Question : Assertion : According to Scarth, opening and closure of stomata is controlled by pH value.Reason : Low pH value favours opening of stomata and higher pH value closure of stomata.

Question : Assertion : According to Scarth, opening and closure of sto

1.	Question : Assertion : According to Scarth, opening and closure of stomata is controlled by pH value.Reason : Low pH value favours opening of stomata and higher pH value closure of stomata.
Answer» If both ASSERTION and REASON are true and Reason is correct explanation of Assertions. If both Assertion and Reason are true but Reason is not correct explanation of Assertion. If Assertion is true but Reason is false. If both Assertion and Reason are false. Answer :B