Movement of stomatal opening and closing and opening of Oxalis flower share the common feature that both are
Options
(a) photonastic
(b) thigmonastic
(c) seismonastic
(d) thermonastic
Correct Answer:
photonastic
Explanation:
Photonastic movement is a nastic movement (due to external stimuli) in response to change in light intensity, e.g. Stomatal opening and closing, the opening and closing of flowers.