Growth of pollen tube is

Identify the correct and incorrect statements from the following. (i) 17500 new cells are produced per hour by a single maize root apical meristem. (ii) With the help of length, growth of pollen tube is measured. (iii) The growth of the leaf is measured in term of volume. (iv) Cells in a watermelon increase in size by upto 350000 times.

Chemotropic agent for the growth of pollen tube in angiospermic plants is

Chemotropic agent for the growth of pollen tube in angiospermic plants is

Growth of a pollen tube is measured in terms of it's

Pollination is best defined as (A) The transference of pollens from anthers to stigma (B) The germination of pollen grains (C) visiting on flowers by ants (D) the growth of pollen tube in the ovule

Growth of pollen tube, leaf are measured respectively in

The growth of pollen tubes towards ovules is the example of :

Which elements are essential for the growth of pollen tube ?