SCIENCE
BOTANY
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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short-day
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long-day
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day-neutral
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long-night
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Detailed explanation-1: -These are termed “long-day” plants. These bloom only when they receive more than 12 hours of light. Many of our summer-blooming flowers and garden vegetables are long-day plants, such as asters, coneflowers, California poppies, lettuce, spinach and potatoes.
Detailed explanation-2: -Green grams, marijuana, cotton, soyabean, jowar and rice are examples of short day plants. Wheat, henbane, carnation, lettuce, barley and oats are the example of long day plants.
Detailed explanation-3: -Its name is Anthurium and is often called the world’s longest blooming plant. Each heart-shaped flower spike can last up to eight weeks. The largest genus of the Arum family, Anthurium andraeanum is commonly known as Tail Flower (the Greek word for tail flower), Flamingo Flower, Painter’s Palette or Laceleaf.
Detailed explanation-4: -Long-day plants flower and grow when the daylight they obtain is more than their critical (required) photoperiod, like in summer season. They need more light than short-day plants and usually flower when the temperature becomes warmer. Examples of long day plants are spinach, lettuce, radish, sugar beet etc.