Daily quiz 28 is yet another update to our series of GPAT MCQ/ GPAT questions. Our each quiz consist of 1o MCQs based on complete B.Pharm syllabus. At times there could be one subject or topic dominant in a quiz but we make sure the other subjects/topics get their due in upcoming quizzes. The answers to these questions is given at the end.

Q1. Which of the following contain alkaloids of tropane?
a) Belladonnae folium
b) Scopoliae rhizoma et radix
c) Stramonii folium
d) Chelidonii herba

Q2. Which of the following drug permeation mechanisms occurs across epithelial tight junctions and is driven by a concentration gradient?

a) Aqueous diffusion
b) Lipid diffusion
c) Carrier molecules
d) Endocytosis and exocytosis

Q3. Drug bio-transformation phase I makes drugs ____ polar for metabolism and phase II makes drugs ____ polar for excretion.
a) More; More
b) More; Less
c) Less; More
d) Less; Less

Q4. Urea was synthesis for the first time by
a) Kolbe
b) Wöhler
c) Ostwald
d) Schleiden

Q5. Which of the following locations contains choline from phosphatidylcholine?
a) Milk
b) Liver
c) Eggs
d) Blood plasma

Q6. Whose name is linked to  the following definition?
“Everything is poison, there is poison in everything. Only the dose makes a thing not a poison.”
a) Galen
b) Ehrlich
c) Paracelsus
d) Avicenna

Q7. Which of the following describes the pathway of nitric oxide (NO)?
a) Stimulates guanylyl cyclase, increase cGMP concentration, vasodilation
b) Stimulates guanylyl cyclase, decreases cGMP concentration, vasodilation
c) Stimulates guanylyl cyclase, increase cGMP concentration, vasoconstriction
d) Inhibits guanylyl cyclase, increase cGMP concentration, vasodilation
e) Inhibits guanylyl cyclase, decreases cGMP concentration, vasoconstriction

Q8. Which of the following reagents can not be used for alkaloid detection?
a) The Mayer’s reagent
b) The Kedde’s reagent
c) The Dragendorff’s reagent
d) The Wagnor’s reagent

Q9. In mass spectra the most intense peak is
a) Parent Peak
b) Base Peak
c) Daughter Peak
d) Metastable Peak

Q10. Changes in absorption spectra by certain groups but do not absorb radiation such compounds called
a) Chromophore
b) Auxochrome
c) Both a and b
d) Auxotroph

1-a;  2-a;    3-a;    4-b;   5-6;   6-c;    7-a;   8-b;   9-b;    10-b

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