History of Rice Cultivation
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Questions and Answers

What is the function of the rice hull?

  • Provide protection for the rice caryopsis (correct)
  • Contribute to the color of the rice grain
  • Serve as the edible part of the rice
  • Contain the majority of the nutrients in the grain
  • Which part of the rice grain constitutes the bran portion?

  • Nucellus
  • Endosperm
  • Pericarp (correct)
  • Aleurone
  • Where did rice cultivation originate?

  • Europe
  • China
  • India and South-East Asia (correct)
  • Japan
  • Which country introduced rice to Europe around 400 BC?

    <p>Alexander the Great</p> Signup and view all the answers

    What percentage of the world's rice production takes place in eastern Asia?

    <p>90%</p> Signup and view all the answers

    What unique feature does rice have in terms of starch granules among cereals?

    <p>It is the only cereal with compound starch granules</p> Signup and view all the answers

    Which part of the rice kernel is particularly rich in cellulose, lignin, arabinoxylans, and minerals?

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

    What is the most nutritious part of the rice caryopsis?

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

    What happens when brown rice is further milled to get white rice?

    <p>The subaleurone layer is removed</p> Signup and view all the answers

    Which part of the rice kernel contains only slightly less protein and lipid but considerably more starch than the bran?

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

    Unmilled rice is also known as polished rice.

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

    The origin of rice culture can be traced back to Europe.

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

    The main part of the rice grain is the aleurone.

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

    Rice hull protects the grain from insect infestation but not fungal damage.

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

    The bran portion of the rice grain accounts for 5-8% of the white rice weight.

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

    White belly in some rice cultivars is caused by the presence of air spaces in the endosperm.

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

    Rice is the only cereal with spherical compound starch granules.

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

    The hull of the rice grain is rich in starch and fat but low in protein.

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

    The embryo of the rice kernel has a higher protein content than the bran.

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

    Milled (white) rice has the lowest carbohydrate content among all parts of the rice kernel.

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

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