Download GTU (Gujarat Technological University) B.Pharma (Bachelor of Pharmacy) 2018 Summer 2nf Sem 2220001 Physical Pharmacy Previous Question Paper
Seat No.: ___________
Enrolment No.: _____________
GUJARAT TECHNOLOGICAL UNIVERSITY
B.PHARM - SEMESTER? II. EXAMINATION ? SUMMER - 2018
Subject Code: 2220001
Date: 01/06/2018
Subject Name: Physical Pharmacy
Time: 10:30 AM TO 01:30 PM
Total Marks: 80
Instructions:
1. Attempt any five questions.
2. Make suitable assumptions wherever necessary.
3. Figures to the right indicate full marks.
Q-1
(a)
Describe the binding forces of molecules.
(6)
(b)
Write a note on liquid crystals.
(5)
(c)
Discuss two component system containing phenol water liquid phases
(5)
Q-2
(a)
Explain any one method for measurement of surface and interfacial tensions.
(6)
(b)
Write a short note on spreading coefficients? Derive its equation.
(5)
(c)
Discuss the electric properties of interfaces.
(5)
Q-3
(a)
Which factors affects complexation and protein binding? Discuss in brief.
(6)
(b)
Classify the complexes and explain chelates.
(5)
(c)
Write applications of drug protein binding in drug activity.
(5)
Q-4
(a)
Explain Polymorphism.
(6)
(b)
Explain solubility of solid in liquid.
(5)
(c)
Discuss factors influencing solubility of gases in liquid.
(5)
Q-5
(a)
Which are the methods used for particle size determination? Explain sedimen-
(6)
tation method.
(b)
Discuss the derived properties of powder.
(5)
(c)
Explain method for determining particle surface area of porous materials.
(5)
Q-6
(a)
Explain Non Newtonian fluids with examples.
(6)
(b)
Define rheology, give the application of rheology in pharmacy.
(5)
(c)
Explain thixotrophy. How to evaluate thixotrophy?
(5)
Q-7
(a)
Give difference between Lyophilic colloids and Lyophobic colloids. Discuss
(6)
association colloids.
(b)
Write a note on physical stability of emulsion.
(5)
(c)
Write a note on factors affecting stability of suspension.
(5)
***************
This post was last modified on 05 March 2021