In conductometric titration the titrant should be at least ten times as concentrated as the solution being titrated. (ii) Temperature control is important in conductometric titations.

9. (a) Define [Answer each in one or two sentences only] (a) Palisade ratio (b) Stomatal number (c) Stomatal index (d) Vein islet number (e) Vein islet termination number

10. (a) Name the types of Stomata present in the following medicinal plants: (i) Digitalis purpurea leaves (ii) Datura stramonium leaves (iii) Cassia acutifolia leaves (iv) Mentha piperita (b) Give the murexide test for detecting purine derivatives.

11. (a) How Benzodiazepines produce claming effect? (b) How anxiolytic activity can be correlated? (c) Why presence of 3(-OH) group confers shorter duration of action? (d) Why intravenous solution of diazepam cause precipitation when mixed with aqueous solution? (e) What is the clinical use of Adenosine?

12. List the quality control tests specified in I.P. for injections.

13. A solution of a drug contained 1000 units/milliliter when prepared. It was analysed after a period of 40 days and was found to contain 600 units/milliliter. Assuming the decomposition is of first order, at what time will the drug have decomposed to one half of its original concentration?

14. What are the five basic components present in tablet compressing machine? Give their specific uses. (Answer each point in one sentence only).

15. (a) Name the principle on which freeze drying works. (b) Name the four basic components of freeze drier.

16. Define the following in or two sentences only: (i) Diploid (ii) Erythropoietin (iii) Genome (iv) Plasmid (v) Virion

17. Name five important components of a gas chromatograph.

18. (a) Given below are the names of common microorganisms and starting materials used for bio-conversion . Name the probable compounds formed or changes effected: (i) Accetobacter suboxydans/D Sorbitol (ii) Rhizopus arrhizus/progesterone (iii) Curvularia lunata/Progesterone (b) Name the enzymes present in the following microbes: (i) asperigillus oryzae (ii) Clostridium histolyticum

19. Some of the anticancer drugs act at the following specific sites in a manner exclusive for them: (a) Converted to fraudulent nucleotide and inhibits purine biosynthesis (b) Converted to fraudulent nucleotide and inhibits thymidylate synthetase (c) Intercalates in DNA and stabilizes the DNA topo isomerase II complex (d) Binds tubulin and inhibits microtubule formation (e) Inhibits proliferation of lymphocytes Name the class of compounds accordingly.

20. (a) Give the mechanism of action of: (i) Nystatin (ii) Griseofulvin (iii) Omeprazole (b) (i) Give the names of the immediate precursor of catecholamines. (ii) Which is the rate limiting enzyme in catechlolamine biosynthesis?

21. In the microbiological assay of Bacitracin I.P., mention: (i) Method adopted (ii) Organism used (iii) pH of the media (iv) Incubation time (v) Incubation temperature

22. (a) Give three methods of record the IR spectra of solids. (b) Name two ways (phases) by which partition chromatography can be conducted.

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GATE PY – 1992 Question Paper

GATE PY – 1992 Question Paper PART-A SECTION – I 1.

1.1 Simethicone is a component of several antacid formulations. Chemically it is (a) wax (b) fat (c) Aldehyde (d) silicon

1.2 The pharmacy Council of India is constituted by the (a) Central Government (b) State Government (c) Parliament (d) Legislative Assembly

1.3 All of the following physicochemical constants are useful in predicting the solubility of a drug except (a) Dielectric constants (b) pH of a solution (c) pKa of the drug (d) Valency

1.4 sigma blade mixers are commonly used in (a) wet granulation (b) dry granulation (c) powder mixing (d) crude fiber mixing

1.5 The 5 ß pregnane is said to have a (a) trans-anti-trans-anti-trans backbone (b) cis-anti-trans-trans backbone (c) cis-syn-trans-syn-trans backbone (d) trans-anti-cis-anti-cis backbone

1.6 Many drugs are chiral. In a synthesis of chiral drug molecules in symmetric environment (a) always one enantiomer is obtained (b) always both enantiomers is obtained in equal amounts (c) always both enantiomers is obtained in unequal amounts (d) none of the above

