Home » Biology » The flow of air and water in or out of the mesophyll layer of a…The flow of air and water in or out of the mesophyll layer of a… The flow of air and water in or out of the mesophyll layer of a leaf is controlled by the A. stomata B. lenticels C. air space D. guard cell Correct Answer: Option D Explanation Related Posts Monocot stem differ from dicot stems in that monocot have The main function of blood in mammals is to transport Which of the following is seed bearing? The soil with highest water-retaining capacity is Which of the following characteristic features is not associated with monocotyledonous plants? A neurone that transmits impulses directly from sensory cells is called