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Photoperiodism is defined as the developmental responses of plants to the relative lengths of light and dark periods. Which of the following biological activities in plants are affected due to photoperiodism?
Pigment formation
  • Leave shedding
  • Onset and breaking of bud dormancy
    Select the correct answer using the code given below.
    • a)
      1 and 2 only
    • b)
      2 and 3 only
    • c)
      1 and 3 only
    • d)
      1, 2 and 3
    Correct answer is option 'D'. Can you explain this answer?
    Most Upvoted Answer
    Photoperiodism is defined as the developmental responses of plants to...
    Photoperiodism in Plants
    Photoperiodism is a crucial factor that influences various biological activities in plants. Here are the key activities affected by photoperiodism:

    Pigment Formation
    - Photoperiodism plays a significant role in regulating pigment formation in plants. The relative lengths of light and dark periods can affect the synthesis of pigments such as chlorophyll, carotenoids, and anthocyanins. These pigments are essential for various plant functions, including photosynthesis, protection against light stress, and attraction of pollinators.

    Leaf Shedding
    - Photoperiodism also influences the process of leaf shedding, known as abscission, in plants. Changes in the length of daylight trigger hormonal responses that control the abscission zone's development and ultimately lead to the shedding of leaves. This process is crucial for plants to adapt to changing environmental conditions and conserve resources during unfavorable periods.

    Onset and Breaking of Bud Dormancy
    - Another important biological activity affected by photoperiodism is the onset and breaking of bud dormancy in plants. The duration of light exposure can signal to the plant when to enter dormancy to withstand harsh conditions such as winter and when to resume growth in favorable conditions. This cycle is crucial for the plant's survival and successful reproduction.
    In conclusion, photoperiodism plays a vital role in regulating pigment formation, leaf shedding, and bud dormancy in plants. Understanding these responses is essential for studying plant development and adapting agricultural practices to optimize plant growth and productivity.
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    Photoperiodism is defined as the developmental responses of plants to the relative lengths of light and dark periods. Which of the following biological activities in plants are affected due to photoperiodism? Pigment formation Leave shedding Onset and breaking of bud dormancy Select the correct answer using the code given below.a)1 and 2 onlyb)2 and 3 onlyc)1 and 3 onlyd)1, 2 and 3Correct answer is option 'D'. Can you explain this answer?
    Question Description
    Photoperiodism is defined as the developmental responses of plants to the relative lengths of light and dark periods. Which of the following biological activities in plants are affected due to photoperiodism? Pigment formation Leave shedding Onset and breaking of bud dormancy Select the correct answer using the code given below.a)1 and 2 onlyb)2 and 3 onlyc)1 and 3 onlyd)1, 2 and 3Correct answer is option 'D'. Can you explain this answer? for UPSC 2024 is part of UPSC preparation. The Question and answers have been prepared according to the UPSC exam syllabus. Information about Photoperiodism is defined as the developmental responses of plants to the relative lengths of light and dark periods. Which of the following biological activities in plants are affected due to photoperiodism? Pigment formation Leave shedding Onset and breaking of bud dormancy Select the correct answer using the code given below.a)1 and 2 onlyb)2 and 3 onlyc)1 and 3 onlyd)1, 2 and 3Correct answer is option 'D'. Can you explain this answer? covers all topics & solutions for UPSC 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Photoperiodism is defined as the developmental responses of plants to the relative lengths of light and dark periods. Which of the following biological activities in plants are affected due to photoperiodism? Pigment formation Leave shedding Onset and breaking of bud dormancy Select the correct answer using the code given below.a)1 and 2 onlyb)2 and 3 onlyc)1 and 3 onlyd)1, 2 and 3Correct answer is option 'D'. Can you explain this answer?.
    Solutions for Photoperiodism is defined as the developmental responses of plants to the relative lengths of light and dark periods. Which of the following biological activities in plants are affected due to photoperiodism? Pigment formation Leave shedding Onset and breaking of bud dormancy Select the correct answer using the code given below.a)1 and 2 onlyb)2 and 3 onlyc)1 and 3 onlyd)1, 2 and 3Correct answer is option 'D'. Can you explain this answer? in English & in Hindi are available as part of our courses for UPSC. Download more important topics, notes, lectures and mock test series for UPSC Exam by signing up for free.
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