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प्रश्न
Study the diagram given below and then answer the question that follows:
State the function of the parts labelled 1, 2, 3 and 4.
उत्तर
1 → Sieve cells: Help in the transport of food from leaves to storage organs and other parts of the plant.
2 → Phloem parenchyma cells: Storage of starch, fat and other organic food material.
3 → Companion cells: Help in the functioning of the sieve tube cells.
4 → Sieve plate: Perforations in the sieve plates allow water and dissolved organic solutes to flow along the sieve tube.
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संबंधित प्रश्न
What is the role of epidermis in plants?
Name the different types of elements found in the xylem.
Explain how sieve tubes manage to be living?
What is a permanent tissue?
Write 'True or False' for the following statement:
Sclerenchyma cells have intercellular spaces.
Write 'True or False' for the following statement:
A vascular bundle conducts prepared food only.
Why the cells of sclerenchyma and tracheids become dead?
Name any two simple and two complex permanent tissues in plants.
Differentiate fibers from sclereids.
In which of the following pairs of parts of a flowering plant is epidermis absent?
