Discuss the importance of surface to volume ratio for the cells.

The surface-to-volume ratio of a cell

Discuss the importance of photosynthesis.

Assertion : Larger cells are more efficient. Reason : Surface volume ratio is more in large cells

Comparing small and large cells, which statement is correct ? (1) Small cells have a small surface area per cells (2) Exchange rate of nutrients is fast with large cells (3) Small cells have a large surface area per volume ratio (4) Exchange rate of nutrients is slow with small cells

Why is aerobic degradation more important than anaerobic degradation for the treatment of large volumes of wastewaters rich in organic matter. Discuss.

(A) : IgE is important in the allergic response. (R) : It attaches to the surface of basophils and mast cells.

The ratio of the volumes of two spheres is 64 : 27. Find the ratio of their radii. Also find the ratio of their surfaces.

If the ratio of the volumes of two spheres is 1 : 8 then the ratio of their surface areas is