The alongside diagram A shows a root hair growing through the soil particles. The diagram B is … shapes of root hairs in the two…
(i) 1-Nucleus. 2-Cell wall. 3-Cytoplasm of the root hair cell.
(ii) 1. Water: Carries minerals to the plant.
2. Minerals : They are needed for healthy plant growth.
(iv) In the Fig. A, the root hair has to pass through the soil particles and as such they are not straight. In the Fig. B, the root hair has no obstruction in water, and as such it grows straight.