This biology question covers important biological concepts and processes. The step-by-step explanation below helps you understand the underlying mechanisms and reasoning.
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Welcome back — been a while! Let's pick up where you left off. Here are the solutions to the questions: Left Column: 1. All these are found as part of the soil except: Nylon is a synthetic material and not naturally found in soil. Earthworms, termites, and dead plants/animals are natural components. The correct option is (b) nylon. 2. Plants serve as ______ to human beings. Plants provide food, are used in medicine, and can be a source of income. The correct option is (d) all listed. 3. ______ are unwanted plants growing where they are not needed. This is the definition of weeds. The correct option is (a) Weeds. 4. These are farm or crop pests except: Grass cutters, monkeys, and beetles can be farm pests. "Dot" is not a recognized farm pest. The correct option is (b) dot. 5. ______ is a type of teeth. Incisors, molars, and canines are all types of teeth. The correct option is (d) All mentioned. 6. ______ is an example of modern agricultural tools. Tractors and harvesters are modern agricultural tools. A hoe is a traditional tool. The correct option is (d) A and C. 7. The removal of top soil is ______ The removal of topsoil by natural agents like wind or water is known as erosion. The correct option is (a) erosion. 8. ______ is a mixture of gases. Air is a mixture primarily composed of nitrogen, oxygen, and other gases. The correct option is (d) Air. 9. ______ is an example of primary colour. In the additive color model (RGB), both green and red are primary colors. The correct option is (d) A and B. 10. ______ is used for cutting scissors. Scissors use blades to cut. The correct option is (b) Blade. Right Column (Social Studies - Topic: Housing): 1. People live in a ______ People typically reside in a house. The correct option is (c) house. 2. These are used in constructing a house except ______ Water, cement, and gravel are common construction materials. Pepper is a spice. The correct option is (d) pepper. 3. To acquire a building in Nigeria, one needs ______ An approved survey plan, deed of assignment, and certificate of occupancy are all essential documents for property acquisition in Nigeria. The correct option is (d) all listed. 4. ______ is a type of house in Nigeria. A bungalow is a common type of residential building in Nigeria. The correct option is (c) Bungalow. 5. List six (6) types of houses in Nigeria. Six types of houses commonly found in Nigeria include: Duplex Bungalow Self-contain Story buildings Mud houses Bamboo houses The answer is: Duplex, Bungalow, Self-contain, Story buildings, Mud houses, Bamboo houses. 6. ______ works in construction of houses. Plumbers install water systems, and carpenters work with wood structures in house construction. The correct option is (d) A and C. 7. Bricklayer arrange ______ in the house. Bricklayers are responsible for laying bricks or blocks to form walls and other structures. The correct option is (c) bricks/blocks. 8. ______ material should be used to build houses. Using quality materials ensures the safety and durability of a house. The correct option is (b) Quality. 9. A family lives in a ______ A family typically resides in a house. The correct option is (c) house. 10. The foundation of all houses must be ______ A solid foundation is crucial for the stability and longevity of any building. The correct option is (d) solid. Send me the next one 📸