PLANT PHYSIOLOGY
PLANT GROWTH
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Pointsettias
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Irises
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Dandelions
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Rice
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Detailed explanation-1: -Examples of long day plants are spinach, lettuce, radish, sugar beet, etc. Thus, the correct answer is Spinacia oleracea (spinach). Q.
Detailed explanation-2: -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-3: -Examples of long day plants are spinach, lettuce, radish, sugar beet etc. Thus, the correct answer is ‘Spinacia oleracea (Spinach). ‘
Detailed explanation-4: -7. 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-5: -Long day plant will be induced to flower only when the period of available light exceeds a given critical or limiting period. Examples are wheat, poppy, oat, beet, etc.