In which of the following plants would metabolism be hindered if the leaves are coated with wax on their upper surface
a) hydrilla
b) polysiphonia
c) chara
d) lotus
Active potassium ions exchange mechanism for opening and closing of stomata was given by………
a) darwin
b) lamarch
c) whittaker
d) levit
On a wind less hot day, one would perspire more in a thick forest because………
a) Plant transpire
b) plant excretion
c) less light available
d) rain
Of the processes which occurs in leaves, the one which may lower their temperature
a) respiration
b) photosynthesis
c) transpiration
d) hydrolysis
Excretion of other wastes in plants:
Some plants store their wastes in their………..
a) roots
b) stem
c) leaves
d) all of these
