Hypodermis is collenchymatous in

Lysigenous cavity filled with water is present in

The vascular bundles in a dicot stem are

Phloem in gymnosperms lacks:

Which of the statements given below is NOT true about formation of ‘annual rings’ in trees?

Regeneration of damaged growing grass following grazing is largely due to:

In the dicot root, the vascular cambium originates from:

Casparian strips occur in

Plants having little or no secondary growth are

Secondary xylem and phloem in dicot stem are produced by