Download PTU I. K. Gujral Punjab Technical University (IKGPTU) B.Pharma (Bachelor of Pharmacy) 2020 December 4th Sem 75845 Physical Pharmaceutics Ii Previous Question Paper
Roll No.
Total No. of Pages : 02
Total No. of Questions : 22
B.Pharma (2017 Batch) (Sem. -4)
PHYSICAL PHARMACEUTICS-II
Subject Code : BP-403T
M.Code : 75845
Time : 3 Hrs. Max. Marks : 75
INST RUCT IONS T O CANDIDAT ES :
1 .
SECT ION-A is COMPULSORY cons is ting of TEN questions carrying TWO marks
each.
2 .
SECT ION-B contains THREE questions carrying T EN marks e ach and s tudents
have to atte mpt any T WO questio ns.
3 .
SECT ION-C c ontains NINE questions ca rrying F IVE marks eac h and s tud ents
have to atte mpt any SEVEN que stions .
SECTION-A
Answer briefly :
Q1. What is protective colloid?
Q2. What is meant by Nernst potential?
Q3. Define Kinematic viscosity and its units.
Q4. What is the porosity when solid particles are packed closely?
Q5. What is angle of repose?
Q6. Give two examples of photolytic degradation of drugs.
Q7. What is pseudo zero order reaction?
Q8. What is yield value and in which types of systems it is observed?
Q9. What is specific surface area and its importance?
Q10. Write the equation for calculating the half life for a drug following first order
degradation kinetics.
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SECTION-B
Q11. Differentiate between Newtonian and Non-Newtonian systems giving suitable examples.
Q12. Differentiate between flocculated and deflocculated suspensions. Discuss the strategies
used for reducing settling of particles in suspensions.
Q13. Explain the use of accelerated stability testing of pharmaceutical products using
temperature as a stress condition.
SECTION-C
Q14. Write a note on prevention of hydrolytic degradation in pharmaceutical products.
Q15. Explain particle shapes and their influence on packing.
Q16. Briefly explain the differences between conventional and microemulsions.
Q17. Enumerate the methods used for determination of surface area of powders. Discuss any one
method in detail.
Q18. Write a note on elastic deformation of solids.
Q19. Discuss the HLB method of preparing emulsions.
Q20. Classify colloids and mention their properties.
Q21. What is a falling sphere viscometer? Mention its applications and limitations.
Q22. Briefly discuss the influence of dielectric constant on drug stability.
NOTE : Disclosure of Identity by writing Mobile No. or Making of passing request on any
page of Answer Sheet will lead to UMC against the Student.
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This post was last modified on 14 February 2021