Flowres remain closed in

Stomata of desert plants remain closed during day time. How do they up CO_(2) and perform photosynthesis ?

'Stomata remain closed in desert plants during day time.' How do they do photosynthesis ?

Lenticels and hydathodes are small pores with following common attributes 1. they remain open 2. they allow exchange of gases 3. they always remain closed 4. they are found on the same organs of plants

In which of the following stage of cardiac cycle semilunar vines remain closed?

During which of the following of the following events of cardiac cycle, AV valves remain closed?

During which of the following of the following events of cardiac cycle, AV valves remain closed?

Stoma remains closed when guard cells are _______.