Short-day plants (SDP) are

Short-night plants

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Long-night plants

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Long-day plants

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Day-neutral plants

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Solution

The correct option is B Long-night plants
Short-day plants flower when the night lengths exceed their critical photoperiod. They cannot flower under short nights or if a pulse of artificial light is shone on the plant for several minutes during the night; they require a continuous period of darkness before floral development can begin. Because of this reason these plants are also called as long-night plants.
For example- rice, cotton, etc.

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Similar questions

Q. The statement has often been made that the long-day and short-day flowering plants should be more correctly called short-night and long-night flowering plants: Why?

One set of plants exposed to 12 hr day and 12 hr night flowered. The other set with similar exposure to day– night period but with dark period interrupted by flash of light did not come to flower. The plant is

Q. In short day plants, the dark period is critical and so it must be continuous for a certain period. These plants are also called as long night plants. In long day plants, the light period is critical, so it must be continuous for certain duration. These plants are also called as short night plants.

Do the plants respire all day and all night or only at night?

Q. Value based questions.
Short day plants are called long night plants.

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