Multiple choice Which of the following is not a function of the root system? Absorption of water from the soil Providing a proper anchorage to the plant parts Absorption of minerals from the air Storing reserve food material Synthesis of plant growth regulators Reveal answer Fill a bubble to check yourself C Correct answer Explanation This is the correct option as this is not a function of the root system. The function of roots is the absorption of minerals from the soil, and not from air.