PHARMACEUTICS
1. Reynolds number having UNIT?
A. ml/min
B. ml/sec
C. lit/hour
D. unitless
2. The technique employed to study the insoluble film at oil-water interface is
a) Micellization
b) Deflocculation
c) Electrostatic balance
d) Film balance
3. Addition of electrolyte to a lyophilic sol may cause
a) Tyndall effect
b) Salting out
c) Coagulation
d) Dilution
4. Coulter counter is use to determine?
A. The total surface
B. The particle size
C. The flow rate
D. The sedimentation rate
5. Sorptometer is use to determine?
A. The total surface
B. The particle size
C. The flow rate
D. The sedimentation rate
6. Andreasen apparatus is use to determine?
A. The total surface
B. The particle size
C. The flow rate
D. The sedimentation rate
7. Shear box is use to determine?
A. The total surface
B. The particle size
C. The flow rate
D. The sedimentation rate
8. Freely soluble compound having the solubility range from to as per I.P. with following?
a) Less than 1 part
B) 1 to 10 parts
c) 10 to 30 parts
d) 30 to 100 parts
9. soluble compound having the solubility range from to as per I.P. with following?
a) Less than 1 part
b) 1 to 10 parts
c) 10 to 30 parts
d) 30 to 100 parts
10. Sparingly soluble compound having the solubility range from to as per I.P. with following?
a) Less than 1 part
b) 1 to 10 parts
c) 10 to 30 parts
d) 30 to 100 parts
11. Slightly soluble compound having the solubility range from to as per I.P. with following?
a) Less than 1 part
b) 1 to 10 parts
c) 10 to 30 parts
d) 100 to 1000 parts
12. Shrinkage of gel by extrusion of liquid is called
a) Synersis
b) Dilatancy
c) Plasticity
d) Ebullition
13. A type of flow in which viscosity increases when the substance is agitated is
a) Plastic
b) Pseudo plastic
c) Dilatant
d) Thixotropic
14. Permitted limits of ethylene oxide in ophthalmic preparations?
a) 5 ppm b) 10 ppm
c) 15 ppm d) 25 ppm
15. Permitted limits of ethylene oxide in hard gelatin capsule shells?
a) 5 ppm b) 10 ppm
c) 15 ppm d) 25 ppm
16. Permitted limits of ethylene oxide in Surgical material shells?
a) 5 ppm
b) 10 ppm
c) 15 ppm
d) 25 ppm
17. Permitted limits of ethylene oxide in Intra uterine device
a) 5 ppm
b) 10 ppm
c) 15 ppm
d) 25 ppm
18. For drying blood plasma the following technique is used:
a) Spray drying
b) Freeze drying
c) Vacuum drying
d) Fluid bed drying
19. Liquid paraffin exhibits:
a) Plastic flow
b) Newtonian flow
c) Pseudo plastic flow
d) Dilatant flow
20. Rotational viscometers used for measuring the factors?
a) Shear rate/shear stress & viscosity
b) Melting point
c) For consistency and hardness of relatively rigid semisolids
d) Dissolution of granules and tablets
21. Penetrometers used for measuring the factors?
a) Shear rate/shear stress & viscosity
b) Melting point
c) For consistency and hardness of relatively rigid semisolids
d) Dissolution of granules and tablets
22. Hansen-paddle equipment Hansenpaddle equipment
a) Shear rate/shear stress & viscosity
b) Melting point
c) For consistency and hardness of relatively rigid semisolids
d) Dissolution of granules and tablets
23. Glass electrode used for measuring the factors?
a) Shear rate/shear stress & viscosity
b) Melting point
c) For consistency and hardness of relatively rigid semisolids
d) pH indicating electrode
24. Name the following given equation
a) Mark – Houwink equation
b) Ilkovic equation
c) Poiseuille equation
d) Boyer-Beaman equation
25. Name the following given equation
a) Mark – Houwink equation
b) Ilkovic equation
c) Poiseuille equation
d) Boyer-Beaman equation
26. Name the following given equation
a) Mark – Houwink equation
