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Plant Cell Culture problems


  • 1. What is meant by 'Organ culture'?

  • Options
  • A. Maintenance alive of a whole organ, after removal from the organism by partial immersion in a nutrient fluid
  • B. Introduction of a new organ in an animal body with a view to create genetic mutation in the progenies of that animal
  • C. Cultivation of organs in a laboratory through the synthesis of tissues
  • D. The aspects of culture in community which are mainly dedicated by the need of a specified organ of the human body
  • Discuss
  • 2. Organogenesis is

  • Options
  • A. formation of callus tissue
  • B. formation of root and shoots on callus tissue
  • C. both (a) and (b)
  • D. genesis of organs
  • Discuss
  • 3. A(n) __________ is an excised piece of leaf or stem tissue used in micropropagation.

  • Options
  • A. microshoot
  • B. medium
  • C. explant
  • D. scion
  • Discuss
  • 4. Which of the following is used in the culture of regenerating protoplasts, single cells or very dilute cell suspensions?

  • Options
  • A. Nurse medium
  • B. Nurse or feeder culture
  • C. Both (a) and (b)
  • D. None of these
  • Discuss
  • 5. Protoplasts are the cells devoid of

  • Options
  • A. cell membrane
  • B. cell wall
  • C. both cell wall and cell membrane
  • D. none of these
  • Discuss
  • 6. Which breeding method uses a chemical to strip the cell wall of plant cells of two sexually incompatible species?

  • Options
  • A. Mass selection
  • B. Protoplast fusion
  • C. Transformation
  • D. Transpiration
  • Discuss
  • 7. Cellular totipotency is the property of

  • Options
  • A. plants
  • B. animals
  • C. bacteria
  • D. all of these
  • Discuss
  • 8. The phenomenon of the reversion of mature cells to the meristematic state leading to the formation of callus is known as

  • Options
  • A. redifferentiation
  • B. dedifferentiation
  • C. either (a) or (b)
  • D. none of these
  • Discuss

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