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Question
Which of the following is a long day plant?
Which of the following is a long day plant?
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Solution
The correct option is D Spinacia oleracea (Spinach)
All plants need sunlight for their growth or photosynthesis or photoperiodism. Plants show specific biological responses and reactions when they exposed to a specific period of sunlight and darkness. This phenomenon is called as photoperiodism. Depending on the amount of light or darkness required for survival and development, plants are divided into three main categories: Short-day plants, long-day plants, and neutral-day plants. 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. Thus, the correct answer is 'Spinacia oleracea (Spinach).'
All plants need sunlight for their growth or photosynthesis or photoperiodism. Plants show specific biological responses and reactions when they exposed to a specific period of sunlight and darkness. This phenomenon is called as photoperiodism. Depending on the amount of light or darkness required for survival and development, plants are divided into three main categories: Short-day plants, long-day plants, and neutral-day plants.
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. Thus, the correct answer is 'Spinacia oleracea (Spinach).'
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