MCQ
Q 1. Which one of the following is a step in the formation of soil? (a) volcanic eruptions (b) Weathering of rocks (c) Addition of humus (d) All are involved in the formation of soil Q 2. In which horizon of soil minerals are found? (a) A (b) B (c) C (d) None of these Q 3. Which physical property of soil is important to us? (a) Texture (b) Water holding capacity (c) Both of these (d) None of these Q 4.Which of the following type of soil will form a colloidal solution when suspended in water? (a) Clay (b) Silt (c) Sand (d) Gravel Q 5.Which factor influences soil formation? (a) Climate (b) Vegetation (c) Parent rock (d) All of these Q 6.The proportion of sand, silt and clay in a soil sample determines (a) Structure (b) Texture (c) nutrient potential (d) Fertility level Q 7.The microorganisms present in the soil require moisture (water) and nutrients for growth and survival. Choose from the options below the habitat (place) where the s