The following statements refer to the movement of water from the cortex of the root into the xylem.Which of the following statements is / are true?Statement 1:Most of the water moves across the root cortex by the apoplast pathway.Statement 2:At the endodermis water has to enter the symplast pathway.Statement 3:Casparian strips in the endodermis contain the chemical lignin.

TRANSPORT IN PLANTS

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Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]

A	1, 2, and 3
B	Only 1 and 2
C	Only 2 and 3
D	Only 1

Explanation:

Detailed explanation-1: -Symplast is the movement of water in root cortex via protoplasm. As the endodermis of root has casparian thickening due to which water is unable to enter in the cell cytoplasm. hence, it follows apoplast pathway while moving from cortex to xylem.

Detailed explanation-2: -Water moves from soil to root hair cell and then to cortical cell. It then passes through passage cells, pericycle and xylem.

Detailed explanation-3: -Water moves through the root hairs of the epidermal cells through the cortex, including the endodermis, before entering the outermost layer of the vascular cylinder, the pericycle. the vascular cylinder (stele). Water ultimately enters the conducting cells of the xylem.

There is 1 question to complete.