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The loading of xylem and phloem is bidirectional in plants.

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Important Questions on Transport in Plants

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Biology>Plant Physiology>Transport in Plants>Uptake and Translocation of Mineral Nutrients
Which of the following criteria does not pertain to facilitated transport?
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Biology>Plant Physiology>Transport in Plants>Uptake and Translocation of Mineral Nutrients
Element not readily mobilised is
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Biology>Plant Physiology>Transport in Plants>Uptake and Translocation of Mineral Nutrients
Translocation of organic materials in plants is explained by
EASY
Biology>Plant Physiology>Transport in Plants>Uptake and Translocation of Mineral Nutrients
When a plant undergoes senescence, the nutrients may be
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Biology>Plant Physiology>Transport in Plants>Uptake and Translocation of Mineral Nutrients
Inorganic nutrients are found in the soil in the form of
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Biology>Plant Physiology>Transport in Plants>Uptake and Translocation of Mineral Nutrients
Chief sink of mineral elements is
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Biology>Plant Physiology>Transport in Plants>Uptake and Translocation of Mineral Nutrients
In young seedling, _________ acts as a sink end.
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Biology>Plant Physiology>Transport in Plants>Uptake and Translocation of Mineral Nutrients
“There is no translocation at low temperature” has been invented by
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Biology>Plant Physiology>Transport in Plants>Uptake and Translocation of Mineral Nutrients

Read the following statements and state as true (T) or false (F):

A. Older dying leaves export much of their mineral content to younger leaves.

B. Structural component like calcium is remobilized.

C. Some of the nitrogen is carried through xylem in the organic form as amino acids and related compounds.

D. Small amount of exchange of materials takes place between xylem and phloem.

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Biology>Plant Physiology>Transport in Plants>Uptake and Translocation of Mineral Nutrients
Long-distance transport of substances through the vascular tissue in plants is called
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Biology>Plant Physiology>Transport in Plants>Uptake and Translocation of Mineral Nutrients
Which of the following elements are most readily mobilised?
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Biology>Plant Physiology>Transport in Plants>Uptake and Translocation of Mineral Nutrients
Which of the following statements is correct?
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Biology>Plant Physiology>Transport in Plants>Uptake and Translocation of Mineral Nutrients
Ions from the soil reach the xylem of roots through
EASY
Biology>Plant Physiology>Transport in Plants>Uptake and Translocation of Mineral Nutrients
When a plant undergoes senescence, the nutrients may be
MEDIUM
Biology>Plant Physiology>Transport in Plants>Uptake and Translocation of Mineral Nutrients
Which of the following is correct regarding mineral ions absorption in plants?
EASY
Biology>Plant Physiology>Transport in Plants>Uptake and Translocation of Mineral Nutrients
Which of the following is/are the best reason why all minerals cannot be passively absorbed by roots?
EASY
Biology>Plant Physiology>Transport in Plants>Uptake and Translocation of Mineral Nutrients
Uptake of most of the minerals by root is
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Biology>Plant Physiology>Transport in Plants>Uptake and Translocation of Mineral Nutrients
That the cell membrane is selectively permeable can be best deduced by
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Biology>Plant Physiology>Transport in Plants>Uptake and Translocation of Mineral Nutrients
The bulk movement of substances through the conducting or vascular tissues of the plant is called:
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Biology>Plant Physiology>Transport in Plants>Uptake and Translocation of Mineral Nutrients
Concentration of minerals in the soil is usually ________ than the concentration of minerals in the root.