Plants are able to measure the duration of exposure to light.

Which of the following processes lead to formation of cork cambium and interfascicular cambium?

Duration of light period is more important than the duration of dark period.

Which of the following is not an essential element for the growth of the plant?

The role of PGRs is a kind of intrinsic control.

What is the growth rate?

One single maize root apical meristem can give rise to how many new cells per hour?

Which of the following hormone is used to induce morphogenesis in plant tissue culture?