Consider the following functions for plants : A. To give support to the plant B. To provide humus C. To store food D. To absorb water and minerals. The functions of roots are

Roots anchor the plant providing support (A), some roots like carrot and radish store food (C), and roots absorb water and minerals from the soil (D). Providing humus (B) is not a function of roots—humus is formed by decomposition of dead organic matter. Therefore A, C, and D are the correct functions of roots.