The dividing cells at the tip of root and stem are known as?

Which of the following does not lose their nucleus at maturity?

Permanent tissues are derived from

State whether the following statement is true or false:
Cuboidal epithelium forms the lining of the oesophagus and the lining of the mouth.

Differentiate between chlorenchyma and aerenchyma.

Write true $(T)$ or false $(F)$ for the following statements:
$(a)$ Epithelial tissue is a protective tissue in the animal body.
$(b)$ The lining of blood vessels,lung alveoli,and kidney tubules are all made up of epithelial tissue.
$(c)$ Epithelial cells have a lot of intercellular spaces.
$(d)$ The epithelial layer is a permeable layer.
$(e)$ The epithelial layer does not allow the regulation of materials between the body and the external environment.