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NEET UG BIOLOGY MCQ: TRANSPORT IN PLANTS
1
Medium
1 of 1
Analyzing
+4 | -1
Assertion: Unidirectional flow of water, mineral
and nitrogen occurs through xylem.
Reason: Direction of flow of organic and
inorganic substances is unidirectional and
occurs through phloem.
and nitrogen occurs through xylem.
Reason: Direction of flow of organic and
inorganic substances is unidirectional and
occurs through phloem.
View answer and explanation
Correct option: C
If Assertion is true but Reason is false
Option C (If Assertion is true but Reason is false) is correct because water, minerals, and nitrogen flow unidirectionally through xylem, but the flow of organic and inorganic substances through phloem can be bidirectional.
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Study the following statement and choose the correct option(s) from the codes from below
I. Root pressure provides a light push in the overall process of water transport
II. Root pressure causes the flow of water faster through xylem than it can be lost by transportation
III. In symplast pathway, water move exclusively through the cell wall and intercellular spaces
IV. Guttation is a cause of transpiration pull
V. Most plants fulfill their water requirement by transpiration pull Rate of imbibition is more in?
I. Root pressure provides a light push in the overall process of water transport
II. Root pressure causes the flow of water faster through xylem than it can be lost by transportation
III. In symplast pathway, water move exclusively through the cell wall and intercellular spaces
IV. Guttation is a cause of transpiration pull
V. Most plants fulfill their water requirement by transpiration pull Rate of imbibition is more in?