Question

Stomata are closed at night how do plants breathe at night

Answer 1

plants had residual volume inside them which they store in day time whereas they also had lenticels and hair root to breathe which performs the. same function

Answer 2

during night plants consume oxygen but they don't release any. All the plants and animals on the earth engage in a process called respiration. Respiration combines oxygen and the food created during photosynthesis to produce usable energy. One of the byproducts of respiration is carbon dioxide.