QUICK SCIENCE TEST FOR STUDENTS *65% CHANCE * *INTEGRATED SCIENCE* Draw the circuit symbol of an n-p-n transistor. Give two uses of transistors. Explain the term poultry as used in animal production. Give three advantages of exotic breed of birds over local breed. Describe a simple experiment to show that expired air contains water. Name one reagent used to test for each of the following food substances in the laboratory: a. protein; b. reducing sugar. State three ways of controlling pests on a maize farm. State two ways in which mulching is important in crop production. State two qualities of a good thermometric liquid. Give two examples of a liquid-in-glass thermometer. State two precautions to be taken when using a liquid-in-glass thermometer 6.6K views15:19
