The flow of air and water in or out of the mesophyll laye...
The flow of air and water in or out of the mesophyll layer of a leaf is controlled by the
stomata
lenticels
air space
guard cell
Correct answer is D
No explanation has been provided for this answer.
The three blood vessels that supply the mammalian alimentary canals are ...
The transfer of ripe pollen grains from the anther to the stigma of the same flower is termed ...
An organism which lives on the remain of dead plant is ...
Which of the insects destroys grains? ...
The mechanism of gaseous exchange in living organisms is essentially by ...
The period of inactivity seen in some animals during long period of heat or drought is ...
Fruits that develop without fertilization are described as ...
Which plant hormone inhibits the development of lateral buds in plants? ...
Which of the following actions supports conservation? To ...