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प्रश्न
What is xylem tissue? Name the two kinds of cells in xylem tissue. State whether these cells are living or dead.
उत्तर
Xylem is a conducting tissue in plants. It transports water and minerals, which are absorbed from the soil by the roots of the plants, to various parts of the plant such as stems, leaves, and flowers. The two kinds of cells in xylem tissue are xylem vessels and tracheids. Both of these cells are dead cells.
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संबंधित प्रश्न
How is food transported in plants?
Which process in a plant is accomplished by utilising energy from ATP : transport of water and minerals or transport of food?
Which of the following carries substances upwards as well as downwards in a plant?
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In autotrophs, water is transported through:
The transport system in plants consists of two kinds of tissues X and Y. The tissue X is made up of living cells and consists of two components A and B. The component A has tiny pores in its end walls and contains only cytoplasm but no nucleus. On the other hand, component B has cytoplasm as well as nucleus. The tissue Y is made up of dead cells and consists of two components C and D. The component C has open ends whereas component D does not have open ends. In flowering plants, either only C or both C and D transport water but D is the only water conducting tissue in non-flowering plants.
(a) What is (i) tissue X (ii) component A, and (iii) component B?
(b) What is (i) tissue Y (ii) component C, and (iii) component D?
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Explain mechanism of sugar transport through phloem.
Chief vascular element concerned with transport of food in plant.
