Jicama (Pachyrhizus erosus) Overview
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Questions and Answers

What type of plant is jicama classified as?

  • Annual crop
  • Woody shrub
  • Herbaceous vine (correct)
  • Perennial tree
  • Which part of the jicama plant is primarily harvested for food?

  • Tuberous root (correct)
  • Stems
  • Flowers
  • Leaves
  • What process is used to prepare jicama for consumption?

  • Boiling the roots
  • Cooking in oil
  • Drying the tubers
  • Peeling the skin (correct)
  • In which of the following regions is jicama most widely grown?

    <p>Central America and South America</p> Signup and view all the answers

    How does jicama's life cycle classification as a perennial affect its growth?

    <p>It dies off every winter and grows back in spring.</p> Signup and view all the answers

    What type of plant is Jatropha curcas classified as?

    <p>Woody perennial tree</p> Signup and view all the answers

    For what economic purpose is Jatropha curcas primarily cultivated?

    <p>Biodiesel production</p> Signup and view all the answers

    Which step in the oil extraction process involves reducing moisture content in the seeds?

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

    What is the first step in the oil extraction process from Jatropha seeds?

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

    Which process follows the crushing of Jatropha seeds during oil extraction?

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

    What family does the myrrh plant belong to?

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

    Which step involves creating incisions on the myrrh tree's bark?

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

    After the resin is collected, what is the next step in the process?

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

    What is done to the resin after grading?

    <p>It is ground into a fine powder.</p> Signup and view all the answers

    What form does the resin take after it dries?

    <p>Hardened 'tears'</p> Signup and view all the answers

    Which of the following correctly distinguishes true roots from underground stems?

    <p>True roots primarily function in the absorption and conduction of nutrients.</p> Signup and view all the answers

    What is the primary function of economically important taproots like carrots and turnips?

    <p>To store carbohydrates.</p> Signup and view all the answers

    Which vegetable part is primarily harvested from green vegetable crops?

    <p>Leaves.</p> Signup and view all the answers

    Which of the following statements is true regarding the Allium genus?

    <p>Allium species release sulfur compounds that can irritate the eyes.</p> Signup and view all the answers

    Which part of the potato plant is considered a tuber?

    <p>The underground stem tip.</p> Signup and view all the answers

    What contributed to the potato famine in Ireland during the mid-19th century?

    <p>Low genetic variation in the crop</p> Signup and view all the answers

    Which of the following characteristics distinguishes sweet potatoes from true yams?

    <p>True yams are rarely found in grocery stores in North America</p> Signup and view all the answers

    Which plant family do beets and sugar beets belong to?

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

    What process must be done to cassava before it can be safely consumed?

    <p>Boiling to remove poisonous compounds</p> Signup and view all the answers

    What is the primary purpose of fermenting grape juice in winemaking?

    <p>To break down sugars into alcohol and carbon dioxide</p> Signup and view all the answers

    Which species of grape is primarily used for wine production?

    <p>Vitis vinifera</p> Signup and view all the answers

    What is a common method used in modern viticulture to manage grape production?

    <p>Grafting European varieties onto North American rootstock</p> Signup and view all the answers

    How are red wines typically produced compared to white wines?

    <p>Red wine includes fermentation with grape skins.</p> Signup and view all the answers

    What is the fermentation yeast mainly used in winemaking?

    <p>Saccharomyces ellipsoides</p> Signup and view all the answers

    What is the primary purpose of the pressing stage in winemaking?

    <p>To extract remaining liquid from crushed grapes</p> Signup and view all the answers

    Which of the following wine classifications in France is specifically for table wines intended for local consumption?

    <p>Vin de Table</p> Signup and view all the answers

    What is the primary grape variety used in the production of Champagne?

    <p>Pinot Noir</p> Signup and view all the answers

    Which term represents the highest quality wine classification in Italy?

    <p>Denominazione di Origine Controllata e Garantita</p> Signup and view all the answers

    What characteristic of German wines sets them apart from many wines from other countries?

    <p>Tendency to be sweeter and lower in alcohol</p> Signup and view all the answers

    What sugar content does the grape must for Qualitatswein mit Prädikat (QmP) require at a minimum?

    <p>9.5%</p> Signup and view all the answers

    What is a defining characteristic of the production process for port wine?

