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Question
Define photoperiodism.
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Solution
The response of plants to the relative length of light and dark periods with reference to the initiation of flowering is called photoperiodism.
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RELATED QUESTIONS
Which of the following is not a photosynthetic pigment?
Both a short day plant and a long day plant can flower simultaneously in a given place. Explain.
What is short day plant? Give any two examples.
Long Answer Question:
Describe the types of plants on the basis of photoperiod required, with the help of suitable examples.
Which one of the following is NOT an example of long day plants?
In short-day plants (SDP), flowering is induced by ______.
The site of perception of light in plants during photoperiodism is ______
The photoperiod in plants is perceived at ______.
How many statements are correct for phytochromes?
- Phytochrome pigment exists in two forms.
- Two forms of phytochrome are interconvertible.
- Pfr form of phytochrome inhibits flowering in SDP, during day time.
- Pfr form of phytochrome inhibits flowering in LDP, during day time.
- During day time Pr form accumulates in plants.
While studying flowering behaviour in ______ and ______ plant, Garner and Allard discovered photoperiodism.
