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?

Day-neutral plants initiate flowering based on photoperiodism. 

_____ is an example of day neutral plant.

Short-day plants require less exposure to light.

The plants that flower, when day length is more than a certain critical length are called short-day plants.

_____ is an example of long day plants.

_____ first studied photoperiodism.

Photoperiodism is the typical movement in plants under the influence of the availability of light to induce fruit formation.

Spinach is an example of long-day plant.

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?