1.1. Figure 1 shows part of a root as seen using a light microscope.

Figure 1

Figure 2 shows information about the two types of cells labelled in Figure 1.

Figure 2

(i) Calculate the surface area to volume ratio of the root hair cell. 

(2)

(ii) Explain how root hair cells are adapted for their function in the plant. 

(2)

1.2. Root hair cells can be viewed using an electron microscope. 

Describe and explain how the image in Figure 1 would appear different if taken using an electron microscope.