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Cells of the meristematic tissue are very active, but they lack:
dense cytoplasm
vacuoles
thin cellulose walls
prominent nuclei
vacuoles
Cells of meristematic tissue are actively dividing cells responsible for the growth of plants. Because of their continuous and rapid division, they possess dense cytoplasm, thin cellulose walls, prominent nuclei, and crucially, they lack vacuoles (or have very small, inconspicuous vacuoles) to maintain a dense protoplasm and rapid metabolic state.
Cells of meristematic tissue are actively dividing cells responsible for the growth of plants. Because of their continuous and rapid division, they possess dense cytoplasm, thin cellulose walls, prominent nuclei, and crucially, they lack vacuoles (or have very small, inconspicuous vacuoles) to maintain a dense protoplasm and rapid metabolic state.
Think of a meristematic cell as a busy construction workshop where workers (organelles) and blueprints (prominent nuclei) are packed tightly with raw materials (dense cytoplasm), having no space for bulky storage warehouses (vacuoles).
MCD: Meristematic Cells Divide, packed with Cytoplasm and Nuclei, but NO Vacuoles (M-C-D-V).
Meristematic cells are characterized by intensive mitotic activity. To support rapid cell division, DNA replication, and protein synthesis, they maintain a dense cytoplasm, a large prominent nucleus, and thin elastic primary cell walls made of cellulose. Vacuoles store water, cell sap, and waste products and cause cells to enlarge and differentiate; hence, actively dividing meristematic cells lack large central vacuoles to keep the cytoplasm dense and uninhibited.
Meristematic cells are actively dividing cells responsible for primary and secondary plant growth.
They possess dense cytoplasm and prominent nuclei to manage high metabolic and mitotic rates.
Their cell walls are thin and composed of cellulose, allowing rapid expansion during division.
Vacuoles are typically absent or very small because they are not required for storage in actively dividing cells.
Enables continuous growth throughout the plant's life cycle
Allows tissue regeneration and healing in plants
Apical meristems at root and shoot tips for length increase
Lateral meristems (cambium) for secondary growth and girth increase
| Feature | Meristematic Tissue | Permanent Tissue |
|---|---|---|
Vacuoles | Absent or very small | Large and central |
Cell Wall | Thin and cellulosic | Thin or thick (lignified/subinized) |
Division Capability | Actively dividing (mitosis) | Non-dividing (differentiated) |
Vacuoles provide turgidity and storage, which is characteristic of mature permanent plant cells, not actively dividing meristematic cells.
Option B (vacuoles) is the correct answer as meristematic cells lack large vacuoles.
B is correct тАФ Cells of the meristematic tissue lack vacuoles to
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