Question

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

Answer 1

One set of the plant was grown at 12 hours day and 12 hours night period cycles and it flowered while others at night phase was interrupted by a flash of light and it did not produce flowers under which one of the following categories will you place other set of plant