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The graph shown in the picture represents a growth curve in which fastest phase is the log phase.

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Important Questions on Plant Growth and Development

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Biology>Plant Physiology>Plant Growth and Development>Plant Growth
Write the types of induced plant movements by an external and directional stimulus with example.
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Biology>Plant Physiology>Plant Growth and Development>Plant Growth
Typical growth curve in plants is:
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Biology>Plant Physiology>Plant Growth and Development>Plant Growth
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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Biology>Plant Physiology>Plant Growth and Development>Plant Growth
The process of growth is maximum during
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Formation of interfascicular cambium and cork cambium from parenchyma is phenomenon of
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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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Biology>Plant Physiology>Plant Growth and Development>Plant Growth
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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Biology>Plant Physiology>Plant Growth and Development>Plant Growth
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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Biology>Plant Physiology>Plant Growth and Development>Plant Growth
Which among the following is not dedifferentiated?
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Biology>Plant Physiology>Plant Growth and Development>Plant Growth
Identify the exponential growth expression among the following.
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Name ‘phytochrome’ was given by
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Which of the following instrument can be used to record plant growth by seconds i.e., fraction of a minute?
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Biology>Plant Physiology>Plant Growth and Development>Plant Growth
A representative species has stomata of 4 μm wideness and 26 μm length in
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Osmosis is the property of
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Biology>Plant Physiology>Plant Growth and Development>Plant Growth
Among different phases of plant growth, the lag phase is
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Biology>Plant Physiology>Plant Growth and Development>Plant Growth
Guard cells differ from epidermal cells in having
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Biology>Plant Physiology>Plant Growth and Development>Plant Growth
When food supply is poor, the rate of growth is:
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Biology>Plant Physiology>Plant Growth and Development>Plant Growth
The effect of oxygen supply on growth is
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Biology>Plant Physiology>Plant Growth and Development>Plant Growth
Which of the following is the importance of water to plant life?
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Biology>Plant Physiology>Plant Growth and Development>Plant Growth
Guttation usually occurs when the plant is put