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3 Written questions

3 Multiple choice questions

  1. -grains
    1) wheat (triticum)= most cultivated grain
    -durum wheat (pasta)
    -gluten (bread wheat)
    -carbs, fiber, protein
    2) corn (zea mays)= from central mexico
    -tassel (group of male flowers)
    -ear (group of female flowers)
    -silks (come from ear, are stigmas)
    -flour corn
    -dent corn (animal feed)
    -sweet corn (sugar, no starch)
    -hybrid corn (self-pollinated)
    3) rice (oryza sativa)= feeds more people than any other grain
    -planted on paddies (flooded fields)
    -brown rice= whole grain
    -rye= for bread
    -oats= has soluble fiber
    -barley= beer
  2. -stolons (stems)
    -tubers (storage tips of rhizome)
    -bulb (underground stems)
    -corm (underground stem)
    -storage tap roots
    -tuberous roots
  3. -bean family Fabaceae
    -herbaceous dicots
    -source of protein
    -flowers are irregular
    -nitrogen fixers
    ~mutualistic association with rhizobium bacteria, forms root nodules
    ~rhizobium fixes nitrogen from air and turns into ammonia
    ~plant gives rhizobium carbs

2 True/False questions

  1. starchy staples-endosperm= triploid
    -embryo= germ
    -bran= outer layers of old fruit wall, the seed coat, and aleurone layer (digests starch)


  2. grain parts-make up 25% of vegetation
    -Poaceae family
    -flower structure= inflorescence, perfect or imperfect
    -wind pollination