Photoperiodism

Which of the following is required for stimulation of flowering in the plants?

For short day plants, the critical period is

Effect of length of day (light duration) on flowering is called

What kind of plants requires the exposure to light for a period exceeding a well-defined critical duration?

_____ is an example of day neutral plant.

_____ is an example of long day plants.

Which of the following pair is mismatched?

All given statements are correct w.r.t. photoperiodism, except

For flowering, critical dark period should always be exceeded in

The site of perception of light/dark duration that induces flowering in short day or long day plants are

The hormonal substance which migrates from leaves to shoot apices to induce flowering is

Cucumber and tomato are the examples of:

Most of the winter flowering plants belong to

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

Which type of plants can blossom throughout the year?

Site of perception of light/dark duration is/are

Which of the following plants do not show any correlation between exposure to light duration and induction of flowering response?

Which of the following is a short-day plant?

Assertion : Photomodulation of flowering is phytochrome-regulated process.

Reason : Active form of phytochrome (Pfr) directly induces floral induction in shoot buds.

Which one of the following statements is true for the phytochrome