At which times there is no net gaseous exchange between leaves and the atmosphere.
A. Day time. B. Night time.
C. Dawn & dusk.
D. Mid night.
At which times there is no net gaseous exchange between leaves and the atmosphere. | Dawn & dusk. | CSS, PMS, PPSC, FPSC, KPPSC, SPSC, ISSB and NTS Past Papers | Pakistan's Largest Online Past Papers Database