1.7 Poorly manufactured tablets may have small pinholes on the surface. This phenomenon is known as (a) Picking (b) Mottling (c) Leaching (d) Cracking

1.8 Ascorbic acid exists in nature (a) only in the reduced form which has only biological activity (b) only in the oxidized form which has only biological activity

(c) in both reduced and the oxidized forms in the state of reversible equilibrium which has biological activity (d) none of the above

1.9 In the stable conformation of 5 a -pregnane (a) Rings A, B, C are in boat conformation (b) Rings A and B are in boat while C in chair conformation (c) Ring A is in boat while B and C in chair conformation (d) all the three rings are in chair conformation

1.10 Among the following preparations, which one will be the most irritating to the eye? (a) Purified water (b) 0.7% NaCl solution (c) 0.9% NaCl solution (d) 1% NaCl solution

1.11 In case of hypothyroidism, the preferred thyroid preparation is (a) Levothyroxine (b) Dextrothyroxine (c) Leothyroxine (d) None of the above

1.12 D-Fructose on simple reduction gives (a) L-Fructose (b) only Sorbitol (c) Mannitol (d) mixture of Mannitol and Sorbitol

1.13 Lugol‘s solution contains 5% of iodine. How much of Lugol‘s solution is administered to a patient thrice daily to provide 60 mg of iodine daily? (a) 0.2 ml (b) 0.3 ml (c) 0.4 ml (d) 0.5 ml

1.14 The anticoagulant Heparin is obtained from (a) Sheep‘s lung (b) Dog‘s kidney (c) Rabit‘s heart (d) Rat‘s uterus

1.15 Which one of the following types of adverse drug reactions are not believed to be dose related phenomenon? (a) Side effects and toxic reactions (b) Toxic reactions and hypersensitivity (c) Side effects and hypersensitivity (d) Hypersensitivity and idiosyncrasy

1.16 The structure of a drug having an asymmetric centre is: H COOH (a) B (b) S (c) a (d) ß

1.17 Cryoscopic method is familiar in the calculations of isotonic solutions. This method is based on (a) freezing point depression of the drug (b) molecular concentration of the drug (c) pH of the drug (d) none of the above

1.18 One thousand nanogram equal to one (a) centrigram (b) gram (c) kilogram (d) microgram

1.19. Biological role of thiamine is because of facile formation of (a) Thiamine hydrochloride (b) Thiamine pyrophosphate —ylid“ (c) Thiamine sulphate (d) None of the above

1.20. Infected blood products may produce serum hepatitis due to the presence of (a) Hepatitis A virus (b) Hepatitis B virus (c) Hepatitis C virus (d) None of the above

1.21. pH of a buffer system can be calculated by using (a) pH partition theory (b) Noyes-Whilney law (c) Henderson-Hasselbalch equation (d) None of the above

1.22. Osmolality measures the total number of particles dissolved in a _______ of water and depends on the electrolytic nature of the solute. (a) kilogram (b) kilolitre (c) litre (d) specified quantity

1.23. Ergot is the sclerotium of (a) fungus Claviceps purpurea (b) fungus Claviceps notatum (c) Strychnos nuxpotatorum (d) fungus Pencillium chrysogenum 1.24. A highly sensitive semiquantitative method of detecting microbial antigen in biological fluid is done by (a) Radioimmunoelectrophoresis (b) counterimmunoelectrophoresis (c) H.P.L.C (d) Freeze dried centrifugal method

1.25 The glass electrode used in pH measurements is (a) metal-metaloxide electrode (b) a membrane electrode (c) ion selective electrode (d) none of the above

1.26 In phenonthiazine tranquillizing agents, replacement of C-2 hydrogen by chlorine (a) decreases activity (b) increases activity (c) activity unaffected (d) leads to decreased penetration into the CNS

1.27 The loading dose of a drug is based upon the (a) time taken for complete elimination (b) percentage of drug excreted unchanged in urine (c) percentage of drug bound to plasma protein (d) apparent volume of distribution and the desired drug concentration in plasma

