Which of the following pairs is correct in th | vedclass

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(A) Secondary growth is the increase in thickness or girth of the plant body and is caused by the activity of the vascular cambium and cork cambium. I

Vedclass · Accepted Answer

Teak and Pinus

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(A) Secondary growth is the increase in thickness or girth of the plant body and is caused by the activity of the vascular cambium and cork cambium. It is a characteristic feature of dicotyledonous plants and gymnosperms. $A$. Teak ($Tectona$ $grandis$) is a dicot and $Pinus$ is a gymnosperm; both exhibit secondary growth. $B$. $Cedrus$ is a gymnosperm,but Ferns (Pteridophytes) do not show secondary growth. $C$. Wheat is a monocot and Fern is a pteridophyte; neither shows secondary growth. $D$. Sugarcane is a monocot and does not show secondary growth,while Sunflower is a dicot and does. Therefore,the correct pair is Teak and $Pinus$.

Which of the following pairs is correct in the study of secondary growth?

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