Neet Solved Paper 2015 Question 23
Question: Which one gives the most valid and recent explanation for stomatal movements?
Options:
A) Transpiration
B) Potassium influx and efflux
C) Starch hydrolysis
D) Guard cell photosynthesis
Show Answer
Answer:
Correct Answer: B
Solution:
- Levitt in 1954 proposed active potassium transport theory, which is the most valid and recent explanation for stomatal movements. It is explained below as: It has been proved that the accumulation of $ {K^{+}} $ ion brings the opening of stomata and loss $ {K^{+}} $ ions, the closing of stomata.
