Rice Breeding Objectives and Procedures Quiz
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Questions and Answers

What is the chromosome number of Rice (Oryza sativa)?

  • 48
  • 24 (correct)
  • 12
  • 36

    • Where is Rice (Oryza sativa) cultivated?

  • From 60N to 60S latitudes
  • From 80N to 35 0N latitudes (correct)
  • From 20S to 60S latitudes
  • From 40N to 40S latitudes

    • Which species of rice is a staple food for above 60% of the world's population?

  • Oryza nivara
  • Oryza glaberrima
  • Oryza sativa (correct)
  • Oryza rufipogon

    • What is the likely demand of rice by 2050?

    <p>197 million tons</p> Signup and view all the answers

    Which wild species is believed to be the common ancestor for both cultivated species of rice?

    <p>O. perennis</p> Signup and view all the answers

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