Category Past Questions

1. What is the primary purpose of using a balance in the laboratory?A) To measure volumeB) To measure massC) To mix solutionsD) To heat substancesAnswer: B) To measure mass 2. Which of the following is a safety precaution when working…

1. What is the basic unit of matter?A) MoleculeB) AtomC) CompoundD) ElementAnswer: B) Atom 2. Which of the following is a chemical change?A) Ice meltingB) Sugar dissolving in waterC) Iron rustingD) Water boilingAnswer: C) Iron rusting 3. What is the…

csc 102 COS 102 1. What is the primary function of an operating system?A) To manage hardware and software resourcesB) To compile codeC) To connect to the internetD) To create databasesAnswer: A) To manage hardware and software resources 2. In…

1. In a labeled diagram of a flower, which part is responsible for producing pollen?A) StigmaB) StyleC) AntherD) OvaryAnswer: C) Anther 2. In the microscope diagram, what is the function of the objective lens?A) To illuminate the specimenB) To magnify…