Principles of Vegetable Crops Production Lecture 1
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Questions and Answers

Which province is mentioned as having the most concentration of vegetable production compared to upper Egypt?

  • Sharkia
  • Behira (correct)
  • Giza
  • Monoufia
  • What percentage of the total area planted do the 10 main vegetables mentioned represent?

  • 60%
  • 70%
  • 90%
  • 80% (correct)
  • Which vegetable is listed as an example of a source of carbohydrates?

  • Cucumber
  • Watermelon
  • Squash
  • Sweet potato (correct)
  • What compounds are mentioned as important traditional and non-traditional compounds found in vegetables?

    <p>Fibers and Inulin (B)</p> Signup and view all the answers

    In terms of production purposes, what is one of the uses mentioned for vegetables?

    <p>Seed production (D)</p> Signup and view all the answers

    What is the botanical production value percentage that vegetables represent?

    <p>12% (B)</p> Signup and view all the answers

    Why are vegetables considered important from a medicinal and nutritive view?

    <p>They contain more proteins than cereal crops. (D)</p> Signup and view all the answers

    Which nutrient is found in vegetables like carrot and pumpkin?

    <p>Vitamin A (D)</p> Signup and view all the answers

    What is the benefit of fibers found in vegetables?

    <p>Reducing chances of constipation (D)</p> Signup and view all the answers

    What is the role of volatile oils found in certain vegetables like celery?

    <p>Provide a special scent and flavor (B)</p> Signup and view all the answers

    How do non-traditional nutrients in vegetables benefit individuals on a diabetic diet?

    <p>Regulate blood sugar levels (A)</p> Signup and view all the answers

    What distinguishes vegetables from traditional sources of nutrients like meat, milk, and eggs?

    <p>Alkaline effect (C)</p> Signup and view all the answers

    What is the main focus of vegetable science?

    <p>Study of vegetable crops (D)</p> Signup and view all the answers

    Which of the following is NOT a characteristic of vegetable plants as mentioned in the text?

    <p>Mainly perennial (B)</p> Signup and view all the answers

    In vegetable plants, which parts are generally edible according to the text?

    <p>Seeds, roots, stems, leaves, and fruits (D)</p> Signup and view all the answers

    What did Russian scientist Vavilov identify regarding plants' origin?

    <p>Main centers of plant origin (A)</p> Signup and view all the answers

    What is the significance of the origin of vegetables?

    <p>Understanding the natural propagation of vegetable plants (B)</p> Signup and view all the answers

    Which one of the following is NOT listed as an edible part of vegetable plants in the text?

    <p>Buds (A)</p> Signup and view all the answers

    Which compounds found in vegetables provide protection against diseases like Cancer?

    <p>Phytochemicals (C)</p> Signup and view all the answers

    Which toxic compound is found in Spinach?

    <p>Oxalate (A)</p> Signup and view all the answers

    In which vegetables can Cyanoglycosides be found?

    <p>Green beans and Lima beans (C)</p> Signup and view all the answers

    Which factors determine the characteristics and productivity of a vegetable crop?

    <p>All of the above (D)</p> Signup and view all the answers

    How do temperature variations affect vegetable crops?

    <p>Temperature affects the absorption of water, nutrients, and minerals (C)</p> Signup and view all the answers

    What role do Tannins, Phenols, and Terpenoids play in plants?

    <p>Provide protection against diseases (D)</p> Signup and view all the answers

    What is the general trend of germination percentage as temperature increases according to the text?

    <p>Increases until the optimum temperature, then decreases (B)</p> Signup and view all the answers

    Which vegetable seeds do not germinate above 40°C based on the text?

    <p>Lettuce, Peas, Spinach (C)</p> Signup and view all the answers

    What is the optimum temperature range for carrots according to the text?

    <p>(15-20°C) (B)</p> Signup and view all the answers

    Which vegetables require relatively high temperatures and a long light period in early growth according to the text?

    <p>Potatoes, Sweet Potatoes (C)</p> Signup and view all the answers

    What is the purpose of requiring relatively low temperature and short-day light in the second growth stage for potatoes according to the text?

    <p>To transform carbohydrates formed in leaves to tubers (C)</p> Signup and view all the answers

    What effect does temperature have on the roots of carrots according to the text?

    <p>Affects shape, size, color, and sugar ratios (D)</p> Signup and view all the answers

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