Which of the following is an example of a short-day plant?

In some plants, flowering depends on the relative duration of light and dark periods. This response of plants to periods of day/night is called $......$.

The phenomenon where flowering is dependent on exposure to low temperatures is known as:

Which of the following exerts a profound effect on the reproductive growth of a flowering plant?

Which of the following is incorrect about vernalisation?

Some varieties of wheat are known as spring wheat while others are called winter wheat. The former variety is sown and planted in spring and is harvested by the end of the same season. However,winter varieties,if planted in spring,fail to flower or produce mature grains within a span of a flowering season. Explain,why?