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प्रश्न
How many types of elements together make up the xylem tissue? Name them.
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उत्तर
There are four different types of cells that make up the xylem tissue. They are:
- Tracheids
- Vessels
- Xylem parenchyma
- Xylem fibres
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संबंधित प्रश्न
Which tissue makes up the husk of coconut?
Distinguish between tracheids and vessels.
What do you know about complex tissue? Classify and explain its different types in plants with suitable diagrams.
Write 'True or False' for the following statement:
A vascular bundle conducts prepared food only.
Write 'True or False' for the following statement:
A tracheid is longer than a vessel.
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 |
Differentiate between meristematic and permanent tissues in plants
Name any two simple and two complex permanent tissues in plants.
Which of the following is a permanent tissue?
