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प्रश्न
What substance/substances are transported in plants by sieve tubes (or phloem)?
उत्तर
Sieve tubes transport food in the plants.
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संबंधित प्रश्न
How is food transported in plants?
What is the name of tissues which transport food in a plant?
Name the conducting tissue in plants which is made of living cells
Which process in a plant is accomplished by utilising energy from ATP : transport of water and minerals or transport of food?
What is xylem tissue? Name the two kinds of cells in xylem tissue. State whether these cells are living or dead.
What is phloem tissue? Phloem contains two types of cells joined side by side. Name these two types of cells. State whether these cells are living or dead.
What do you mean by 'translocation' with respect to transport in plants?
Which plant tissue is involved in translocation : xylem or phloem?
Which of the following carries substances upwards as well as downwards in a plant?
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?
