$Rhizophora$ is a characteristic component of:

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.

Which of the following is not the main function of the root system?

Tertiary roots are

$A$ modification of the following is a sucking structure.

The root cap is regenerated or produced from which of the following?