1.28 Conformation of drugs is commonly determined by (a) NMR (b) NMI (c) Mass spectrometry (d) pH determination

1.29 Aminophylline solutions on exposure to air may develop (a) crystals of theophylline (b) precipitate of aminophylline (c) precipitate of ethylenediamine (d) straw colour

1.30 The hypotensive effect of clonidine is due to its action on (a) ß -adrenergic receptor (b) a -adrenergic receptor (c) H -receptor (d) H œreceptor

1.31 A step in Vitamin A synthesis is The product obtained will be (a) 3-hydroxy-3-methyl-1-pentene-4-yne (b) hex-1-yn-5-one (c) 3-amino-3-methyl-1-pentene-4-yne (d) none of the above

1.32 Sodium nitroprusside is one of the most potent blood-pressure lowering drugs. Its use is limited because of (a) its short duration of action (b) very long duration of action (c) ineffective of oral route (d) none of the above

1.33 Cocaine is a monoacid tertiary base which on treatment with hot dilute acids gives (a) ecogonine, methyl alcohol and scopic acid (b) ecogonine, methyl alcohol and cinnamic acid (c) ecogonine, methyl alcohol and benzoic acid (d) ecogonine, ethyl alcohol and benzoic acid

1.34 Use of Isoniazid is restricted due to (a) Ototoxicity (b) Hepatotoxicity (c) Neutrotoxicity (d) Bone marrow depression

1.35 Diosgenin is (a) an alkaloid obtained from dioscorea (b) a carbohydrate obtained from disscorea (c) a glycoside obtained from dioscorea (d) none of the above

1.36 The IUPAC nomenclature of the sulindac analogue is:

(a) (Z)-5-Fluoro-2-methyl-1-phenylmethylene-1 H-indene-3-acetic acid (b) (E)-5-Fluoro-2-methyl-1-phenylmethylene-1 H-indene-3-acetic acid (c) 5-Fluoro-2-methyl-1-phenylmethylene-1 H-indene-3-acetic acid (d) (R)-5-Fluoro-2-methyl-1-phenylmethylene-1 H-indene-3-acetic acid

1.37 Bubble point test is done to determine (a) the surface tension of the liquid in capillary tubes (b) the viscosity of the liquid in ampoules (c) the pH of a 1% solution (d) the volume of the solution stored in a specified container

1.38 The —Hemiacetal“ form of aldosterone is between (a) C-11, ß -hydroxyl and C-20 carbonyl (b) C-11, ß -hydroxyl and C-21 hydroxy (c) C-11, ß -hydroxy and C-18 carbonyl (d) C-21, ß -hydroxyl and C-20 carbonyl

1.39 Surfactants are characterized by the presence of (a) water solubilizing and fat solubilizing groups in the same molecule (b) only negative charges (c) only positive charges (d) none of the above

1.40 Acetous perchloric acid solution a common titrant in non-aqueous titrimetry is standardized by (a) standard alcoholic KOH solution (b) N/10 Potassium permanganate (c) Potassium hydrogen phthalate solution in glacial acetic acid (d) mercuric acetate in glacial acetic acid

SECTION II

2. 2.1 The antibiotics mentioned below are obtained from the organisms listed from a to e. match them.

(1) Neomycin (a) streptomyces fradiae (2) Gentamycin (b) micromonospora purpurea (3) Bacitracin (c) streptomyces tenebrarius (4) Tobramycin (d) bacillus subtilis (e) bacillus polymyxa

2.2. Given below is a list of medicinal plants. Match them correctly with the list of constituents given in a to e.

(1) Holarrhena antidysenterica (a) Conessine (2) cymbopogan flexuous (b) Citral (3) Urginea indica (c) Mucilage (4) Linum usitatissimum (d) Cocaine (e) Scillarenin

2.3. The following drugs are included under the schedules listed in a to e. match them. (1) Meprobamate (a) Schedule E (2) Poisonous drugs (b) Schedule F, F (3) Ophthalmic preparations (c) Schedule C and C (4) Biological and special products (d) Schedule X (e) Schedule Q

