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If a tree flowers thrice in a year in October, January and July in northern India, the plant is
- a)Photo- and thermo-sensitive
- b)Photo- and thermo-insensitive
- c)Photosensitive but thermo-insensitive
- d)Thermosensitive but photo-insensitive
Correct answer is option 'B'. Can you explain this answer?
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If a tree flowers thrice in a year in October, January and July in nor...
Since flowering can take place during any part of the year therefore the plant is not senstitive to photoperiod.
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If a tree flowers thrice in a year in October, January and July in nor...
Introduction:
In northern India, a tree flowers three times in a year in October, January, and July. Based on this information, we need to determine the plant's sensitivity to photoperiod and temperature.
Explanation:
To understand the plant's sensitivity, we need to consider the flowering pattern and the environmental cues that trigger flowering in plants.
Photoperiod:
Photoperiod refers to the duration of light and darkness in a 24-hour period. Many plants use photoperiod as a cue to determine when to flower. They have specific critical day lengths that trigger flowering. Let's analyze the given information:
- The tree flowers in October, January, and July.
- October and January are months with shorter day lengths.
- July is a month with longer day lengths.
Considering this information, we can conclude that the tree is photo-insensitive since it flowers in both short and long day lengths. This eliminates options (a) and (c).
Temperature:
Temperature can also influence flowering in plants. Some plants require a certain temperature range to initiate flowering, while others are not affected by temperature changes. The given information does not provide any specific details about temperature cues or requirements.
Conclusion:
Based on the flowering pattern and the absence of temperature cues in the given information, we can conclude that the tree is photo- and thermo-insensitive. Therefore, the correct answer is option (b).
Note: It is important to consider that this conclusion is based solely on the information provided in the question. In a real-life scenario, the sensitivity of a plant to photoperiod and temperature can be influenced by various factors, including genetic traits, environmental conditions, and interactions with other plant hormones.
In northern India, a tree flowers three times in a year in October, January, and July. Based on this information, we need to determine the plant's sensitivity to photoperiod and temperature.
Explanation:
To understand the plant's sensitivity, we need to consider the flowering pattern and the environmental cues that trigger flowering in plants.
Photoperiod:
Photoperiod refers to the duration of light and darkness in a 24-hour period. Many plants use photoperiod as a cue to determine when to flower. They have specific critical day lengths that trigger flowering. Let's analyze the given information:
- The tree flowers in October, January, and July.
- October and January are months with shorter day lengths.
- July is a month with longer day lengths.
Considering this information, we can conclude that the tree is photo-insensitive since it flowers in both short and long day lengths. This eliminates options (a) and (c).
Temperature:
Temperature can also influence flowering in plants. Some plants require a certain temperature range to initiate flowering, while others are not affected by temperature changes. The given information does not provide any specific details about temperature cues or requirements.
Conclusion:
Based on the flowering pattern and the absence of temperature cues in the given information, we can conclude that the tree is photo- and thermo-insensitive. Therefore, the correct answer is option (b).
Note: It is important to consider that this conclusion is based solely on the information provided in the question. In a real-life scenario, the sensitivity of a plant to photoperiod and temperature can be influenced by various factors, including genetic traits, environmental conditions, and interactions with other plant hormones.
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If a tree flowers thrice in a year in October, January and July in northern India, the plant isa)Photo- and thermo-sensitiveb)Photo- and thermo-insensitivec)Photosensitive but thermo-insensitived)Thermosensitive but photo-insensitiveCorrect answer is option 'B'. Can you explain this answer?
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