Welcome to your CIE AS Transport in plants Select the incorrect statement regarding mesophylls. Mesophyll is made up of specialised paranchyma cells. Mesophyll cells are specialised for photosynthesis. Palisade mesophyll has many large air spaces between the cells. Palisade mesophyll cells contain more chloroplasts than spongy mesophyll cells.Potometer works on the principle of: Potential difference between the tip of the tube and that of the plant Amount of water absorbed equals the amount transpired Root pressure Osmotic pressureSelect the incorrect statement regarding the structure of xylem. The only function of xylem tissue is the transportation of water in plants. Xylem vessels are made from cells joined end to end to form tubes. The cells of xylem vessels are dead. Xylem vessels have a lignified cell wall.Which is not an adaptation shown by xerophytes? Broad leaves Waxy cuticle Rolled up leaves Sunken stomataSelect the correct statement out of the following. Sieve tubes are made from non living cells called sieve tube elements. Sclerenchyma fibres transport water. Xylem vessels are made from living cells called xylem vessel elements. In stems, xylem and phloem are found in bundles called vascular bundles.Stomata does not close in which of the following circumstance? Low humidity High light intensity High temperature DarknessThe movement of water up through xylem vessels is by _________. Translocation Root pressure Mass flow OsmosisWhich of the following aids in the ascent of sap? Capillary All of the above Root pressure TranspirationThe structure where the air in the internal spaces of the leaf has direct contact with the air outside the leaf. Chloroplast Lower epidermis Stomata Spongy mesophyllWhat is formed where the end walls of two sieve elements meet? Plasmodesmata Casparian strip Middle lamella Sieve plateTime is Up!