Pharmaceutics mcqs (251-260)
251.Ceramic filters are made up of
A. Asbestose fibers
B. Kieselguhr
C. Borosilicate glass
D. Cellulose nitrate
Ans.A
252.Iso electric point of Type A gelatin is
A. pH 4.7
B. pH 7.4
C. pH 9.0
D. pH 7.0
Ans.C
253.Which test is done for USP Type -1 glass containers for injections
A. Water attack followed powdered glass test
B. Powdered glass test
C. Powdered glass followed by water attack test
D. Water attack test
Ans.B
254.All are oil soluble antioxidants except
A. Tocopherol
B. BHA
C. BHT
D.Thiourea
Ans.D
255.Synergist is
A. Sod. meta bisulfite
B. Citric acid
C. Sod. Bisulfite
D. Tocopherol
Ans.B
256.Substances which prevent the picking or sticking of tablets is known as
A. Adsorbents
B. Anti adhesives
C. Lubricants
D. Glidants
Ans.B
257.The random motion of colloidal particles in a dispersion medium is known as
A. Flocculation
B. Brownian motion
C. Random motion
D. None
Ans.B
258.Tragacanth in water shows
A. Plastic flow
B. Pseudo plastic flow
C. Dilatant
D. None
Ans.B
259.Unit of viscosity is
A. Torque
B. Stoke
C. Poise
D. Creep
Ans.C
260.In parenteral injections LAL test is to known the presence of
A. Pyrogens
B. Allergens
C. Exotoxins
D. Particles
Ans. A
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