Transport in Plants Question 37
37. Stomatal movement is not affected by [2018]
(a) Temperature
(b) Light
(c) $CO_2$ concentration (
(d) $O_2$ concentration
Show Answer
Answer : d
Hints & Solutions
(d) Light, temperature and concentration of $CO_2$ affect opening and closing of stomata. They are not affected by $O_2$ concentration.