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प्रश्न
Define photoperiodism.
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उत्तर
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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संबंधित प्रश्न
What do you understand by photoperiodism and vernalisation? Describe their significance
Long Answer Question:
Describe the types of plants on the basis of photoperiod required, with the help of suitable examples.
Describe the mechanism of photoperiodic induction of flowering.
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 ______.
______ of a vegetative plants are the sites of photoperiodic perception.
Classify the following plants into Long-Day Plants (LDP), Short Day Plants (SDP) and Day Neutral Plants (DNP) Xanthium, Henbane (Hyoscyamus niger), Spinach, Rice, Strawberry, Bryophyllum, Sunflower, Tomato, Maize.
Nicotiana tabacum, a Short Day Plant, when exposed to more than critical period of light fails to flower. Explain.
What are long-day plants (LDP)? Give two examples.
