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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
Differentiate between parenchyma, collenchyma and sclerenchyma on the basis of their cell wall.
Draw a well labelled diagram of xylem.
What are different types of tissues in plants? Describe simple tissues.
What do you know about complex tissue? Classify and explain its different types in plants with suitable diagrams.
Study the diagram given below and then answer the question that follows:
State the function of the parts labelled 1, 2, 3 and 4.
Differentiate between:
Parenchyma and collenchyma
Give the structure and function of the following:
Collenchyma
Name the tissue associated with the following:
Conduction of water in the plant body.
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 |
Which of the following is a permanent tissue?
