The internal factor for transpiration is
a) oxygen
b) CO2
c) stomata
d) nitrogen
Stomata of plant open due to
a) influx of potassium ions
b) efflux of hydrogen ions
c) NaCl ions
d) Calcium ions
What does not cause stomatal opening ?
a) High CO2 concentration
b) light
c) air
d) temperature
Transpiration is mainly a process of
a) guttation
b) respiration
c) osmosis
d) diffusion
Which ones did not show transpiration
a) aquatic submerged plants
b) desert plants
c) xerophytes
d) halophytes
Oozing out of water drops from injured edges or tips is
a) Bleeding
b) guttation
c) oozation
d) transpiration
