In spite of the difficulties attending a precise definition, the term is an extremely useful one, commonly applied to
Anonymous Quiz
84%
basic nitrogenous compounds of plant origin which are physiologically active.
5%
Not basic nitrogenous compounds of plant origin which are physiologically active.
6%
basic nitrogenous compounds of plant origin which are not physiologically active.
5%
basic nitrogenous compounds of plant origin which are physiologically less active.
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Distribution of alkaloids is angiosperms
Anonymous Quiz
60%
Papaveraceae
2%
Myrtaceae
2%
Asteraceae
36%
All above
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Distribution of alkaloids are the
Anonymous Quiz
10%
angiosperms
5%
the gymnosperms only rarely contain them (Taxaceae).
2%
The monocotyledons do not generally produce alkaloids
84%
All above
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Protoalkaloids are also called as:
Anonymous Quiz
69%
a) Amino alkaloid
8%
b) Pseudo alkaloid
8%
c) True alkaloid
14%
d) Extra alkaloid
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Who first coined the name “Alkaloids"?
Anonymous Quiz
12%
a) S.W. Pelletier
74%
b/ Fredrich
10%
c) Karl Fredrich Wilhelm Meissner
4%
d) Joseph Caventou
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Which of the following is the common functional group in an alkaloid structure?
Anonymous Quiz
89%
a) Amine
6%
b) Carboxyl acid
4%
c) Amide
1%
d) Ketone
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What is one of the key reactions in the biosynthesis of alkaloids:
Anonymous Quiz
86%
a) Mannich reaction
5%
b) Williamson Ether
2%
c) Diels Alder reaction
6%
d) Grignard reaction
The Schiff Base can act as which of the following?
Anonymous Quiz
26%
a) electrophile
21%
b) nucleophile
6%
c) leaving group
46%
d) A and C
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Which is NOT the characteristic
feature of alkaloid?
feature of alkaloid?
Anonymous Quiz
11%
a. Complex molecular structure and nitrogen in the molecule
8%
b. Basic in nature
4%
c. Biosynthetically derived
77%
d. Only acidic in nature
❤4
Wagner reagent contains:
Anonymous Quiz
59%
a. lodine + KI water
14%
b. KI+ bismuth iodide
18%
c. lodine
8%
d. Mercuric chloride + KI in water
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.Murexide test is used to detect:
Anonymous Quiz
89%
a. Caffeine
4%
b. Datura
5%
c. Tannins
1%
d. Senna
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Picric acid is a chemical composition
of:
of:
Anonymous Quiz
10%
a. Van urk's reagent
7%
b. Mayer reagent
76%
c. Hager's reagent
7%
d. Wagner's reagen
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What is an alkaloid?
Anonymous Quiz
67%
A )natural, basic compound with at least one nitrogen atom
4%
B)man made, acidic compound made of mostly nitrogen and carbon
3%
C) natural, acidic compound derived from animal fat
27%
D) natural, basic compound consisting mainly of carbon and hydrogen atoms
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Which of the following are examples of alkaloids?
Anonymous Quiz
5%
a. Quinine
6%
b. Morphine
1%
C. Heroin
1%
d. Cocaine
86%
e.All of these are examples of alkaloids
Which of the following is the property of an alkaloid?
Anonymous Quiz
8%
A.Acidic Nitrogen Compound
82%
B.Basic Nitrogen Compound
8%
C.Neutral Nitrogen Compound
2%
D.Volatile Nitrogen Compound
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Alkaloids are obtained from?
Anonymous Quiz
20%
A.Plants
1%
B. Animal
1%
C.Microorganisms
78%
D.All of the above
Which of the following is NOT an example of Liquid Alkaloid?
Anonymous Quiz
16%
A. Sparteine
7%
B.Coniine
8%
C. Nicotine
68%
D.Atropine
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Another name for Potassium mercuric iodide solution used for alkaloid chemical test?
Anonymous Quiz
13%
A/Wagners Reagent
77%
B. Mayer's Reagent
6%
C.Hager's Reagent
5%
D.Sonnenschein Reagent
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Which of the following is CORRECT for Murexide test?
Anonymous Quiz
79%
A. Caffeine + Hcl + KCI3
12%
B.Caffeine + H2SO4 + KCI3
6%
C.Caffeine + HNO3 + Br2
3%
D.Caffine + H2 + N2
Ipecac and Aconite are found in?
Anonymous Quiz
26%
A.Bark
56%
B. Root
11%
C.Aerial part of plant
7%
D.Unripe capsule
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