Question

Plants having little or no secondary growth are. A)conifers B)grasses

Answer 1

Grasses are monocots and monocots usually do not have secondary growth.
Palm like monocots have anomalous secondary growth.


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Answer 2

Grass are monocots and monocots doesn't have a secondary growth.

Secondary growth generally does not occur in a monocot plant because of the absence of cambium in vascular bundle in between xylem and phloem no secondary growth is seen in monocots.But in exception, monocots like Draceana Secondary growth is seen .Only in some exceptional cases but it is rare.