Maximum elongation takes place in

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(C) Cell enlargement or elongation occurs in various plant cells. In isodiametric parenchymatous cells,enlargement occurs in all directions. However,i

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Both $(A)$ and $(B)$

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(C) Cell enlargement or elongation occurs in various plant cells. In isodiametric parenchymatous cells,enlargement occurs in all directions. However,in many specialized tissues,cell enlargement takes place predominantly in a linear direction,which is referred to as the phase of cell elongation. Maximum elongation is observed in conducting tissues (like xylem vessels and tracheids) and fibres,as these cells need to extend significantly to perform their structural and transport functions.

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