Rice Varieties and Growing Conditions
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Questions and Answers

Which type of rice is specifically bred for adaptability to lowland conditions?

  • Lowland rice (correct)
  • Azucena rice
  • Highland rice
  • Upland rice

Where is lowland rice commonly grown due to abundant water resources?

  • North America
  • South America
  • Sub-Saharan Africa
  • Southeast Asia (correct)

What type of areas are suitable for the cultivation of upland or highland rice?

  • Flooded areas
  • Non-flooded or upland areas (correct)
  • Coastal regions
  • Areas with abundant water resources

What is a distinguishing characteristic of upland or highland rice varieties?

<p>Reliance on natural rainfall or limited irrigation (D)</p> Signup and view all the answers

Which rice varieties are adapted to drier conditions and better utilize available water?

<p>Azucena, Palawan, and Dinalaga (C)</p> Signup and view all the answers

Why does upland rice cultivation not rely on continuous flooding?

<p>Because the areas generally have less water availability (C)</p> Signup and view all the answers

What part of the wheat kernel contains the greatest share of protein, carbohydrates, and iron?

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

What is the primary nutritional benefit of consuming whole wheat products?

<p>High fiber content (A)</p> Signup and view all the answers

In rice cultivation, which type of environment requires fields to be flooded or saturated with water throughout the growing season?

<p>Lowland rice (B)</p> Signup and view all the answers

Which of the following is NOT an example of a lowland rice variety?

<p>C4 (D)</p> Signup and view all the answers

Upland or highland rice cultivation relies primarily on:

<p>Natural rainfall or limited irrigation (B)</p> Signup and view all the answers

Which rice varieties are specifically bred to withstand submergence and resist diseases and pests?

<p>IR 20, IR 26, IR 28 (A)</p> Signup and view all the answers

What is the defining characteristic of lowland rice cultivation?

<p>Flooded or saturated fields (C)</p> Signup and view all the answers

Which of the following is NOT an example of a lowland rice variety based on the text?

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

What type of environments are ideal for lowland rice cultivation?

<p>Areas with controlled water availability (B)</p> Signup and view all the answers

How does lowland rice cultivation differ from upland rice cultivation?

<p>Lowland rice has controlled water availability (D)</p> Signup and view all the answers

What allows for optimal growth and development of rice plants in lowland rice cultivation?

<p>Flooded or saturated fields (A)</p> Signup and view all the answers

Which of the following is a key reason why different varieties of rice have been developed?

<p>To cater to specific ecosystem requirements (D)</p> Signup and view all the answers

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