Match each of the following terms with its description. For some of the terms, there may be more than one description that matches them.
Lignin, root hair, potometer, stoma, transpiration, xylem vessel.
(a) A long tube made of empty cells joined end to end
(b) Hard, strong tubes that help to support a plant
(c) A strong, hard substance that makes up the walls of xylem vessels
(d) An extension from a cell near the tip of a root, which absorbs water from the soil
(e) The loss of water vapour from the leaves of a plant
(f) A small gap between the cells of the epidermis of a plant
(g) A piece of apparatus used for measuring the rate at which a plant shoot takes up water
Important Questions on Transport in Plants
Give the correct technical term that match of the given description.
The movement of sucrose and amino acids from sources to sink.
Give the correct technical term that matches the given description.
A tissue through which source and amino acids are transported.
Give the correct technical term that matches each of these descriptions.
(c) The collapse of leaves and shoots resulting from a loss turgor in the cells.
Give the correct technical term that matches the given description.
A force that helps to hold water molecules together, allowing an uninterrupted column of water to move up xylem vessels.
The list below includes some of the parts of a plant through which water moves as it passes from the soil into the air.
Xylem, stomata, root cortex cells, air spaces in leaf, root hairs, leaf mesophyll cells
(a) Write these parts in the correct order to describe the pathway of water through a plant.
The list below includes the parts of a plant through which water moves as it passes from the soil into the air. For each part in the list state whether the water is in the form of a liquid or a gas as it passes through it.
Xylem, stomata, root cortex cells, air spaces in leaf, root hairs, leaf mesophyll cells.
The diagrams show a transverse section of a stem, and a transverse section of a root.
(a) Explain what is meant by the term transverse section?
The diagrams show a transverse section of a stem, and a transverse section of a root.
(b) Make a copy of the diagram that shows a transverse section of a stem. Label the xylem tissue
