ANSWERS of Previous PharmaQUIZ-15:
1.C 2.B 3.D 4.A 5.D
6.A 7.C 8.B 9.C 10.D
PharmaQuiz - 16
This quiz is submitted by, Karthika Paul (Lecturer, Vivekananda College of Pharmacy, Bangalore-55)
PharmaTutor family thanking you for your precious contribution to pharma community.
1. % w/w is a common measure to express
a. percentage of weight
b. Concentration of active ingredient in the formulation.
c. Percentage of volume.
d. None of the above
2. Molar means
a. Molecular weight in µg/litre.
b. Molecular weight in ng/litre.
c. Molecular weight in mg/litre.
d. Molecular weight in g/litre.
3. Electro Magnetic Radiation is made of discrete particles called
a. Electron
b. Photons
c. Protons
d. Neutrons.
4. Distance between 2 successive maxima and minima is termed as
a. Frequency
b. Wave number.
c. Wave length.
d. Diameter.
5. Wave number is expressed in
a. Hz
b. KHz
c. MHz
d. Cm-1
6. Wave length of Visible radiation ranges from
a. 200-400
b. 300-900
c. 200-600
d. 400-800
7. In A = εct , ε stands for
a. Molecular extinction coefficient
b. Concentration of drug
c. Extinction coefficient
d. Path length
8. The light source used in Spectrophotometers
a. Tungsten lamp
b. Carbon arc lamp
c. Both a and b
d. None of the above
9. Absorption filters are made up of
a. Dyed gelatin
b. Plastic
c. Nylon
d. Rayon
10. Detectors used in UV/Visible spectrophotometers can be called as
a. Radiation detector
b. Electron detector
c. Photometric detector
d. Magnetic detector
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