In $Rhizophora$,roots are modified to form

In maize, the fibrous roots develop from

Hygroscopic roots occur in

Pneumatophores are useful in

Given below are two statements.
Statement-$I$: In root hair,the outer layer of the cell wall is composed of pectin.
Statement-$II$: In root hair,the inner layer of the cell wall is composed of cellulose.
Choose the correct answer from the options given below with reference to the structure of root hair.

Give differences: Tap root system and Fibrous root system.