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NEET-UG Biology

Differentiation, dedifferentiation and redifferentiation — practice questions

5 questions in the bank on this idea. Below are 5 of them, exactly as they appear in a test.

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  1. Question 1 · difficulty L1 · recall

    What is differentiation in plant development?

    • A. Cells acquire specialised functions
    • B. Mature cells regain the ability to divide
    • C. Cells lose their genetic information
    • D. Only cell size changes

  2. Question 2 · difficulty L2 · understanding

    Which process occurs when mature living plant cells regain the capacity to divide?

    • A. Redifferentiation
    • B. Dedifferentiation
    • C. Senescence
    • D. Abscission

  3. Question 3 · difficulty L3 · understanding

    Formation of interfascicular cambium from fully developed parenchyma cells is an example for

    • A. Differentiation
    • B. Redifferentiation
    • C. Dedifferentiation
    • D. Maturation

  4. Question 4 · difficulty L3 · application

    Cells produced by a newly formed cambium later become specialised and lose the ability to divide. Which process is occurring?

    • A. Dormancy
    • B. Dedifferentiation
    • C. Redifferentiation
    • D. Photoperiodism

  5. Question 5 · difficulty L5 · analysis

    A mature parenchyma cell becomes meristematic and later gives rise to a specialised vascular cell. Which sequence describes these changes?

    • A. Senescence then abscission
    • B. Redifferentiation then dedifferentiation
    • C. Differentiation then dormancy
    • D. Dedifferentiation then redifferentiation

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