Browse Questions

Assertion (A) : Application of cytokinins causes the opening of stomata  Reason (R) : cytokinins induce the influx of potassium ions into guard cells.

(1) Both (A) and (R) are true but (R) is not the correct explanation of (A)

(2) (A) is true but (R) is false

(3) (A) is false but (R) is true

(4) Both (A) and (R) are true and (R) is the correct explanation of (A)

(4) Both (A) and (R) are true and (R) is the correct explanation of (A)