Certified Crop Advisor Practice Exam

The main function of roots is to __________.

1. produce flowers

2. absorb water and nutrients

3. store carbohydrates

4. anchor the plant

The correct answer is: absorb water and nutrients

The primary function of roots is to absorb water and nutrients from the soil, which is essential for the plant's growth and development. Roots take in water, which is necessary for photosynthesis and the transport of nutrients throughout the plant. They also uptake essential minerals and nutrients like nitrogen, phosphorus, potassium, and various micronutrients from the soil, which are critical for metabolic processes. This function is vital for ensuring the overall health and productivity of the plant, as without sufficient water and nutrients, a plant cannot thrive or produce flowers, fruits, or seeds effectively. Additionally, while roots do provide anchorage to the plant and can store carbohydrates, the fundamental role they play in nutrient and water absorption is essential for a plant's survival, making it the most significant function among the choices provided.