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प्रश्न
What are long-day plants (LDP)? Give two examples.
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उत्तर
- Plants that flower usually during summer are called long-day plants. They require a longer duration of light than the critical photoperiod, for flowering.
- They are called short-night plants as they require a short dark period.
- When the long dark period is interrupted by a brief flash of light, LD plants can flower e.g. pea, radish, sugar beat,
- Example: cabbage, spinach, wheat, poppy, etc.
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संबंधित प्रश्न
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.
Describe the mechanism of photoperiodic induction of flowering.
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.
Fill in the blanks:
Pigment involved in Photoperception in flowering plants is ______.
