Sieve tubes have
Sieve tubes have
- A
Apical and oblique septa
- B
Perforated and longitudinal septa
- C
Perforated and oblique septa
- D
Simple oblique wall
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$A$ : Cells of sclerenchyma have thickened secondary walls.
$R$ : Cells have deposition of lignin.
$A$ : Cells of sclerenchyma have thickened secondary walls.
$R$ : Cells have deposition of lignin.
Give scientific reasons : Vascular tissues are also called complex tissue.
Give scientific reasons : Vascular tissues are also called complex tissue.
Nucleus is absent in
Nucleus is absent in