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pharmacy Topic wise MCQs

Pharmaceutics (Part-7) MCQs with Answers

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

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a) Mark – Houwink equation
b) Ilkovic equation
c) Poiseuille equation
d) Boyer-Beaman equation

25. Name the following given equation

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a) Mark – Houwink equation
b) Ilkovic equation
c) Poiseuille equation
d) Boyer-Beaman equation

26. Name the following given equation

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a) Mark – Houwink equation
b) Ilkovic equation
c) Poiseuille equation
d) Boyer-Beaman equation

27. Name the following given equation

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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

Answers

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