Bending of stem/coleoptile towards light or shoot of potted plant placed near a window is due to
(a) Greater oxygen availability to the tip
(b) More auxin content on the shaded side
(c) Greater light availability to tip
(d) Availability of necessary warmth to the tip

Options

A. Greater oxygen availability to the tip
B. More auxin content on the shaded side
C. Greater light availability to tip
D. Availability of necessary warmth to the tip.

Answer

B