Fruit and Vegetable Development
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Questions and Answers

What is the primary role of ethylene in fruit ripening?

  • To promote senescence in fruits and vegetables
  • To coordinate genes for complex reactions involved in ripening (correct)
  • To inhibit the production of new cells
  • To slow down the ripening process

    • How do climacteric fruits respond to increased ethylene concentration?

  • They produce more ethylene during respiration peak
  • They ripen significantly faster
  • They stop ripening altogether
  • They are less affected by ethylene concentration (correct)

    • What is the effect of supplementing ethylene on the ripening of non-climacteric fruits?

  • It has a minimal effect on the ripening peak
  • It has a significant influence on the ripening process (correct)
  • It has no effect on the ripening process
  • It slows down the ripening process

    • What is the purpose of using electric equipment instead of gas equipment in fruit harvesting?

    <p>To avoid excessive production of ethylene gas</p> Signup and view all the answers

    What is the characteristic of ethylene gas?

    <p>It has a faint, sweetish smell</p> Signup and view all the answers

    At what temperature range do ripening rooms typically operate?

    <p>18 to 25°C</p> Signup and view all the answers

    What is the term for the production of CO2 in a plant?

    <p>Respiration</p> Signup and view all the answers

    At which stage of fruit development does the respiration rate reach a peak?

    <p>Soon after harvest</p> Signup and view all the answers

    What is the term for the rapid increase in respiratory rate in fruits?

    <p>Climacteric</p> Signup and view all the answers

    What happens to the respiration rate per unit weight of a product as it matures?

    <p>It declines</p> Signup and view all the answers

    Why is it necessary to remove heat from fruits during transportation?

    <p>To prevent quality deterioration</p> Signup and view all the answers

    What is the classification of fruits based on their respiratory activity?

    <p>Climacteric and non-climacteric</p> Signup and view all the answers

    What is the stage of development that occurs after growth and before senescence?

    <p>Maturation</p> Signup and view all the answers

    What marks the completion of fruit development and the commencement of senescence?

    <p>Ripening</p> Signup and view all the answers

    What is the stage of development when a plant part will continue to develop even if detached?

    <p>Physiological maturity</p> Signup and view all the answers

    What is the stage of development when a plant part possesses the necessary characteristics for use by consumers?

    <p>Horticultural maturity</p> Signup and view all the answers

    What is the process that begins during the later stages of maturation and is the first stage of senescence?

    <p>Ripening</p> Signup and view all the answers

    What is the process where growth ceases and breakdown begins?

    <p>Senescence</p> Signup and view all the answers

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