After diffusion, CO2 attaches to the wet surface of……….cells.
a) guard
b) companion
c) epidermal
d) mesophyll
In which reaction step of photosynthesis, CO2 molecule is reduced?
a) light reaction
b) Calvin cycle
c) both of them
d) none of them
In dark reaction of photosynthesis, CO2 molecule is reduced to …..
a) oxygen
b) water
c) glucose
d) none of them
Water is absorbed by the………of plants.
a) leaves
b) stems
c) roots
d) branches
Water is absorbed by the roots of plants from……
a) soil
b) air
c) atmosphere
d) all of them
Water is transported from roots to shoots in plants through….
a) stomata
b) roots
c) phloem
d) xylem
