MCQs From Cognosy Flashcards
1
Q
Synonym of Gymnema (flavonoid)
A
Madhunashini
2
Q
What kind of bark does Ashoka have
A
Channelled bark
3
Q
Characteristics feature of Quilliaia
A
Rhitodoma
4
Q
Synonym of Aconite
A
Wolfsbane root
5
Q
Synonym of Wild cherry
A
Virginian Prune Bark
6
Q
Other synonyms of Aconite
A
Monkshood, Vacchanang
7
Q
What kind of stomata is present in Digitalis?
A
Anomocytic stomata
8
Q
In what shape are the CA oxalate crystals present in Wild Cherry?
A
Prism
9
Q
Synonym for Gokhru
A
Devil’s weed, punctured wine
10
Q
What family does Gokhru belong to?
A
Zygophyllaceae
11
Q
What family does Gokhru belong to?
A
Zygophyllaceae
12
Q
Characteristic feature of the trichomes in Digitalis
A
Covering trichomes
13
Q
What kind of stomata is present in senna?
A
Pericytic stomata
14
Q
Active constituent of mustard
A
Sinigrin
15
Q
Constituents of Palmidine A
A
Aloe emodin + emodin
16
Q
What type of glycoside is Ginko?
A
Flavonoid glycoside
17
Q
Name some bitter glycosides
A
Chirata, Gentian, Quassia
18
Q
What are the type of crystals of Ca oxalate present in Squill?
A
Acicular crystals
19
Q
Identifying feature of senna
A
Thick walled warty trichomes
20
Q
What shape does the Cascara bark have?
A
Quill shape
21
Q
What is the sugar moeity present in K-Strophanthiside?
A
Cymerose
22
Q
What family does Cascara belong to?
A
Rhamnaceae
23
Q
Synonym of Cantharides
A
Spanish flies
24
Q
Active constituent of Kalmegh
A
Andrographolide 1%
25
B.source of Black mustard
Dried,ripe seeds of Brassica nigra
Family - Cruciferae
26
B.source of Thiveta (Yellow oleander)
Dried seeds of Thivetia nerifolia
Family - Apocynaceae
27
What parts of Quillia is medicinally important?
Inner bark
28
Name some plants belonging to the family Liliaceae
Aloe, Shatavari, Indian Squill
29
What family does Quassia belong to?
Scrophulariaceae
30
What drug is Primveroside derived from?
Senega
31
Name some adulterants used in Digitalis
Primrose leaves, comfrey leaves and Verbaseun Thapus
32
What is the shape of CA oxalate in Rhubarb?
Rosette
33
How much insoluble ash is present in Digitalis?
NMT 2.5%
34
What is the Sulphated Ash value of Ginseng?
NMT 12%
35
What family does Gymnema sylvestre belong to?
Asclepiadaceae
36
What are the products of hydrolysis of Verdocin?
Gitalogenin + 3 digitoxose sugars
37
What is the medicinally important part of Strophanthus?
Seeds
38
Give an example of phenolic glycoside
Bearberry
39
What is peruvoside and what plant does it belong to?
It is a cardiac glycoside (cardenolide) and it is mainly found in Thivetia nerifolia
40
What is the aglycone part of Peruvoside?
Cannogenin
41
What kind of glycosides does Rhubarb contain?
O-glycosides
42
Alexandrian senna is obtained from which biological source?
C.acutifolia
43
What is the biological source of Kesar?
Dried stigma of Crocus sativus
Family - Iridaceae
44
What kind of saponin is present in Ginseng?
Chikusetu saponin
45
Which plant is called the 'Ginseng of India'?
Withania Somnifera
(Ashwagandha, winter cherry)
46
What family does Bearberry/Arbutin belong to?
Ericaceae
47
How much alcohol soluble extractive is present in Peeled liquorice?
Less than 25%
48
How do you distinguish between Natural camphor and Artificial camphor?
Colour reaction with vannilin and H2SO4
49
What is the pigment present in Tomato?
Lycopene
50
B.source of Pyrethrum
Dried flower heads of Chrysanthemum cinerariifolium
Family - Astraceae or Daisy
51
What is Rotenone and where is it obtained from?
It is an insecticidal compound and it is obtained from Derris root, derris rhizomes and cube root.
It is an alkaloid
52
What part of a plant is Valerian?
Root, stolon and rhizome
53
Due to which compound does Nutmace give the red colour in Iodine solution?
Due to the presence of Amylodextrin
54
Synonym of Nutmeg
Nux-monchata
55
Active constituent in Nutmeg
Myristicin
56
Active constituent in Tachyspermum ammii (Ajwain)
Thymol
57
Name some plants of the Rosaceae family
Quillia, Bitter almond, wild cherry bark
58
Name some plants of the Labiatiae family
Peppermint, Spearmint, Tulsi
59
Name some chemical constituents present in Nutmeg
Aril, Saffrole
60
Chief constituent of Ammi
Xanthotoxin
61
Synonym of Ammi visnaga
Pick tooth fruit
62
What family does Ammi visnaga belong to?
