1) Which of the following is NOT a factor that affects soil formation? a) Parent rock b) Climate c) Time d) Sound 2) The process of breaking down rocks into smaller particles due to weather conditions is called: a) a) Erosion b) b) Deposition c) c) Weathering d) d) Sedimentation 3) The slow process of soil formation takes approximately: a) A few months b) A few years c) Hundreds to thousands of years d) A few days 4) What is humus in soil? a) layer of small rocks b) b) Decayed organic matter c) A type of soil particle d) d) A liquid found in the soil 5) Which soil layer is responsible for breaking down rocks into smaller particles? a) opsoil b) b) Subsoil c) Parent rock d) d) Humus 6) In which layer of soil do most plant roots grow? a) Bedrock b) Subsoil c) Topsoil d) Parent material 7) Which of the following is a type of agriculture commonly practiced in the UAE to save water? a) Traditional farming b) Hydroponics c) Field-based irrigation d) Flood irrigation 8) What is hydroponics? a) A method of farming that uses soil to grow plants b) B) A method of farming that uses water and nutrient solutions to grow plants without soil c) C) A process of growing plants underwater d) D) A type of traditional farming that depends on rainfall

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