2.4. Following drugs contain 2 hydroxyl groups each. Nature of these hydroxyl groups are indicated in a to e. Match them correctly. (1) Morphine (a) Alcoholic but one 1° another 2° (2) Chloramphenicol (b) Alcoholic and both 1° (3) Apomorphine (c) Both phenolic (4) Cortisone (d) One alcoholic and one phenolic (e) Alcoholic but 1° and another 3°

2.5. The following drug molecules contain heterocyclic rings listed in a to e. match them correctly. (1) Haloperidol (a) Pyrimidine (2) Sulphadiazine (b) Pyridine (3) Amiloride (c) Piperidine (4) Pheniramine (d) Pyrazine (e) Pyridazine

2.6. Following drugs exhibit their action by enzyme inhibition. Enzymes are listed in a to e. Match them correctly. (1) Captopril (a) ß – lactamase (2) Clavulanic acid (b) MAO (3) Pargyline (c) Monooxygenase (4) Methozolamide (d) Carbonic anhydrase (e) ACE

2.7. Following preparations are assayed by biological techniques using the animal or its parts listed in a to e. match them correctly. (1) Cod liver oil (a) Sheep blood (2) Heparin injection (b) Rabbit (3) Oxytocin injection (c) Rat (4) Insulin injection (d) Anaesthetized chicken (e) Cat

2.8. Following I.P. assays involve the principles listed in a to e. Match them.

(1) Sodium chloride injection (a) Titration with N/10 iodine (2) Trimethoprim (b) Oxidation involving 2 : 6 dichloropheol indophenol (3) Analgin tablets (c) Argentometry (4) Ascorbic acid (d) Non-aqueous (e) Acidimetry

2.9. Given below are some antihypertensive mechanisms. Drugs which are closely associated with these mechanisms of action are listed in a to e. Match them correctly?

(1) Ganglion blocking (a) Methyl dopa (2) Catecholamine depletor (b) Hydralazine (3) False neurotransmitter (c) Reserpine (4) Direct action on arterioles (d) Mecamylamine (e) Veratrum alkaloids

2.10. Listed are Vitamins. Their associations with certain coenzymes are well known. The names of coenzymes are given in a to e. match them correctly.

(1) Thiamine (a) Co-carboxylase (2) Riboflavin (b) Co-enzyme A (3) Panothenic acid (c) NAD (4) Nicotinamide (d) FAD (e) ATP

2.11. Listed are some of the crude drugs which are tested for the active constituents by the tests mentioned in a to e. Match them correctly. (1) Cinchona Bark (a) Fluorescene test (2) Nux vomica seeds (b) Keller Killiani (3) Digitalis leaves (c) Borntrager‘s test (4) Senna leaves (d) Mayer‘s test (e) Sham‘s test

2.12. Listed are some of the common volatile oils. Their active constituents are given in a to e. Match them correctly.

(1) Peppermint oil (a) (+)-Limonene (2) Turpentine oil (b) 1:8-Cineole (3) Eucalyptus oil (c) a -Pinene (4) Lemon oil (d) (-)-Menthol (e) (+)-Menthol

2.13. Match the each pair with the type of a structural relationship they exhibit.

(1) (R) and (S) Naproxen (a) Tautomers of one another (2) Dilactim and Monolactim (b) Diastereomers of one another form of Barbituric acid (3) Quinine and Quinidine (c) Non-superimposable mirror images of each other (4) Eclipsed and staggered form (d) Superimposable mirror images of each other of phenothiazine about side chain carbon œcarbon bond (e) Conformational isomers of one another

2.14. Various polymers used in pharmacy are given. Match with the respective monomers a to e. (1) Carbopol (a) Methacrylate ester (2) Eudragits (b) Ethylene (3) Polyethylene (c) Ethylene glycol (4) Polycarbonate (d) (Bis-phenol + phosgene) (e) Acrylic acid

