Question: 100% NCERT covered from Particular Keyword.Explanations are 100% from NCERT | [Difficult level: Easy] From NCERT NEET Derived Question.
Increase in CO2 concentration around leaf results in
(a) Rapid opening of stomata
(b) Partial closure of stomata
(c) Complete closure of stomata
(d) No effect on stomatal opening
Answer:(b) Partial closure of stomata
Question: 100% NCERT covered from Particular Keyword.Explanations are 100% from NCERT | [Difficult level: Easy] From NCERT NEET Derived Question.
A sudden increase in carbon dioxide concentration around a leaf will cause
A. Wider opening of stomata
B. Increase in transpiration
C. Closure of stomata
D. Decrease in transpiration due to closure of stomata
Answer:d
> Option A is a wider opening of the stomata which is completely incorrect as the stomata gets closed not open.
> Option B is Increase in transpiration which is also completely wrong as there is decrease in the rate of transpiration not increase.
> Option C is Closure of stomata which seems correct but its incomplete since there is closing of stomata but along with this there is decrease in the rate of transpiration too.
> Option D is Decrease in transpiration due to closure of stomata which is the most correct one as due to closing of stomata there is decrease in the rate of transpiration too.
