Actinostele is a modification of
Siphonostele
Dictyostele
Protostele
Solenostele
A nail is driven into the trunk of a $30$ year old tree at a point $1$ meter above the soil level. The tree grows in height at the rate of $0.5$ meters a year. After three years, the nail will be
Plerome gives rise to
Why the cells of a permanent tissue do not divide? Because they are
Promeristem is found in
Tyloses thickenings are seen in