a. C. Directions: Read the statement or question in each item below and choose the correct corresponding letter of your answer to the ANSWER BOX on the right part of this page. 1. In your Science class, your teacher asked you to examine a river water under a compound microscope. What part of the microscope will you move or manipulate to bring the object/specimen being viewed closer? Base b. Eyepiece adjustment knobs d. Nosepiece 2. Microscope as a science laboratory equipment is used to magnify things. What is magnification? a. It is the measure of the ability of the lens to produce a smaller image of an object. b. It is the measure of the ability of the lens to produce a bigger image of an object. It is the measure of the ability of the diaphragm to produce a smaller image of an object. d. It is the measure of the ability of the light source to produce a bigger image of an object. 3. Which among the following statements is NOT included in the steps on how to use a microscope to observe a specimen? a. Adjust the mirror so that natural light is reflected through the stage window b. Put a high-power eyepiece into the microscope. C. Rotate a low-power objective into position d. Look through the eyepiece. Adjust the mirror until you see a bright circle of light 4. One of your classmates asked you why stains or staining element is important in viewing colorless objects/specimen under a microscope; how will you answer his question? a. Staining elements are used to add make the specimen interesting b. Staining elements are used to kill any microorganisms in the specimen C. Staining elements are used to help scientist see the specimen clearly d. Staining elements are used to easily identify the color of an organism 5. What is the purpose of a coverslip when preparing a specimen to view under the microscope?
