The atrio-ventricular valves of the heart is prevented from turning inside out by tough strands of connective tissue is called as

Inside ovary, ovules develop from a special tissue called........

Complete the missing links Inside ovary, ovules develop from a special tissue called ……

As various ions from the soil are actively transported into the vascular tissues of roots, then water follows (it's potential gradient) and increase the pressure inside the xylem. This positive pressure is called.

As various ions from the soil are actively transported into the vascular tissues of roots, then water follows (it's potential gradient) and increase the pressure inside the xylem. This positive pressure is called.

Bundles of muscles fibres are grouped as fascicule, which I. is held together and enclosed by collagen fibres and by connective tissue. II. Is surrounded by tough external layer, called fascia. III. Contains an abundance of glycogen. Iv. is developed by repeated divisions of myoblasts. Choose the option with the correct statements.