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WorksheetsPhytochemistry Quiz
Total questions: 15
Worksheet time: 8mins
Which of the following is a characteristic iridoid glycoside found in Gentiana lutea?
Sennoside
Gentiopicroside
Artemisinin
Santonin
Which plant yields Artemisinin, a potent antimalarial compound?
Taxus brevifolia
Gentiana lutea
Artemisia annua
Artemisia absinthium
The structure of artemisinin contains an unusual:
Oxirane ring
Endoperoxide bridge
Lactone ring
Epoxy ring
Paclitaxel is primarily obtained from which part of Taxus species?
Fruit
Leaves
Bark
Roots
Which of the following is a tetraterpenoid with pro-vitamin A activity?
Santonin
β-Carotene
Lycopene
Artemisinin
The function of paclitaxel in cancer treatment is due to its:
DNA cross-linking
Antioxidant action
Stabilization of microtubules
Inhibition of topoisomerase
Which of the following is commonly used to detect aldehydes like citral in analysis?
Dragendorff's reagent
Ninhydrin
2,4-Dinitrophenylhydrazine (DNPH)
Mayer's reagent
Citral is present abundantly in the essential oil of:
Clove
Lemongrass
Fennel
Ginger
Which test confirms the presence of iridoid glycosides?
Keller-Killiani Test
Shinoda Test
Trim-Hill Test
Kedde Test
Santonin, present in some Artemisia species, shows a color change in alkali. What is the color?
Red
Yellow
Blue
Violet
Which analytical technique is most suitable for quantification of artemisinin in extract?
UV-Vis Spectroscopy
HPTLC
HPLC
Flame photometry
The endoperoxide bridge in artemisinin is responsible for:
Sweet aroma
Antioxidant activity
Antimalarial action
Color change in TLC
Which of the following is NOT a known source of carotenoids?
Carrot
Marigold
Spinach
Artemisia
The genus Taxus is known for producing which anticancer agent?
Vinca alkaloids
Podophyllotoxin
Paclitaxel
Curcumin
Gentian is pharmaceutically used as a:
Sedative
Bitter tonic
Antihelminthic
Diuretic
