Articles > Soils – Quiz Soils – Quiz Quiz Choose the best answer. 1. The soil forms as a result of various factors, such as climate, vegetation, local topography, parent material, and time.TrueFalse 2. The top horizon is also known as the A horizon or topsoil.TrueFalse 3. An ideal local area topography would be the one that prevents soil drainage with erosion.TrueFalse 4. Light soils have low clay content and high sand content whereas heavy soils have a high clay content and low sand content.TrueFalse 5. The permanent wilting point is the point at which the plant is unable to absorb water at a rate sufficient for its needs.TrueFalse Send Your Results (Optional) Your Name To Email Time is Up!