Question

Stomata open at night and close during day time in

Xerophytes
Mesophytes
Succulents
Hydrophytes

Answer 1

I think xerophtyes is answer

Answer 2

yes in all these organism dark reaction takes place .
it opens at night to save water from being getting evapourated
It opens at night and intake co2 and water at night and convert it into mallic acid and in morning using just chlorophyll and sunlight they convert mallic acid into glucose.