What is the gap between two neurons called?

Which part of the nervous system controls reflex arcs?

Name the plant hormones responsible for the following:
$(a)$ Elongation of cells
$(b)$ Growth of stem
$(c)$ Promotion of cell division
$(d)$ Falling of senescent leaves.

How does the feedback mechanism regulate hormone secretion?

The opening of a lotus flower in the morning is an example of which type of movement?

Write true or false for the statement: Forebrain maintains posture and balance of the body.