WAEC SSCE - Biology - 2006 (Objective)

Question 1 Report

Which of the following processes does not contribute
towards growth?

Cell division

Cell enlargement

Cell differentiation

Cell plasmolysis

Answer Details

Cell plasmolysis does not contribute towards growth. Plasmolysis is the shrinking of the protoplasm of a plant cell due to the loss of water by osmosis. It occurs when a plant cell is placed in a hypertonic solution, causing the water to move out of the cell. This can lead to a reduction in the size of the cell and affect the plant's overall growth. However, cell division, cell enlargement, and cell differentiation are all processes that contribute towards growth. Cell division involves the splitting of one cell into two or more, which increases the number of cells in an organism. Cell enlargement involves an increase in the size of individual cells, which also contributes to overall growth. Finally, cell differentiation is the process by which cells become specialized for specific functions, such as muscle cells or nerve cells, which is important for the growth and development of complex organisms.






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