How many of the following statements are consistent with the functions of the root?
$I$ - Absorption of water and minerals from the soil
$II$ - Providing a proper anchorage to the plant parts
$III$ - Storing reserve food material
$IV$ - Synthesis of plant growth regulators

The edible part of the turnip ($Brassica$ $rapa$) is a ........

$A$ root cap is absent in the root 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.

$Cuscuta$,$Viscum$ and $Orobanche$ are similar in having

Asafoetida is found in the schizogenous ducts of the . . . . . . .