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प्रश्न
Write a short note.
Xylem
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उत्तर
Xylem is a complex permanent tissue in plants.
- Characteristics: Consists of thick-walled dead cells
- Types of cells: Tracheids, vessels and xylem fibres-dead cells Xylem parenchyma-living cells
- Function: Structure like interconnected tubes, conduct water and minerals only in upward direction.
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संबंधित प्रश्न
State whether the following statement is True or False.
Phloem is formed of dead tubular cells.
Fill in the blank by selecting suitable words from the list given below:
Xylem and phloem form the ............... tissue.
Name the kind of tissue that Transports water in plants
Fill in the blank
............... is a complex tissue that distributes food in plants.
Write a short answer
What constitutes the vascular system of the plant?
What are permanent tissues? Describe the different types of simple permanent tissues.
Choose the wrong statement
______ and ______ are both conducting tissues.
The ______ tissues are made up of more than one type of cell and these works together as a unit.
A vessel less piece of stem possessing prominent sieve tubes would belong to ______.
What do hard wood and soft wood stand for?
What are the characteristic differences found in the vascular tissue of gymnosperms and angiosperms?
Distinguish between the following:
Protoxylem and metaxylem
Statement I: Endarch and exarch are the terms often used for describing the position of secondary xylem in the plant body.
Statement II: Exarch condition is the most common feature of the root system.
In the light of the above statements, choose the correct answer from the options given below:
