Which simple plant tissue is responsible for photosynthesis,storage,and secretion?

Which tissue components does safranin stain?

Choose the correct pair.

Deciduous plants shed their leaves during hot summer or in autumn. This process of shedding of leaves is called abscission. Apart from physiological changes,what anatomical mechanism is involved in the abscission of leaves?

Identify $P, Q,$ and $R$ in the given figure.

Vessels are mainly found in