Which type of cells have the capacity of self-perpetuation?

Identify the tissues $P$ and $Q$ based on their functions:
Tissue $P$: Responsible for the increase in length of roots and stems.
Tissue $Q$: Responsible for the increase in girth (thickness) of roots and stems.
Choose the correct option for $P$ and $Q$.

Secondary meristems are derived from

Which of the following tissues is responsible for the indeterminate growth of plants?

The meristematic tissue present between the primary phloem and primary xylem is known as:

Choose the wrong statement from the following: