PHARMA ASCENT, (PRE GPAT- 2013) MOCK TEST WITH ANSWERS KEY

Pharma Admission

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QUESTIONS AND ANSWERS

1.Yield value is indicative of
a.Force of flocculation
b.Degree of flocculation
c.De flocculation
d.None of them

2.In spreading techniques, the plates are activated by keeping in an oven at
a.70 0 C to 200 0 C for 1 hr
b.100 0 C to 200 0 C for 3 hr
c.100 0 C to 120 0 C for 1 hr
d.100 0 C to 120 0 C for 3 hr

3.Maximum transmission in interference filter is
a.60%
b.40%
c.50%
d.30%

4.The preferred source of light in colorimeter is
a.Tungsten lamp
b.Hydrogen discharge lamp
c.Mercury arc
d.Deuterium lamp

5.A mixture of following gases can be used in flame photometry to get a temperature of 2045 °C
a.Hydrogen and nitrous oxide
b.Acetylene and oxygen
c.Hydrogen and air
d.Hydrogen and oxygen

6.If E 1%1cm =20 and absorbance is 1, using 10mm path length cell, the concentration of the substance is
a.0.5%
b.0.5 mg/ml
c.5 %
d.5 mg/ml

7.In Coulter Counter, as the particles travel through the orifice, the enent that occur is
a.Conductance between electrode increases
b.Electronics scanner produce photographs for volume measurement
c.Resistance between electrodes increases
d.Sedimentation increases

8.When two substances have same absorbance, then wavelength is called as
a.Isoelectric point
b.Isosbestic point
c.Isocratic
d.Isocratic

9.The basis of colorimetric analysis is
a.Variation in the colour of the analyte with change in it’s concentration
b.Amount of radiation emitted by an analyte
c.Amount of radiation scattered by an analyte
d.None of these

10. Cellutab is the commercial name of
a. Lactose
b.Colloidal Silica
c. HPMC
d. Starch

11.In NMR spectroscopy, shielding of protons is characterized by
a.Chemical shift value is less for strongly shielded protons
b.NMR signals appear at lower magnetic field strength
c.Secondary magnetic field reinforce the applied magnetic field
d.All of these

12.In Isocratic elution technique
a.The same solvent is used
b.The same solvent composition is used
c.One solvent is used
d.Mixture of solvent is used

13.Study the following two statements
(A)Sodium Oleate is example of Soluble lubricant
(B)Liquid paraffin is example of Insoluble lubricant

a.Both A and B are correct
b.A is correct and B is incorrect
c.A is incorrect and B is correct
d.Both are incorrect

14.A substance used for modification of silica gel for reversed-phase TLC is
a.Benzene
b. Glycerine
c. Silicone oil
d. Ether

15.The equation E= Eo + RT/ nF ln aM3+ is used to measure the
a.Conductance
b. Potential difference
c.Resistance
d. Current

ANSWERS:

1-A 4-A 7-C 10-D 13-A
2-C 5-C 8-B 11-A 14-C
3-B 6-B 9-A 12-B 15-B

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