AP BIOLOGY

PLANTS

TRANSPORT IN PLANTS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which of the following shows the correct order of water pathways in a plant?
A
root > cortex > leaf > xylem
B
cortex > root > xylem > leaf
C
root > cortex > xylem > leaf
Explanation: 

Detailed explanation-1: -The water first enters the protoxylem and then into the metaxylem. From xylem, the water moves up and reaches the other plant parts.

Detailed explanation-2: -1-Water is passively transported into the roots and then into the xylem. 2-The forces of cohesion and adhesion cause the water molecules to form a column in the xylem. 3-Water moves from the xylem into the mesophyll cells, evaporates from their surfaces and leaves the plant by diffusion through the stomata.

Detailed explanation-3: -So the correct option is ‘Epidemic-Cortex-Pericycle-endodermis-phloem’.

Detailed explanation-4: -Soil

There is 1 question to complete.