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level: Level 2

Questions and Answers List

level questions: Level 2

Question	Answer
Many members are herbs, parallel-veined leaves Vascular bundles are enclosed by parenchyma sheaths floral parts occur in threes.	Class Monocots
Perennial herbs with rhizomes or bulbs Superior ovary, fruit is capsule or berry Cultivated as flowers but some as vegetables Alkaloids (steroids, isoquinoline,xanthine) Chelidonic acidcyanogenic subs,fructosans Volatile oils which are antimicrobials	Liliaceae
Consist of climbing herbs or shrubs Plants have fleshy tubers (yams) or rhizomes Leaves are cordate base and netted veined Abundant in starch and important foodstuff in the tropics Steroid sapogenins such as diosgenin; are the basis of steroid hormone industry	Dioscoreaceae
Mostly herbs with fibrous root systems. Many are of economic importance as food Leaves are linear, parallel veins with basal sheath Flowers are numerous spikelets with scales Fruit is caryopsis or grain Grass oils are relatively cheap and used in perfumery esp in scenting soap Bamboos, rice, wheat, barley Alkaloids, saponins, cyanogenic compds, phenolic acids, flavonoids, terpenoids	Graminae (grass family)
mostly trees with unbranched stem bearing a crown of large, often branched leaves Fruit is berry, drupe or nut Fixed oils, carbohydrates, leaf wax, saponins, tannins, catechins, ketones	Palmae
Perennial aromatic herbs with fleshy rhizomes and tuberous roots Fruit is capsule Volatile oils with pungent principles Curcuminoids, tannis, phenolic acids, leucoanthocyanins,flavonoids, ketones, terpenoids	Zingiberaceae