All the followings are correct for nicotine except: -
Anonymous Quiz
6%
A.Obtained from the leaves of Nicotiana tobacco fam Solanaceae (Major)
6%
B.Liquid colorless alkaloid
5%
C.Gangelioleptic with a cardiovascular effect and increases blood pressure
56%
D.Biosynthetically derived from aspartic acid and lysine
28%
E. It is not carcinogenic
nicotine is derivatives of
Anonymous Quiz
15%
A) nicotinic acid
5%
B) pyridine
3%
C) piperidine
3%
D) pyrolidine
74%
E) both b&d
_________ is the key intermediate in biosynthesis of nicotine
Anonymous Quiz
18%
A. Ornithine
2%
B. Nicotinic acid
68%
C. N- methylpyrrolinium ion
12%
D. N-methylputrescine
nicotine has pronounced
effects on the cardiovascular system, where peripheral vasoconstriction, atrial tachycardia ............. are observed.
effects on the cardiovascular system, where peripheral vasoconstriction, atrial tachycardia ............. are observed.
Anonymous Quiz
5%
A) an increase diastolic blood pressure
3%
B)an increase systolic blood pressure
9%
C)decrease in both systolic & diastolic blood pressure
83%
D)an increase in both systolic & diastolic blood pressure
The important alkaloids in pyridine and piperidine
Anonymous Quiz
14%
A)Nicotine, morphine, Arecoline, Lobeline
62%
B) Nicotine, Coniine, Arecoline, Lobeline
14%
C)Nicotine, atropine, Arecoline, Lobeline
11%
D)Nicotine, ergotamine, Arecoline, Lobeline
❤2
The scientific name for areca is
Anonymous Quiz
12%
A)areca nut
21%
B)palmaceae
65%
C)areca catechu
2%
D)laliaceae
The important alkaloids of areca
Anonymous Quiz
31%
A)arecoline
2%
B)nicotine
2%
C)arecaidine
65%
D)both a&c
Root bark of Punica granatum contains piperidine alkaloids, one of which is solid
Anonymous Quiz
32%
A. pelletierine
48%
B. pseudopelletierine
8%
C. methylpelletierine
6%
D. isopelletierine
5%
E. methyliso pelletierine
the alkaloid excract from poison hemlock is
Anonymous Quiz
12%
lobeline
52%
conhydrine
16%
arecoline
14%
Putrescine
6%
nicotine
❤2
Tropine l-tropate is
Anonymous Quiz
35%
A.atropine
9%
B.hyoscine
6%
C.apoatropine
47%
D.hyoscyamine
2%
E.belladonine
💔3❤1
All the followings describe Atropine except
Anonymous Quiz
25%
A.tropine ester of dl-tropic acid
17%
B.occurring in traces in solanaceous plants such as Atropa belladonna.
33%
C.the optically active form of hyoscyamine.
8%
D.readily hydrolyzes to racemic tropic acid and tropine.
17%
E.decreases gastric juice and helps in peptic ulcer treatment
All the followings describe Hyoscine (Scopolamine) except
Anonymous Quiz
32%
A.The chief sources are Datura stramonium.
27%
B.Hyoscine occurs as volatile liquid.
14%
C.It hydrolyzes with acid or alkali into (-)-tropic acid and scopine =scopoline
27%
D.The mild hydrolysis with the enzyme yields (-)-tropic acid and scopine. It gives salts with HBr
All the followings describe homatropine except
Anonymous Quiz
14%
A.obtained from Atropa belladonna, Solanaceae
18%
B.is less toxic than Atropine and hypnotic.
9%
C.is used as mydriatic with shorter effect than Atropine.
27%
D. with vitali's test gives yellow instead of a purple color
32%
E-is a false alkaloid
All the followings are correct in relation to atropine except
Anonymous Quiz
20%
A. it is an ester of tropine dl atropate
54%
B. It is more stable than hyoscymine
5%
C. Both pyrrolidine & piperidine ring systems can be recognized in the molecule.
6%
D. Easly hydrolysed by Baryta water
15%
E.It is less active than hyoscyamine
All the followings are correct for Hyoscyamine except
Anonymous Quiz
5%
A.easly hydrolysed by Baryta water
17%
B.it is formed of tropine base and tropic acid
25%
C.it is levorotatory
5%
D.it is a major constituent of Hyoscyamus muticus
48%
E. Used as cholinergic drug
All the followings are correct except
Anonymous Quiz
3%
A.The (-)-isomer of tropin tropate is hyoscyamine
10%
B. the (+)-isomer of tropin tropate is not found in the plant
6%
C. Hyoscyamine is more active than atropine.
18%
D.The (±)-isomer of scopolamine is atrosine
63%
E.Hyoscine is the (±)-isomer of tropine tropate