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What is a flowering stimulus in plants? (Florigen/Ethylene/ Abscisic acid)

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Important Questions on Plant Growth and Mineral Nutrition

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Biology>Physiology>Plant Growth and Mineral Nutrition>Plant Growth
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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Biology>Physiology>Plant Growth and Mineral Nutrition>Plant Growth
Typical growth curve in plants is:
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Biology>Physiology>Plant Growth and Mineral Nutrition>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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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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Formation of interfascicular cambium and cork cambium from parenchyma is phenomenon of
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Which one of the following plants does not show plasticity?
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Biology>Physiology>Plant Growth and Mineral Nutrition>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>Physiology>Plant Growth and Mineral Nutrition>Plant Growth
Write the types of induced plant movements by an external and directional stimulus with example.
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Biology>Physiology>Plant Growth and Mineral Nutrition>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>Physiology>Plant Growth and Mineral Nutrition>Plant Growth

 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>Physiology>Plant Growth and Mineral Nutrition>Plant Growth
The process of growth is maximum during
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Biology>Physiology>Plant Growth and Mineral Nutrition>Plant Growth
Which among the following is not dedifferentiated?
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Identify the exponential growth expression among the following.
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Biology>Physiology>Plant Growth and Mineral Nutrition>Plant Growth
Which of the following instrument can be used to record plant growth by seconds i.e., fraction of a minute?
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A representative species has stomata of 4 μm wideness and 26 μm length in
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Name ‘phytochrome’ was given by
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Among different phases of plant growth, the lag phase is
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Osmosis is the property of
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Biology>Physiology>Plant Growth and Mineral Nutrition>Plant Growth
Guard cells differ from epidermal cells in having
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Biology>Physiology>Plant Growth and Mineral Nutrition>Plant Growth
When food supply is poor, the rate of growth is: