logo

CuriousTab

CuriousTab

Discussion


Home Biotechnology Plant Cell Culture Comments

  • Question
  • 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

  • Correct Answer
  • formation of root and shoots on callus tissue 


  • Plant Cell Culture problems


    Search Results


    • 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. In a callus culture

    • Options
    • A. increasing level of cytokinin to a callus induces shoot formation and increasing level of auxin promote root formation
    • B. increasing level of auxin to a callus induces shoot formation and increasing level of cytokinin promote root formation
    • C. auxins and cytokinins are not required
    • D. only auxin is required for root and shoot formation
    • Discuss
    • 3. Agrobacterium based gene transfer is efficient

    • Options
    • A. only with dicots
    • B. only with monocots
    • C. with both monocots and dicots
    • D. with majority monocots and few dicots
    • Discuss
    • 4. What is/are the benefit(s) of micropropagation or clonal propagation?

    • Options
    • A. Rapid multiplication of superior clones
    • B. Multiplication of disease free plants
    • C. Multiplication of sexually derived sterile hybrids
    • D. All of the above
    • Discuss
    • 5. Subculturing is similar to propagation by cuttings because

    • Options
    • A. it separates multiple microshoots and places them in a medium
    • B. it uses scions to produce new microshoots
    • C. they both use in vitro growing conditions
    • D. all of the above
    • Discuss
    • 6. A(n) __________ is an excised piece of leaf or stem tissue used in micropropagation.

    • Options
    • A. microshoot
    • B. medium
    • C. explant
    • D. scion
    • Discuss
    • 7. 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
    • 8. 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
    • 9. 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
    • 10. Cellular totipotency is the property of

    • Options
    • A. plants
    • B. animals
    • C. bacteria
    • D. all of these
    • Discuss


    Comments

    There are no comments.

Enter a new Comment