Carrot family or Apiaceae
63
Name some plants whose barks are flat
Arjuna, Quilliaia
64
What medicinal property does Kalmegh have?
Hepatoprotective
65
What are the medicinally important parts of Shatavari?
Roots and leaves
66
What is the vein-islet number of Alexandrian senna (C.acutifolia)?
25 - 29.5
67
What is Raymond's test used for?
To identify Cardiac glycosides
68
How much Quassin does Quassia contain?
0.2%
69
What is the Sulphated Ash value of Ginseng?
NMT 12%
70
What is the chemical name of Sinigrin?
Potassium Myronate
71
What is the composition of K-Strophanthin present in Strophanthus?
1. Cymarin.
2. Cymarol
3. K-strophanthoside beta
4. K-strophanthoside
72
Does glycoside reduce Fehling's solution directly?
Depends on the hydrolysis of the glycoside
73
What is Stats-Otto method used for?
For the isolation of Glycosides
74
What is Kedde's test used for?
For the identification of Cardiac glycosides
75
What are the hydrolytic products of Palmidine B?
Aloe emodin + Chryzophenol
76
What is Encordin (an anti-viral agent) prepared from?
Peruvoside
77
What are the synonyms of Kalmegh?
Green Chiretta, King of Bitters
78
How can Chinese Rhapontic Rhubarb be distinguished from Indian Rhubarb?
By their blue fluorescence in UV light
79
What is the botanical name of Chota Gokhru?
Tributes terrestris
80
Name some plants in which warty trichomes are present
Anise and Senna
81
What is the ideal moisture content of Digitalis?
NMT 5%
82
What type of glycoside is Cascaroside?
O-glycoside and C-glycoside
83
What type of ring do Cardenolides possess?
An unsaturated alpha, beta ring
84
What type of stomata does Digitalis have?
Ranuncolaceous/Anomocytic
85
What is the shape of the CA oxalate crystals present in Cascara?
Prism
86
Name some adulterants that are added in Indian Senna
Palthe senna, Casia obovata
87
What type of CA oxalate crystals does the mesophyll in Indian squill have?
Raphide type
88
Synonym of Methi
Vendayam
89
Major constituent of Chakramarda/Chakramadu
Chrysophanic acid
90
What is the use of Bavchi?
Used for leukoderma
91
Major constituent of Senega
Triterpenic glycosides
92
Medicinal property of Chenopodium
Anti-helmenthic
93
What is the Ascaridol derived from chemically?
Terpene peroxide
94
Name a poisonous substance found in Indian dill
Dill-apiole
95
Identifying feature of Jatamansi
Interxyllary and medullary cork
96
What method is used to extract volatile oil from fruits?
Eculle method
97
Name a substance used to adulterate Jatamansi.
Rhizomes of Selinum vaginatum
98
How much volatile oil is present in Clove?
15%
99
What is the active constituent of Syzygium aromaticum?
Eugenol
100
B.source of Clove
Dried flower buds of Eugenia caryophyllus or Syzygium aromaticum
Family - Myrtaceae
101
What plant has latex vessels present in their phloem?
Lobelia
102
Name some liquid and volatile alkaloids
Nicotine and Coniine
103
What is the name of the nucleus present in Vasaka?
Quinazoline ring
104
What is the shape of the trichomes present in Pyrethrum?
T shaped
105
What family does Cinchona belong to?
Rubiaceae
106
What family does Ergot belong to?
Graminaceae
107
What family does Nux-vomica belong to?
Loganiaceae
108
What is the starting material of Indole alkaloids?
Tryptophan
109
Starting material of Tropane alkaloids
Ornithine
110
Starting material of Isoquinoline alkaloids
Tyrosine
111
Starting material of Piperidine alkaloids
Lysine
112
Starting material of Quinoline alkaloids
Anthralinic acid
113
What is the colour of Tannic acid test for alkaloids?
Buff coloured precipitate
114
What is the colour for Ammonium Reineckate test for alkaloids?
Pink flocculated colour
115
What is the colour for Picrolonic acid test?
Yellow colour
116
Name some steroidal alkaloids
Kurchi, Veratrum, Ashwagandha
117
Name an alkaloid used to treat Migraine
Ergot
118
What is the nucleus present in Vasaka?
Quinozoline moeity
119
Name some Tropane alkaloids
Coca, Datura, Dibuiosa
120
What kind of cork does Rawolfia have?
Stratified cork
121
What kind of parenchyma is present in Ergot?
Pseudoparenchyma
122
What kind of CA oxalate crystals does Atropa Belladona have?
Microsphenoid type
123
Characteristic feature of Kurchi bark
Rhombohedral crystals
124
Name some Tyrosine derived alkaloids
Ephedrine, Hordenine, Mescaline
125
What kind of stomata does Belladona have?
Anisocytic
126
Type of stomata present in Vasaka
Diacytic
127
How much morphine does Opium have?
9%
128
B.source of Nux-vomica
Dried, ripe seeds of Strychnos nux-vomica tree
Family - Loganiaceae
129
Plants from Apocynaceae family
Strophanthus, Vinca, Rauwolfia
130
Synonyms of Malgangni
Staff tree, Intellect tree
131
Name a drug which is a bioavailability enhancer
Piper longum
132
Which is the useful part of Acorus calamus of family Araceae
Rhizome
133
Name a volatile oil used as a mosquito repellant
Lemon grass oil
134
What is Colophony?
The solid residue obtained after removing volatile oils
135
What is the red colour in Capsicum due to?
Capsanthin
136
Main constituent of Eucalyptus oil
Cineol
137
Main component of Mentha Spicata
Carvone
138
Active constituent of Tulsi
Eugenol
139
Active constituent of Spearmint
(-) Carvone
140
Difference between Indian Dill and European Dill
Indian Dill:
1. Contains less Cardone
2. Contains Dill-apiole
141
Identifying character of Coriander
Lignified parenchyma of mesocarp
142
How much volatile oil does Nutmeg contain?
5%
143
Drugs from family Umbelliferae
Caraway, Dill, Cumin
144
Synonym of Sandlewood
Heartwood
145
Drugs from family Lauraceae
Camphor, Cassia cinnamon, Cinnamon
146
Drugs under Rutaceae family
Lemon oil, Bitter orange pill
147
Drugs under Zingiberaceae family
Turmeric, Ginger, Cardomom
148
Which family does Garlic belong to?
Liliaceae
149
B.Source of Dill
Dried, ripe fruits of Anethum graveolens
Family - Umbelliferae
150
Biological name of Tulsi
Ocimum sanctum
151
What part of Cumin is medically important?
Dried ripe fruits
152
Medicinally important part of Nutmeg
Dried kernel
153
Total volatile oil present in Dill
NLT 2.5%
154
Total volatile oil present in Fennel
NLT 1.4%
155
Name a Diterpene class alkaloid
Aconite
156
Thallequin test is used to identify which drug?
Cinchona
157
Name some drugs synthesized from Tyrosine
Papaverine, Morphine
158
From what AA is Ephedrine derived?
Phenylalanine
159
AAs that contribute to the biosynthesis of Atropine
Ornithine, Phenylalanine, Methionine
160
Name some drugs synthesized from Ornithine
Nicotine, Hygrine
161
Name some plants having Ranunculaceous stomata
Digitalis, Buchu, Lobelia
162
Characteristics of Strophanthus and Lobelia
Lignified trichomes
163
Name a drug having Caryophyllaceous or Diacytic stomata
Vasaka
164
Name a drug having Cruciferous or Anisocytic stomata
Belladona
165
What kind of CA oxalate crystals are present in Cardomom?
Prism
166
What type of Ca oxalate crystals are present in Fennel and Anise seed?
Rosette
167
Characteristic feature of Anise seed
Unicellular, thick-walled, warty trichomes
168
How much Fenchone does Japanese Fennel contain?
10.20%
169
What kind of Ca oxalate crystals are present in Caraway?
Micro-rosette
170
Mention some microscopic features of Fennel
1. Anomocytic stomata
2. Rosette Ca oxalate crystals
3. Aleurone grains
171
How much Ascaridol does Chenopodium contain?
NLT 65%
172
What kind of volatile oil does Peppermint contain?
Alcoholic type
173
What kind of volatile oil does Chenopodium contain?
Oxide type
174
Name the sedative chemical constituent present in Calamus
Asarone
175
Main constituent of Wintergreen oil
Methyl salicylate
176
Main constituent of Chenopodium oil
Ascaridiol
177
Rugae is present in...
Cardomom
178
What type of stomata is present in the epidermis of the pericarp in Fennel?
Anomocytic
179
What kind of terpenoids are Annato and Crocus?
Tetra-terpenoids
180
What colour does Sudan III give when it's reacted with volatile oil?
Red
181
What kind of volatile oil do Caraway, Dill and Cumin contain?
Ketone volatile oil
182
How much Abietic acid is present in Colophony?
90%
183
What is Azadirachtin?
It is a Tetra nor-terpenoid
It is used as an insecticide.
More specifically, It is an ANTI-FEEDANT (i.e, It deters insects sense of smell and taste, thereby, preventing them from feeding on the plant sprayed with it
184
What kind of terpene is Vitamin A?