b) Ilkovic equation
c) Poiseuille equation
d) Boyer-Beaman equation
27. Name the following given equation
a) Mark – Houwink equation
b) Ilkovic equation
c) Poiseuille equation
d) Boyer-Beaman equation
28. Rod mill is used for size reduction of which of type of materials?
a) Sticky material
b) Abrasive material
c) Thermo labile material
d) Fibrous material
29. Fluid energy mill is used for size reduction of which of type of materials?
a) Sticky material
b) Abrasive material
c) Thermo labile material
d) Fibrous material
30. Cutting mill is used for size reduction of which of type of materials?
a) Sticky material
b) Abrasive material
c) Thermo labile material
d) Fibrous material
31. Revolving mill is used for size reduction of which type of materials?
a) Sticky material
b) Abrasive material
c) Thermo labile material
d) Fibrous material
32. Thermo labile immiscible liquid can be separated by
a) Decantation
b) Dilution
c) Capillary centrifugation
d) Counter-current distribution
33. Rheology of semi solids determine by which instrument or apparatus?
a) Andreasen Pipette
b) Monsanto tester
c) Ultrasonifier
d) Viscometer
34. Hardness of tablets determine by which instrument or apparatus?
a) Andreasen Pipette
b) Monsanto tester
c) Ultrasonifier
d) Viscometer
35. Particle size in suspension determine by which instrument or apparatus?
a) Andreasen Pipette
b) Monsanto tester
c) Ultrasonifier
d) Viscometer
36. Homogenization of emulsion determine by which instrument or apparatus?
a) Andreasen Pipette
b) Monsanto tester
c) Ultrasonifier
d) Viscometer
37. Particle volume determine by which instrument or apparatus?
a) Clarity apparatus
b) Du Nouy ring
c) Coulter counter
d) Compactor
38. Presence of Foreign particle determine by which instrument or apparatus?
a) Clarity apparatus
b) Du Nouy ring
c) Coulter counter
d) Compactor
39. Surface tension determine by which instrument or apparatus?
a) Clarity apparatus
b) Du Nouy ring
c) Coulter counter
d) Compactor
40. Presence of polymorphism determine by which instrument or apparatus?
a) Clarity apparatus
b) Du Nouy ring
c) Coulter counter
d) Differential thermal calorimeter
41. Sigma blade mixers are commonly used in
a) Wet granulation
b) Dry granulation
c) Powder mixing
d) Crude fibre mixing
42. Cryoscopic method is similar in the calculation of isotonic solutions. This 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
43. Hammer mill is used for which type of material?
a) Soft material
b) Adhesive material
c) Friable material
d) Liquefiable material
44. Surfactants are characterized by the presence of
a) Water solubilizing groups alone
b) Fat solubilizing groups alone
c) Water and fat solubilizing groups in same molecules
d) Groups with positive charge
45. Viscous oils show which type rheological properties?
a) Dilatant flow
b) Plug flow
c) Newtonian flow
d) Plastic flow
46. Gellies show which type rheological properties?
a) Dilatant flow
b) Plug flow
c) Newtonian flow
d) Pseudo plastic flow
47. Colloids show which type rheological properties?
a) Dilatant flow
b) Plug flow
c) Newtonian flow
d) Non-Newtonian flow
48. Concentrated solid suspension show which type rheological properties?
a) Dilatant flow
b) Plug flow
c) Newtonian flow
d) Plastic flow
49. An Interference filter consists of
a) An iron plate coated with selenium
b) A layer of silver deposited on glass coated with MgF2
c) A tungsten plate coated with silver oxide
d) A solid sheet of glass coloured by pigment
50. Laminar flow occurs when Reynolds number ReD is?
A. Re < 2100
B. Re > 2100
C. Re > 4000
D. Re Between 2300 to 4000