The vascular system consists of permanent tissues $X$ (conducts water and minerals) and $Y$ (transpo

Question

The vascular system consists of permanent tissues $X$ (conducts water and minerals) and $Y$ (transport food materials). The $X$ and $Y$ together constitute vascular bundles. Vascular bundles can be open or closed based on the presence or absence of $Z$ between $X$ and $Y$.\Identify $X, Y$ and $Z$.

Professor PC Thomas Classes · Answer

(a)