It is a Monocyclic diterpene
185
What can Vanillin be synthesized from?
Eugenol
186
What is Margosa oil used for?
Asthma, parasites, arthritis and leprosy
187
From what plant can Indian gum be obtained from?
Acacia rabica
188
Name a plant whose trichomes contain resin.
Indian Hemp
189
Biological source of Behda or Behra
Dried, ripe fruits of the plant Terminalia balerica
Family - Combrataceae
It is used in Ayurveda for digestive ailments and other issues
It contains Gallic acid, Ellagic acid and Chebulagic acid (It is a TANNIN)
190
Name the 3 fruit powders present in Triphala churna
1. Amla
2. Hitaraki (Terminalia chebula)
3. Behda
191
GALLS are vegetable outgrowths present on the twigs of...
Dyer's Oak
192
Which is the prominent chemical constituent present in Galls?
Gallotannic acid
193
Which chemical compound is used to identify Agar?
BaCl²
194
What is the biological name of Tolu Balsum?
Myroxylon balsumum
195
Biological name of Guar gum
Cymopsis tetragonolobus
196
What is Myrobalan?
It is a tannin containing fruit
It is obtained from Terminalia chebula
Family - Combrataceae
197
The purgative property of Myrobalan is due to the presence of...
Anthracene
198
Isabgol seeds are adulterated with...
Plantago lanciolata
199
What is wheat derived from?
Triticum aestivum
200
What is the ash value of potato starch?
NMT 0.3%
201
How much pectin can be obtained from Carrots?
10%
202
What is the moisture content of Tragacanth?
15%
203
Arabin Oxidase is present in which carbohydrate containing drug?
Indian gum
204
What does Caramel contain as a chemical constituent?
Burnt sugar
205
What kind of plant is Gum Ghatti?
A carbohydrate containing plant
206
How much tannin does Ashoka contain?
6%
207
Name a commercially known Dextran
Sephadex
208
What is Aril?
Succulent growth from hilum covering the entire seed
209
What is the Iodine number of coconut oil?
7 - 10
210
Which fixed oil is soluble in alcohol?
Castor oil
211
What is the main constituent of Palm oil?
Fats
212
What fluorescence does Olive oil give?
Golden yellow colour
213
What is Halphen's test used for?
Detection of cotton seed oil as an adulterant
214
Which is the most common carbon source for plant tissue culture?
Sucrose
215
What is Chrysanthemum mostly used as?
Insecticide
216
What is Lycopodium Spore Method mostly used for?
1. Powdered drugs have well-defined particle size
2. Single layered cells or tissues
3. Objects of uniform thickness
217
I IU of Vitamin A = ________
0.344 microgram of standard preparation
218
In what plant are Stellate trichomes present?
Hammaelis
219
What is Keris test used for?
Rancidity of fats and oils
220
The semi-solid mass dissolved by boiling a decoction is called...
Lehya
221
Marine fungus is the source of what anti-biotic?
Cephalosporin
222
Bryostatin, an anti-leukemic compound, is isolated from the marine organism....
Bugula neritina
223
What does CENTROXYLIC mean?
Xylem in the centre, surrounded by phloem
224
What is the characteristic feature of Monocotyledonous plants?
A "Closed collateral" vascular bundle
225
What is the ratio of Auxin and Cytokinin required for the formation of shoot?
Auxin:Cytokinin = 4:1
226
What is Chlorophytum borivillianum used as?
An aphrodisiac
227
What is Manoalide used as?
An anti-inflammatory drug
228
In what plant are Candelabra trichomes present?
Verbascun thapus
229
Centroxylic vascular bundle is present in...
Maleforn
230
What is the relationship between Ester value, Saponification value and Acid value?
Esters value = (S.V - A.V)
231
What solutions are used for the sterilization of 'explant' in plant tissue culture?
Na hypochloride, H2O2 and Bromine water
232
What fungi is Gibberellin obtained from?
1. Gibberella fugikuroi
2. Fusarium heterospermum
233
Ig of shark liver oil = ________ IU of Vit A
6000
234
What is Sterculia gum?
It is a plant derived, water soluble polysaccharide.
It is also called Indian Tracaganth
It is used as a thickener, emulsifier and stabilizer
235
What sugar molecules does STERCULIA GUM give upon acid hydrolysis?
D-galactose + L-rhamnose - D-galacturonic acid
236
Name a few unorganized drugs
Tracaganth, Aloe and Lard
237
Name a drug that has cytotoxic activity
Ara C (Cytrabine)
238
What is a plant part that is specifically present in Castor?
Caruncle
It is a small, fleshy outgrowth, typically found near the micropyle of certain seeds
It is especially seen in plants belonging to EUPHORBIACEAE
239
What are Monohybrids?
One pair of different characters
240
Which test is used to estimate the germination capacity of seeds?
Rolled towel index