    <p>Brandy is added to halt fermentation early, preserving residual sugar.</p> Signup and view all the answers

    Which classification includes wines produced from the ripest, selectively picked bunches of grapes in Germany?

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

    What is the primary benefit of the solera system used in sherry production?

    <p>It ensures consistent quality by blending different ages of wine.</p> Signup and view all the answers

    Which drug derived from the opium poppy is known for its high addictive potential and effectiveness as a painkiller?

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

    What is a common household use for codeine, a compound derived from the opium poppy?

    <p>Headache pain relief</p> Signup and view all the answers

    What medicinal application do tropane alkaloids effectively treat?

    <p>Central nervous system ailments</p> Signup and view all the answers

    What effect do tropane alkaloids have on the pupil during moderate doses?

    <p>Dilate the pupil</p> Signup and view all the answers

    What role did early societies believe the appearance of plants played in their medicinal properties?

    <p>The shape and color of plants indicated their healing abilities.</p> Signup and view all the answers

    Which pharmaceutical agents have been provided by plants for thousands of years?

    <p>Hormones and antibiotics</p> Signup and view all the answers

    What percentage of modern Western medicines are derived from plant chemicals?

    <p>25-30%</p> Signup and view all the answers

    Which of the following plants has been used for over 5,000 years in Chinese medicine to treat asthma?

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

    Why are some medically active chemicals still obtained from plants rather than synthesized in labs?

    <p>They are too complex and expensive to produce synthetically.</p> Signup and view all the answers

    What was the estimated global trade amount in medicinal plants in 2002?

    <p>$30 billion USD</p> Signup and view all the answers

    Which traditional herbal text was compiled in early societies to document medicinal plants?

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

    Which plant's bark was originally used to derive salicylic acid, a key ingredient in aspirin?

    <p>Willow bark</p> Signup and view all the answers

    What is the primary function of secondary products in plants?

    <p>To serve as defenses against herbivores</p> Signup and view all the answers

    Which of the following is NOT a group of secondary products with medical significance?

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

    Which compound derived from the foxglove plant is used to strengthen and steady the heartbeat?

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

    What medicinal use is associated with Ephedrine?

    <p>Alleviating cough and cold symptoms</p> Signup and view all the answers

    Which of the following alkaloids is used as a muscle relaxant in modern surgery?

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

    What role does quinine serve as a medicinal agent?

    <p>Anti-malarial</p> Signup and view all the answers

    Which substance derived from the coca plant was historically used as a local anesthetic?

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

    What important effect is observed in ginseng root?

    <p>Improving physical performance under stress</p> Signup and view all the answers

    Which of these plants provides alkaloids for treating cancers like leukemia?

    <p>Madagascar periwinkle</p> Signup and view all the answers

    Which plant is known for producing the important natural laxative senna?

    <p>Senna angustifolia</p> Signup and view all the answers

    Which compound is primarily derived from yams for hormone production?

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

    What is the origin of the alkaloid used for treating glaucoma derived from the calabar bean?

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

    Which of the following medicinal plants has been used for at least 5,000 years in traditional medicine?

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

    Which alkaloid from the Indian snakeroot root has been effective in treating hypertension?

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

    Study Notes

    Jicama (Pachyrhizus erosus)

    • Botanical Family: Fabaceae (pea family)
    • Plant Type: Herbaceous vine
    • Lifespan: Perennial (lives longer than 2 years)
    • Native Distribution: Mexico and Central America
    • Domestication: First domesticated in Mexico, archaeological sites in Peru date back to 3000 BC.
    • Widely Grown Regions: Central America and Southeast Asia
    • Introduction to Southeast Asia: Introduced by the Spanish in the 17th century.
    • Modern Popularity: Popular in countries like the Philippines, China, and other parts of the region.
    • Used Part: Tuberous root
    • Processing:
      • Harvesting: Harvested from the ground
      • Peeling: Thin, brown skin peeled off
      • Cutting: Cut into sticks, cubes, or slices, depending on use.
    • Consumption: Eaten raw in salads, salsas, or as a snack. Can be cooked in stir-fries, soups, and stews, retaining its crisp texture.

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    Description

    Discover the fascinating characteristics of jicama, a herbaceous vine native to Mexico and Central America. This perennial plant is known for its edible tuberous root, widely consumed in various culinary dishes across Southeast Asia and beyond. Learn about its history, processing methods, and popular uses in salads, snacks, and stir-fries.

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