EVALUATION

The chapter's Evaluation section closes with twenty questions covering the full span of secondary growth: multiple-choice questions on cambial seasonal activity, why monocots generally do not thicken, lenticel structure, heartwood/duramen, cork/phellogen and the fate of primary xylem in a secondarily-thickened root; two assertion-reason statements on heartwood accumulation and the origin of root vascular cambium; short-answer questions on respiration through lenticels, the botanical definition of wood, wound repair after bark damage, comparing gymnosperm and angiosperm wood, seasonal vessel size, why the wood centre is dark, and the role of lateral meristem; and longer, application-style questions on comparing old versus young timber, counting annual rings to estimate a tree's age, how growth …