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प्रश्न
Name the conducting tissue of plants which is made of sieve tubes alongwith companion cells.
उत्तर
Phloem is the conducting tissue of plants that is made of the sieve tubes along with the companion cells.
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संबंधित प्रश्न
What are the components of the transport system in highly organised plants?
State the term used for the transport of food from leaves to other parts of plant.
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.
Why is the transport of materials necessary in an organism (plant or animal)?
One of the following is not a constituent of blood. This one is:
Which one of the following has cytoplasm but no nucleus:
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?
In the given transverse section of the leaf identify the layer of cells where maximum photosynthesis occurs.
Explain mechanism of sugar transport through phloem.
Chief vascular element concerned with transport of food in plant.
