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β-thioglucosidases, also known as myrosinases, are the enzymes that are known to hydrolyse which one of the following plant natural products? (1) Glucosinolates (2) Terpenoids (3) Alkaloids (4) Phenolics Correct […]

Given below are some statements on secondary metabolites in plants. A. Glucosinolates are synthesized by elongation in the length of side chains of their precursor amino acids B. All terpenes […]

Phenyl ammonia Aase (PAL) and chalcone synthase (CHS) involved in biosynthesis of phenolic compound in plants. Following are some statements regarding the action of PAL and CHS: A. Substrate for […]

Given below are the list of plant derived alkaloids and their uses in modern medicine. Alkaloids                     Uses A. Caffeine      […]

Several plants produce metabolites with important medicinal properties and have been extensively used in traditional medicine across the world. Many of these compounds can now be purified or synthesized and […]

26. The plant species which produces both oil and dye (1) Sesamum indicum (2) Conovalia glodicosa (3)Carthamus tinctorius (4) Riccinus cumminis Correct answer: (3) Carthamus tinctorius Explanation: (1) Sesamum indicum (sesame) is […]

25. The main alkaloid obtained for Dioscoreo deltoids is (1) Diosgenin         (2) Atropine (3) Quinone           (4) Serpentine Correct answer: (1) Diosgenin Explanation: The main bioactive compound […]

Which anti-cancerous drug is obtained from Catharanthus roseus (1) Taxol                   (2) Vincristine (3) Colchicine         (4) Serpentine Correct answer: (2) Vincristine Explanation: Vincristine is […]

23. The anti-cancerous drug vincristine is obtained frorn- (1) Catharanthus     (2) Taxus (3) Aribidposis        (4) Cochicum Correct answer: (1) Catharanthus Explanation: Vincristine is a vinca alkaloid, an anti-cancer drug obtained from […]

22. Reserpine, a drug used for treating mental disorders and high blood pressure, is extracted from the roots of which of the following plant species? (1) Ferulo        […]