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प्रश्न
Give the structure and function of the following:
Phloem
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उत्तर
Phloem
Structure - Phloem is a complex plant tissue found in all parts of the plant like roots, stems, and leaves. It is made up of four components which are:
(a) Sieve tubes
(b) Companion cells
(c) Phloem parenchyma
(d) Phloem fibres
Function - Phloem carries out the conduction of organic food prepared by the plant.
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संबंधित प्रश्न
Draw a well labelled diagram of phloem.
Differentiate between:
Collenchyma and Sclerenchyma
Give the structure and function of the following:
Collenchyma
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.
The question has four answers. Choose the correct answer:
Phloem parenchyma, sclerenchyma, sieve tubes, and companion cells are found in
Match the column (A) with the column (B)
| (A) | (B) | ||
| (a) | Parenchyma | (i) | Thin walled, packing cells |
| (b) | Photosynthesis | (ii) | Carbon fixation |
| (c) | Aerenchyma | (iii) | Localized thickenings |
| (d) | Collenchyma | (iv) | Buoyancy |
| (e) | Permanent tissue | (v) | Sclerenchyma |
Name any two simple and two complex permanent tissues in plants.
Name the two types of sclerenchyma cells.
The cells or tissues of plants which have lost the power of division are called
