Question

Have just come back from visiting the Red Wood Forests in California and were amazed at how wide
those trees were. What process is responsible for the increase in width of these trees?
(a) Growth of guard cells. (b) Growth of collenchyma(c) Growth of the apical meristem cells. (d) Growth of lateral meristem cells.
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Answer 1

Answer:

(d) Growth of lateral meristem cells.

Explanation:

The width of trees increases partly by cell division and enlargement of secondary meristematic tissue below the bark. During the cold of winter, cell division and enlargement may cease completely; but during the spring renewed growth occurs. This intermittent growth is influenced by temperature, light, and water