In a bisexual flower, if androecium and gynoecium mature at different times, the phenomenon is known as :

In a typical flower, germinating pollen grains pass through several parts of the gynoecium before they reach the ovule. A list of the parts of gynoecium is given below in different combinations. Choo…

Which one of the following tissues si known as basic packing tissue and found in xylem and phloem?

The phenomenon of photoperiodism in plants was discovered by

Relationship between a flower and honey-bee will help the flower for/in

Given below are two statements, one is labelled as Assertion (A) and other is labelled as Reason (R). Assertion (A): Transpiration helps in the ascent of sap. Reason (R): Transpiration increases osmo…