2.15. Following are some naturally occurring substances. They are classified under different categories which are listed in a to e. match them correctly. (1) Prostaglandins (a) Opioids (2) Codeine (b) Eicosinoids (3) Angiotensin II (c) Corticoids (4) Strophanthidin (d) Peptide (e) Cardinolide

2.16. Following are some of the analytical instruments. Their important components are listed in a to e. Match them correctly. (1) HPLC (a) Monochromator 2) IR double beam spectrophotometer (b) Dropping mercury electrode (3) Karl-Fischer titrator (c) Isocratic pump (4) Polarograph (d) Platinum electrode (e) Polariser

2.17. The hard gelatin capsule sizes are mentioned in their number. Their approximate capacity are listed in a to e. Match their correct volume. (1) 0 (a) 0.10 ml (2) 1 (b) 0.15 ml (3) 3 (c) 0.30 ml (4) 5 (d) 0.55 ml (e) 0.75 ml

2.18. Listed are some of the commonly used drugs. Their pharmacological actions are listed in a to e. match them. (1) Aspirin (a) Rises body temperature (2) Acetaminophen (b) Non-analgesic anti-inflammatory (3) Phenylbutazone (c) Non-anti-inflammatory analgesic (4) Probenacid (d) Increases depth of respiration (e) Increases fluid retention

2.19. Match the preservations/antioxidants listed in a to e for the preparations mentioned below. (1) Anaesthetic ether (a) Chloroform (2) Formaldehyde (b) Ethylenediamine (3) Injection of Adrenaline (c) Paraformaldehyde (4) Injection of Aminophylline (d) Sodium bisulphate (e) Alcohol

2.20. In communition, certain type of materials listed in a to e are not suitable for the mills mentioned below. Match them. (1) Cutter mill (a) Soft material

(2) Hammer mill (b) Adhesive material

(3) Revolving mill (c) Friable material

(4) Fluid energy mill (d) Liquefiable material

(e) Abrasive material

PART – B

3. Define: (a) Co-solvency (b) Hydrotrophy (c) Eutectic mixtures

4. Complete the following reactions giving the structures

5. (a) Thiamin when treated with sodium sulphite solution saturated with SO at room temperature, decomposes quantitatively into 2 components. What are they? Give their structural formulae. (b) Riboflavin on exposure to light in sodium hydroxide solution forms an insoluble product. What is the product? Write equation. Whey is it insoluble? (c) Caffeine 3 6. (a) Name two common equipments used for testing the hardness of a tablet (b) Give four factors which affect the hardness of a tablet. (c) Why friability test is performed? How is it performed?

7. Give four important tests to detect the emulsion types.

8. (a) List the names of three important semisynthetic hydrocolloids used in pharmacy. (b) What is their chemical nature? (c) Give three important uses of the above hydrocolloids.

9. (a) Diethyl malonoate is treated with excess of n-propybromide in presence of sodium ethoxide to give intermediate (a). The intermediate (a) on refluxing in dilute alkali gives anticonvusant drug. Write the reactions and structures. (b) 2-Aminopyridine is reductively alkylated using 1 mol of p- methoxybenzaldehyde and reducing agent to give an intermdieate (b). the intermediate (b) on treatment with 1 mol dimethylamino ethylbromide in presence of sodium amide gives an antihistaminic drug. Write the reactions and structures. (c) Arrange the nitrogens in the drug referred in (b) above in decreasing order of basicity.

10. (a) Give the graph [include correct scale and values] of cardiac action potential as recorded from a Purkinje fibre. Indicate the phases of depolarization and repolarisation (graph paper not to be used). (b) Expand the abbreviations and indicate dhow they are formed. (i) CAMP (B) GABA

11. Write the appropriate reagent(s) and the structures in the following transformations. Give the trivial name of the drug and the category it belongs to. (i) p-Methoxyphenylhydrazine + + A NH H 0 ZnCl heat,solve nt Ethyl 4-oxopentanoate (ii) A + p-chlorobenzoyl chloride B B ase Pyridine

(iii) B [Drug] (contains œCOOH) Note: One step involves Fischer indolisatin.

