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Plant Growth and Development Test - 1

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Plant Growth and Development Test - 1
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Weekly Quiz Competition
  • Question 1
    1 / -0

    Auxins are generally produced in

    Solution

    Auxins promote stem elongation, inhibit growth of lateral buds (maintains apical dominance). They are produced in the stem, buds, and root tips.

    Example: Indole Acetic Acid (IA).

    Auxin is a plant hormone produced in the stem tip that promotes cell elongation

  • Question 2
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    All changes that an organism goes through during its life cycle is called as

    Solution

    Development is a term that includes all changes that an organism goes through during its life cycle from germination of the seed to senescence.

  • Question 3
    1 / -0

    Which growth is also called apparent growth?

    Solution

    Irreversible increase in mass or volume of plant part is called apparent growth. Apparent growth is permanent and cannot be reversed back as it occurs due to increase in cell number.

  • Question 4
    1 / -0

    What are morphactins?

  • Question 5
    1 / -0

    Measurement and the comparison of total growth per unit time is called

  • Question 6
    1 / -0

    With which of the following is Richmond Lang effect associated?

  • Question 7
    1 / -0

    The differentiated cells have lost the capacity to divide can regain the capacity of division under certain conditions called as

    Solution

    The living differentiated cells that have lost the capacity to divide can regain the capacity of division under certain conditions. This phenomenon is termed as dedifferentiation.

  • Question 8
    1 / -0

    Which of the following statements are correct/incorrect?
    a. The origin of parts or organs and the gross form of the plant is called morphogenesis.
    b. The annual plants show unlimited growth.
    c. Growth regulators are organic substances synthesised in the plant parts.
    d. The pattern of growth is sigmoid in plants or plant parts.

  • Question 9
    1 / -0

    How does pruning of plants promote branching?

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