In the cell walls of the guard cells, cellulose microfibrils are oriented

Options

(a) radially
(b) transversely
(c) tangentially
(d) obliquely

Correct Answer:

radially

Explanation:

The radial arrangement of cellulose microfibrils (radial micellation) in the guard cell wall plays a more important role in stomatal movements than the distribution of wall thickening.