1.Acco.to
classification of alkaloids, proto alkaloids means
(a)basic in nature (b)nitrogen in the
heterocyclic ring
(c)nitrogen
is not in the hetero cyclic ring, basic in nature, derived from amino
acids,
(d)do not show any chemical tests for alkaloids.
2.composition
of scheibler’s reagent used to detect alkaloids
(a)cadmium iodide
+KI+water (b)nitric
acid +KI+water
(c)potassium
mercuric iodide
(d)sodium tungustate + disodium phosphate +water,acidify with
HNO3
3.for
detection of cocaine,specific chemical test is used.name of the test & final
colour produced are
(a)vitali morine test,violet colour (b)murexide colour reaction,purple
colour
(c)Rathenasinkam’s
test,bluish purple colour
(d)thalleoquin
test,emerald green colour
4.types of
stomata present in madagascur are
(a)paracytic (b)diacytic (c)anisocytic (d)anomocytic
5.yield of
vincristin from crude drug is
(a)0.002% (b)0.003 (c)o.ooo3% (d)0.0002%
6.in the microscopy
of nux-vomica seed,the most identifying characteristic are
(a)fusiform phloem
fibres (b)horse shoe shaped stone cells (c)plasmodesm
(d)unicellular
lignified covering trichomes + plassmodesma
7.one
species of nux-vomica is used to clear turbid water,name of that species is
(a)strychnus nux
vomica (b)struchnus
wallichiana
(c)strychnus
potatorum (d)strychnus
ignatii
8.Indian
ginseng also known as winter cherry belonging to family
(a)rubiaceae (b)solanaceae (c) liliaceae (d)scrophulariaceae
9.tropane
alkaloids are derived from
(a)tryptophan (b)tyrosine (c)tryptamine (d)ornithine
10.secretory
canals are present in
(a)kurchi
bark (b)cinnamon bark (c)cinchona
bark (d)cascara bark
1.C
2.D 3.C 4.C 5.D 6.D
7.C 8.B 9.D 10.C
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