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Typical growth curve in plants is

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Important Questions on Plant Growth and Development

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Plants follow different pathways in response to environment or phases of life to form different kinds of structures. This ability is called:
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 In the following diagrammatic representation showing stages of embryonic development, identify the type of growth phase labelled as M and N:

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When a plant species is grown in shade tends to produce thinner leaves with more surface area, and when grown under abundant sunlight starts producing thicker leaves with reduced surface area. This phenomenon is an example of
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Which one of the following plants does not show plasticity?
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Identify the exponential growth expression among the following.
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Choose the correct statements.
(A) Assyrians recorded information of crop plants in the picture form.
(B) Nehemiah Grew studied the anatomy of plant tissue.
(C) Bouskein refers to cattle.
(D) Application of physical and chemical principles developed new branches of Botany like genetics.
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In tissue culture experiments, leaf mesophyll cells are put in a culture medium to form callus. This phenomenon may be called as:
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The orientation to light of a non-motile organism or part of its body is called:
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Formation of interfascicular cambium and cork cambium from parenchyma is phenomenon of
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Name for the given phenomena events that occur during the growth of the plant
A) Production of tissues in woody dicotyledonous plants to perform specific function
B) Heterophylly at different stages of growth
C) Formation of meristems from parenchyma cells
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Match the plant hormones in Column I with their primary function in Column II.

Column I Column II
P. Abscisic acid i. Promotes disease resistance
Q. Ethylene ii. Maintains seed dormancy
R. Cytokinin iii. Promotes seed germination
S. Gibberellins iv. Promotes fruit ripening
  v. Inhibits leaf senescence

Choose the correct combination:

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The process of growth is maximum during
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Write the types of induced plant movements by an external and directional stimulus with example.
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Within the exponential phase of growth, if the initial surface area and the growth rate of a leaf are 10 mm2 and 0.015 mm2/hour  respectively, the area of the leaf after 4 days would range from
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Which among the following is not dedifferentiated?
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In water logged soil, plants generally are killed because of
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Which plant is used for demonstrating plasmolysis in the laboratory?
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Which of the following plant absorb water from atmosphere