Advertisements
Advertisements
प्रश्न
Write a short note.
Xylem
Advertisements
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.
APPEARS IN
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 food to different parts of plant
Write three differences between the two principal vascular tissues found in plants.
Fill in the blank
........................ tissue consists of more than one kind of cells.
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 is complex tissue?
What are permanent tissues? Describe the different types of simple permanent tissues.
Choose the wrong statement
Differentiate collenchyma and sclerenchyma.
Which of the following is NOT true?
A vessel less piece of stem possessing prominent sieve tubes would belong to ______.
What are the characteristic differences found in the vascular tissue of gymnosperms and angiosperms?
Write the function of:
Sieve tube
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:
