The correct option is (iii). Meristematic cells have thin walls, dense cytoplasm and a large prominent nucleus. These features support rapid cell division, active metabolism and continuous growth, allowing plants to increase in length, girth and regeneration.
Meristematic tissues divide repeatedly. What property of their cells allows them to do this? (i) They have thick walls for protection. (ii) They contain large vacuoles that store nutrients. (iii) They have thin walls, dense cytoplasm and large prominent nucleus. (iv) They are functionally differentiated cells.
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Option iii is correct
Reasoning: These Features support high metabolic activity and rapid cell division.
The correct answer is (iii) thin walls, dense cytoplasm and large prominent nucleus. Meristematic cells remain actively involved in repeated cell division. Thin walls allow easy division, dense cytoplasm supports high metabolic activity and the large nucleus controls growth and cell functions efficiently. These characteristics help plants grow continuously in roots, shoots and other growing regions.
For more NCERT Solutions of Class 9 Science Exploration Chapter 3 Tissues in Action Question Answer (2026-27)
https://www.tiwariacademy.com/ncert-solutions/class-9/science/exploration-chapter-3/