Question

Cells of this tissue are very active, have dense cytoplasm, thin cellulose walls, prominent nuclei and lack vacuoles. Can you name the tissue?

Answer 1

Answer:

धदशफब पश लव बढ पास रवष ढठ रश्मि भजोब फष रश्मि भजो भजो षष

Answer 2

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Meristematic cells have immense potential to divide. For this purpose, they have dense cytoplasm and thin cell wall. Vacuoles possess cell sap and provide rigidity and turgidity to the cell. This might pose a problem for cell division. Due to this reason meristematic cells lack vacuole.

➬ Sclerenchyma

⧴ Parenchyma

• Living tissues with thin cell wall with central vacuole and dense cytoplasm. Parenchyma cells are located in the soft parts of the plants such as pith and cortex.

⧴ Sclerenchyma

• These are dead tissues which have thick cell wall due to deposition of lignin. They are generally located in the leaf veins, hard coverings of the seeds and can also be found surrounding the vascular bundle.

⧴ Collenchyma

• Living tissues which have an elongated shape and thick cell wall in the corner. Collenchyma tissue can be located in the leaf stalks, below the epidermis, etc.

⧴ Epithelial tissues

• Epithelial tissues are covering or protective tissues in the animal body. Almost all organs and cavities are covered by Epithelium.