Tissue and Tissue System — BIO BOTANY STD 11 — Question
Tamilnadu BoardEnglish MediumSTD 11BIO BOTANYTissue and Tissue System2 Marks
Question
Explain apical cell theory?
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Answer
Apical cell theory is proposed by Nageli. The single apical cell or apical initial composes the root meristem. The apical initial is tetrahedral in shape and produces root cap from one side. The remaining three sides produce epidermis, cortex and vascular tissues. It is found in vascular cryptogams.
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