Passage cells are thin walled cells found in

Options

(a) phloem elements that serve as entry points for substance for transport ot other plant parts
(b) testa of seeds to enable emergence of growing embryonic axis during seed germination
(c) central region of style through which the pollen tube grows towards the ovary
(d) endodermis of roots facilitating rapid transport of water from cortex to pericycle

Correct Answer:

endodermis of roots facilitating rapid transport of water from cortex to pericycle

Explanation:

The innermost leyer of the cortex is called endodermis. It comprises a single layer of barrel shaped cells without any intercellular spaces. In roots thick walled endodermal cells are interrupted by thin walled passage cells or transfusion tissue