(B) The endodermis of the root contains a band of Casparian strip composed of suberin,which blocks the apoplastic pathway by making the cell walls imp

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(B) The endodermis of the root contains a band of Casparian strip composed of suberin,which blocks the apoplastic pathway by making the cell walls impermeable to water and solutes. It acts as a control point or barrier,ensuring that every molecule must pass through the living plasma membrane,which is selectively permeable,before reaching the xylem.

Class 11 Biology Transport in Plants Uptake and Transport of Mineral Nutrients

Medium

Transport proteins of ........................ are control points,where a plant adjusts the quantity and types of solutes that reach the xylem.

A
Hypodermis
B
Endodermis
C
Pith
D
Pericycle

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Class 11 Questions

Class 11

Biology Questions

Chapter

Transport in Plants

Subtopic

Uptake and Transport of Mineral Nutrients

Which of the following statements is true about the passive uptake of ions?

Medium

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$A$: Influx of ions into the inner space of cells is an active process.
$R$: Ions are available for free exchange in the free space.

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What essential role does the root endodermis play during mineral absorption in plants?

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Some statements are given regarding active transport in plants. Choose the incorrect statement.

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Transport of minerals through xylem is

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Transport proteins of ........................ are control points,where a plant adjusts the quantity and types of solutes that reach the xylem.

Similar Questions

Which of the following statements is true about the passive uptake of ions?

$A$: Influx of ions into the inner space of cells is an active process.$R$: Ions are available for free exchange in the free space.

What essential role does the root endodermis play during mineral absorption in plants?

Some statements are given regarding active transport in plants. Choose the incorrect statement.

Transport of minerals through xylem is

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$A$: Influx of ions into the inner space of cells is an active process.
$R$: Ions are available for free exchange in the free space.