Vernalization
Vernalization: Overview
This Topic covers sub-topics such as Vernalisation
Important Questions on Vernalization
The promotion of flowering by a period of low temperature is required in all of the following plants, except:


Precocious reproductive development late in the growing season is prevented in

Cabbage is a biennial plant that produces flowers in the second year of growth. In an attempt to make it flower in a single year, four potted plants (I, II, III, and IV) of cabbage were subjected to different temperatures for several days as given in the table.
Plant | Temperature |

Which is not a requirement of vernalisation?

Vernalisation prevents the plant from

The phytohormone which can replace vernalisation in some plants is

During vernalisation, the stimulus of low temperature is perceived by

Which of the following is incorrect about vernalisation?

Some plants like sugarbeet and cabbage required low temperature for flowering. This phenomenon is called

Stimulus of low temperature in vernalisation is perceived by


Promotion of flowering by a period of low temperature is

Which hormone is responsible for vernalization

Cold treatment of seeds is called Or Seeds of winter varieties are benefited by this method

Assertion : Vernalization is a treatment to plant given artificially.
Reason : Vernalization is perceived by whole plant.

If a tree flowers thrice in a year (October, January and July) in Northern India, it is said to be

Treatment of seed at low temperature under moist conditions to break its dormancy is called

Vernalisation stimulates flowering in

In certain plants, the flowering is either quantitatively or qualitatively dependent on exposure to low temperature. This phenomenon is termed