12. (a) Give synthesis of pyridoxine starting from 5-ethoxy-4-methyl isoxazole and cisbutenediol protected with isobutaraldehyde. (b) Name the key reaction

13. Give the names of products.

14. (a) What is Vitali‘s test? Which natural products are distinguished by this test? (b) Give reasons for the following: (i) Morphine is soluble in aqueous sodium hydroxide. (ii) In the assay of alkaloids, the final residue is treated with little alcohol before it is finally dissolved in acid and titrated.

15. (a) Alkaloids of ergot exist in stereoisomeric pairs. Which are they? Whine one is pharmacologically active? (b) The principal alkaloids of ipecacunha are: (1) _____________ (2) ____________ (3) _____________ (4) ____________ (5) _____________ (c) Cephaeline M e thylati on (6) ______________ (d) Catharanthus roseus contains 2 alkaloids which are effective in the treatment of neoplastic diseases. They are (7) _______________ (8) _____________

16. (a) Give the procedure for IP assay for Nikethamide injection. (b) Give the reactions involved in the above assay. (c) To which category of drugs this compound belongs?

17. (a) Show the 5 ß -cis fusion and 5 a -trans fusion in case of steroid nucleus. What they are usually called? (b) Name the different types of insulin preparations. (c) Usual route of administration of insulin preparation is __________ (d) Since insulin is a __________ it cannot be given orally.

18. (a) Which are the substances defined as Narcotic drugs and Psychotropic substances under Narcotic drugs and Psychotropic Substances Act, 1985 and rules? (b) What is the international name for small-pox vaccine? (c) How much of sodium chloride is required to render 150 ml of a 2% solution of procaine hydrochloride isotonic with blood serum? [Freezing point depression of 1% procaine hydrochloride is œ 0.12°C and 1% sodium chloride is œ 0.56°C].

19. What are the particulars to be recorded in analytical records for parenteral preparations as per the G.M.P. requirement under and C rules? List them correctly.

20. (a) An antibiotic isolated from streptomyces venezuelae having an aromatic nitro group, on hydrolysis gives (A) Dichloroacetic acid (B) 2-amino-1-p-nitrophenyl-1 : 3-propanediol (1) What is the structural formula of the antibiotic? (2) How many asymmetric carbon atoms are present in B? (3) What is the optical activity and configuration of the active from of the antibiotic? (b) What are the important hydrolytic products of streptomycin? Give their names only.

E . 21. (a) Explain what is % 1 cm (b) What is Group frequency region and finger print region? (c) What is retention volume?

22. (a) What processes are to be adopted in pharmaceutical industry for the (i) separation of bacteria from the parenteral liquids (ii) purification of colloids and enzymes (iii) removal of particulate matter in the air? (b) How much of 90% and 20% alcohols are required to produce 350 ml of 60% alcohol?

23. (a) Classify the surfactants with suitable example for each: (b) LAL test is used as in-process control in parenteral preparations: (i) What for is it used? (ii) How is the test performed?

24. How will you rectify the following defects in tablet manufacturing? (i) Punch variation (ii) Hardness variation (iii) Double impression (iv) Poor flow

25. (a) Name four foam systems used in aerosol technology. (b) Name four parameters in the evaluation of foam stability. (c) Explain the following words used in communition in one sentence for each (i) Open circuit milling (ii) Closed circuit milling

26. (a) In the evaluation of soft capsules, the following terms are used. Explain them in one sentence for each. (i) Soft spot (ii) Bloating (iii) Foreign capsule

27. (a) Synthesis of a steroid hormone is given below. Write all the structures. Give the reagents used in Oppenaur oxidation: ( ) [ ] (i) 3 -Acetoxypregna-5, 16-diene-20-one A ß H Pd / 2 ( ) ( ) (ii) A B Hormone » ÿ NaO H oppenaur / H O C H O H O xidation + 2 2 5 (b) The above hormone shows two absorption bands in carbonyl region in its infrared spectrum. Write the approximate position of the band in wave numbers and indicate the corresponding chromophore.