The surface-to-volume ratio of a cell

List three categories of substances which are ensured greater diffusion due to large surface/volume ratio of the cells.

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

A sphere and a hemisphere have the same volume. The ratio of their curved surface area is :

A sphere and a hemisphere have the same volume. The ratio of their curved surface area is___

The ratio of curved surface area and volume of a cylinder is 1 : 7. The ratio of total surface area and volume is 187 : 770. What is the respective ratio of its base radius and height?

The length, breadth and height of a rectangular parallelopiped are in ratio 6:3:1 . If the surface area of a cube is equal to the surface area of this parallel opiped, then what is the ratio of the volume of the cube to the volume of the parallel opiped ?

What is the ratio of volume to surface area of sphere?

The ratio of volumes of two cubes is 8 : 125. The ratio of their surface areas is