NEET BIOLOGY

PLANT PHYSIOLOGY

TRANSPORT IN PLANT

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which of the following is not a component of the symplast?
A
cortex
B
Endodermal cells
C
Plasmodesmata
D
Xylem
Explanation: 

Detailed explanation-1: -Symplast does not involve intercellular spaces and cell wall. In this, water moves from epidermis to the xylem passing through cortex, endodermis and pericycle.

Detailed explanation-2: -Companion cells are not a constituent of Xylem. Companion cell are type of cell found within the Phloem of flowering plants. They are not found in Xylem.

Detailed explanation-3: -Water moving in and out of the xylem, which is a part of apoplast, can thereby be regulated since it must enter the symplast in the endodermis.

Detailed explanation-4: -So, the correct answer is ‘Medullary rays.

There is 1 question to complete.