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प्रश्न
Draw a well-labelled diagram of phloem.
Draw a labelled diagram of a sieve tube (or phloem).
आकृति
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उत्तर
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अध्याय 1: Life Processes - Exercise 3 [पृष्ठ ८८]
संबंधित प्रश्न
What is the role of epidermis in plants?
Write a short note on sclerenchyma.
What are the functions of phloem?
What is simple tissue? Classify and explain its different types with suitable diagram.
Parenchyma containing chloroplasts is known as :
Give the structure and function of the following:
Phloem
Write 'True or False' for the following statement:
Sclerenchyma cells have intercellular spaces.
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 fibers from sclereids.
Cells of this tissue are living and show angular wall thickening. They also provide mechanical support. The tissue is ______.
