Question

In succulent plants the stomata open in night and close in day. Which among the following would be best hypothesis

Answer 1

In succulent plants the stomata open in night and close in day. Which among the following would be best hypothesis to explain the mechanism of stomatal action in night only?  

(a) CO2 accumulates, reduces pH, stimulate enzymes resulting in accumulation of sugars.  

(b) increase in CO2 concentration, conversion of organic acids into starch resulting in the increased conversion into sugars resulting in K+ transport.  

(c) low CO2 concentration accumulates organic acids resulting in the increased concentration of cell sap.  

(d) CO2 used up, increase pH results in accumulation of sugars.

Answer 2

The correct answer is option (b)