Which of the following plant do not contain ALKALOIDS
Anonymous Quiz
24%
Amaryllidaceae
10%
Rubiaceae
62%
Rosaceae
4%
Ranunculaceae
👍1
🙈2
Alkaloids may occur in roots of :
Anonymous Quiz
17%
pomegranate
13%
black pepper
59%
aconite
12%
nux vomica
Alkaloids may occur in various parts of the plant:
- In seeds (nux vomica, areca), - In fruits (black pepper, conium), - In leaves (belladonna leaf, hyoscyamus), - In underground stems (sanguinaria, corydalis), - In roots (aconite, belladonna root), - In rhizomes and roots (ipecac, hydrastis), - In barks (cinchona, pomegranate). - They are also found in the fungi (ergot, Amanita citrina).
مهمات👍
- In seeds (nux vomica, areca), - In fruits (black pepper, conium), - In leaves (belladonna leaf, hyoscyamus), - In underground stems (sanguinaria, corydalis), - In roots (aconite, belladonna root), - In rhizomes and roots (ipecac, hydrastis), - In barks (cinchona, pomegranate). - They are also found in the fungi (ergot, Amanita citrina).
مهمات👍
❤7👏1
The name of cocaine is obtained :
Anonymous Quiz
69%
from the specific name of the plant yielding them
15%
from the generic name of the plant yielding them
5%
from the discoverer
11%
from the common name of the drug yielding them
the name of ergotamine is obtained :
Anonymous Quiz
8%
from the discoverer
8%
from the specific name of the plant yielding them
71%
from the common name of the drug yielding them
13%
from the generic name of the plant yielding them
🫡1
The possible function of alkaloids in plants as:
Anonymous Quiz
8%
(1) poisonous agents protecting the plant against insects and herbivores.
4%
products of detoxification reactions representing a metabolic locking-up
2%
reserve substances capable of supplying nitrogen or other necessary elements to the plant’s economy.
0%
regulatory growth factors.
86%
All of
Tables of alkaloidal plants for quick revision - siraj.pdf
629.8 KB
alkaloidal
جدول يخص alkaloidal
جدول يخص alkaloidal
❤5❤🔥1👏1
Chose the incorrect answer :
Anonymous Quiz
11%
same toxic properties of Alkaloids are observed in the plant defense scenario
14%
isolation of the morphine by Friedrich is regarded as the start of plant secondary metabolism.
11%
It is accepted that the main role of alkaloids in plants is toxicity against predators and pathogens
64%
By agreement, chemical rules designate that the names of all alkaloids should end in “ane.”
Which of the following is false :
Anonymous Quiz
6%
alkaloids in plants are regulatory growth factors.
84%
alkaloids in plants capable of supplying sulfur or other necessary elements to the plant’s economy.
6%
alkaloids in plants are end products of detoxification reactions
4%
alkaloids in plants are poisonous agents protecting the plant against insects and herbivores.
Which of the following drugs is the opposite of morphine?
Anonymous Quiz
41%
codeine
10%
reserpine
15%
homatropine
34%
strychnine
🫡1
Which of the following drug act as mydriatics :
Anonymous Quiz
6%
codeine
4%
reserpine
76%
atropine
14%
physostigmine
Which of the following Color matching is true :
Anonymous Quiz
8%
copper-red - codeine
4%
Red - reserpine
67%
yellow - berberine
21%
non of the following
Which of the following is true about alkaloids :
Anonymous Quiz
15%
alkaloids lack oxygen in their molecules, are solids .
25%
usually contain 2 nitrogen atom, although some like ergotamine may contain up to five.
53%
The nitrogen may exist as a primary amine , as a secondary amine , or as a tertiary amine .
7%
colored alkaloids are relatively common
💔3