While the cuticle is impermeable to water and gases, openings in the epidermis of leaves and stems called ______ permit the exchange of gases, such as CO2 and O2.Multiple choice question.xylemstomatavascular bundlestrichomes

The openings in the epidermis of a leaf or stem for gas exchange are called ______.

Two ______ surround the stomata in the epidermis of leaves and stems and function in the opening and closing of the stomata.Multiple choice question.cuticlesphloem tissuesguard cellsxylem tissues

_________ helps the plant in exchange of gas with the atmosphere.EpidermisSclereidsStomataPhloem

The epidermis secretes a waxy coating called the __________________,which keeps water inside the leaf.a) Cortexb) Cambiumc) Epidermisd) Cuticle

Which of the following is a function of the upper epidermal tissue in plants?To carry out photosynthesisTo absorb oxygenTo absorb waterTo reduce water loss2In which plant cells would you expect to find the highest concentration of chloroplasts?Epidermal cellsRoot hair cellsPalisade mesophyllSpongy mesophyll3Why are spongy mesophyll cells surrounded by air pockets?To help the leaf remain uprightTo aid the diffusion of gasesTo protect the leafTo store water4Translocation is the movement of:Water around the plant through the phloem tissueDissolved sugars around the plant through the xylem tissueDissolved sugars around the plant through the phloem tissueWater around the plant through the xylem tissue5What does xylem transport around the plant?Water and minerals OxygenGlucoseCarbon dioxide