Question

Q-41. Secondary growth is absent in……… (a) mango (b) Cucurbita (c) Maize (d) Sunflower

Answer 1

Answer:

(c) Maize

Explanation:

Maize does not show secondary growth because it is a monocot plant . It lacks lateral meristimatic tissue lacks (vascular) cambium tissue.

Answer 2

Answer:

The correct answer to this question is the maize plant. The maize plant didn't show secondary growth because maize is a monocot plant.

Explanation:

 Due to the presence of vascular cambium in monocots, Secondary growth does not occur in monocot plant.  Root apical meristem and shoot apical meristem are responsible for primary growth in plants. While two lateral meristem which are the vascular cambium and crock cambium are responsible for secondary growth in plants. In plants, meristematic tissue is responsible for secondary growth, but in maize, plant meristematic tissues are absent, so, therefore, there will be no secondary growth occurs in the maize plant.

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