Which of the following plants contain casanthranol?
Rhamnus frangula
Cassia angustifolia
Glycyrrhiza glabra
Discorea spiculiflora
These are homologs of the cardenolides and an unsaturated 6-membered lactone ring:
This is the active constituent found in your Adelfa:
Cymarin
Botogenin
Oleandrin
Prunasin
Maximum therapeutic dose of Danthron (in mg):
This type of glycoside destroys the RBC via the mechanism of hemolysis:
Anthraquinone glycosides
Cardiac glycosides
Saponin glycosides
Isothiocyanate glycosides
This is used as a repigmenter in idiopathic vitiligo:
Psoralens
Sinigrin
Glucovanillic alcohol
Vitamin B17
Apricot contains Laetrile which is also called as Vitamin B7. It was controversial for treating sickle-cell anemia.
First statement is correct
Second statement is correct
Both statements are correct
Both statements are incorrect
It is used for memory because its compounds, flavonoids and terpenoids, are believed to improve blood flow to the brain, act as antioxidants to protect nerve cells from damage, and reduce inflammation, which collectively support cognitive functions like memory.
What type of cathartics are anthraquinone glycoside?
Stimulant cathartics
Osmotic cathartics
Bulk forming cathartics
Stool softener cathartics
It is a harmless condition in which the lining of the colon and rectum, which is usually pink in color, turns a shade of black or brown due to the frequent usage of laxatives.
Glycosides, like any sugar can either exist in alpha or beta type. Most of the glycosides occurring in nature is in beta form.
First statement is correct.
Second statement is correct.
Both statements are correct.
Both statements are incorrect.
Glycosidic bond is what type of organic covalent bond?
Ester bond
Ether bond
Amide bond
Amine bond
Evaluate which of the following is/are TRUE about Digitoxin:
I. It is derived from Digitalis lanata
II. Less toxic form of digitalis
III. Lipid-soluble than digoxin
One statement is correct.
Two statements are correct.
Three statements are correct.
All of the statements are incorrect.
Main phytochemical constituent found in Apocynum cannabinum:
Odd-man out: Which does not belong to the group?
Aloe
Cascara
Senna
Chrysarobin
It enhances the foaminess of beer and is used in the treatment of Addison's disease:
Glycyrrhiza
Danthron
Ginseng
Linamarin
Which of the following is a stress-response modifiers that non-specifically increase an organism's resistance to physical, chemical, or biological stressors?
Ginseng
Wild cherry
Almond
Vanilla
Which of the following is INCORRECTLY matched?
Wild Cherry - Prunasin
Apocynum - Cymarin
Black Mustard - Sinalbin
Bearberry - Arbutin
None of the choices
A widely-used anticoagulant derived from Coumarin (Dipteryx odorata). Brand name is CoumadinÂŽ.
Allyl isothiocyanate is derived from sinigrin by the help of the enzyme myrosin. One of its few uses are as a rubefacient and a local irritant.
First statement is correct.
Second statement is correct.
Both statements are correct.
Both statements are incorrect.
Which of the following BEST describes tannins?
Low molecular weight alkaloids with bitter taste
High molecular weight polyhydroxy phenolic compounds with astringent taste
Volatile oils used mainly as flavoring agents
Nitrogen-containing crystalline compounds
Tannins are biosynthesized primarily through which pathway?
Mevalonic acid pathway
Acetate-malonate pathway
Shikimic acid (phenylpropanoid) pathway
Pentose phosphate pathway
A test considered as the general test for true tannins and distinguishes them from pseudotannins:
Vanillinâhydrochloric acid test
Gelatin test
Phenazone test
Goldbeaterâs skin test
A blue coloration with ferric chloride (FeClâ) is characteristic of which type of tannin?
Condensed tannins
Pseudotannins
Hydrolyzable tannins
Catechins
Which of the following produces a green color when treated with ferric chloride?
Hydrolyzable tannins
Condensed tannins
Gallic acid
Chlorogenic acid
The ability of tannins to precipitate proteins explains their usefulness primarily as:
Laxatives
Anthelmintics
Astringents
Expectorants
Which crude drug is a hardened excrescence formed due to insect activity on Quercus infectoria?
Catechu
Gambier
Nutgall
Cutch
Nutgall is an important source of which active constituent?
Catechin
Chlorogenic acid
Catechutannic acid
Gallotannic acid
Which tannin-containing crude drug is obtained from the heartwood of Senegalia catechu?
Pale catechu
Black catechu
Gambier
Nutgall
The matchstick test producing a pink or red color is specific for the detection of:
Gallic acid
Chlorogenic acid
Catechin
Ellagic acid
BONUS (for 5 points). What is the color of the gemstone bracelet am I always wearing on my left hand?
Blue
Pink
Red
Brown