Casparian thickenings occur in the cells of.

Pericycle of stem

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Endodermis of stem

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Pericycle of root

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Endodermis of root

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Solution

The correct option is B Endodermis of root
The ligno suberised thickenings present on the radial and tangential walls of the root endodermal cells are called Casparian bands or Casparian thickenings. Due to the presence of these thickenings, endodermis acts as a barrier for inflow of water and minerals and acts as a check point, prevents the outflow of water and minerals from the stele.
So, the correct option is 'Endodermis of the root'.

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Similar questions

Q. Casparian thickenings occur in the cells of _______.

Q. Casparian thickenings are found in the cells of

Q. Assertion :All the endodermal cells of the root do not contain Casparian thickenings. Reason: Passage cells are found in endodermis.

Q. Study the following table showing the components of water potential of four cells of an actively transpiring plant.

Cell	Solute potential (MPa)	Pressure potential (MPa)
A	- 0.68	0.42
B	- 0.75	0.36
C	- 0.83	0.47
D	- 0.57	0.29

Identify the four cells as root hair, cortical cell, endodermal cell (lacking Casparian strips) and pericycle cell respectively in the young root (assuming symplastic water flow through them).

Study the following table showing the components of water potential of four cells of an actively transpiring plant.
$\begin{matrix} C e l l & S o l u t e p o t e n t i a l & P r e s s u r e p o t e n t i a l (M P a) & (M P a) A & - 0.68 & 0.42 B & - 0.75 & 0.36 C & - 0.83 & 0.47 D & - 0.57 & 0.29 \end{matrix}$
Identify the four cells as root hair, cortical cell, endodermal cell (lacking casparian strips) and pericycle cell respectively in the young root (assuming symplastic water flow through them).

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