Forwarded from نويرا
caffeine causes all of except
Anonymous Quiz
8%
anxiety
21%
insomnia
44%
bradycardia
27%
Stimulation of urination
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Forwarded from نويرا
theobromine is used as a
Anonymous Quiz
4%
vasodilator
4%
diuretic
2%
heart stimulant
90%
All of them
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Forwarded from نويرا
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Forwarded from نويرا
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Forwarded from نويرا
Ferrous sulfate test: (theobromine):
To a solution of the alkaloid + drops of concentrated HCl + few drops of Br2 water + a drop of FeSO4 + few drops of ammonia
To a solution of the alkaloid + drops of concentrated HCl + few drops of Br2 water + a drop of FeSO4 + few drops of ammonia
Anonymous Quiz
8%
Red
84%
Blue
4%
Green
3%
White
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Forwarded from نويرا
Which of the following Alkaloid contain Imidazole ring on its structure ?
Anonymous Quiz
94%
Pilocarpus
2%
Camptotheca
1%
Vasaka
2%
Lobelia
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Forwarded from نويرا
Purine, Terpenes and Steroids belong to the category of ?
Anonymous Quiz
40%
True alkaloid
10%
Proto alkaloid
38%
Pseudo alkaloid
12%
Amino alkaloid
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Forwarded from نويرا
Tea and Coffee belong to which category of alkaloid ?
Anonymous Quiz
8%
Indole
85%
Purine
4%
Tropane
3%
Pyrazoline
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Forwarded from نويرا
Which of the following is CORRECT for Murexide test ?
Anonymous Quiz
88%
Caffine + Hcl + KC13
7%
Caffine + H2SO4 + KC13
4%
Caffine + HNO3 + Br2
1%
Caffine+H2+ N2
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Forwarded from نويرا
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Forwarded from نويرا
Which heterocycle is most basic?
Anonymous Quiz
16%
Pyridine
70%
Imidazole
8%
Pyrrolidine
6%
Pyrrole
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Forwarded from نويرا
Nucleophilic substitution reaction for imidazole takes place at.........position.
Anonymous Quiz
35%
N_1
28%
C_2
33%
C_3
5%
C_4
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Forwarded from نويرا
Imidazole is ......
Anonymous Quiz
2%
Acid catalyst
16%
Base catalyst
14%
Nucleophilic catalyst
68%
Bothe B and C
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.Imidazole ring is absent in drug.....
Anonymous Quiz
34%
a. Pilocarpine
12%
b. Isopilocarpine
43%
c. Physostigmine
11%
d. Piloscine
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Pharma Scope
Photo
Name of this structuer
Anonymous Quiz
20%
A) purine
6%
B) strychnine
71%
C) pilocarpine
3%
D) vinblastine
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Pharma Scope
Photo
Name of this structuer
Anonymous Quiz
54%
A) imidazole
26%
B) quinazoline
6%
C) brucine
15%
D) histidine
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Pilocarpus contain .....of itś alkaloid
Anonymous Quiz
73%
A)0.5_1%
17%
B)0.5_1.5%
5%
C) 1_5%
6%
D)2_5%
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In structuer of caffeine
Anonymous Quiz
18%
A)1,4,6_trimethylxanthine
22%
B)1,3,7_triethylxanthine
26%
C)1,3,7_trimethoxyxanthine
34%
D)1,3,7_trimethylxanthine
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