2021-07-29 18:19:51
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
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