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Sagot :
Answer:
10. Which of the following best describes the purpose and function of the microscope?
A. Combination of lenses enlarge or makes you see highly magnified view of very small objects or organisms.
B With the use of the stage clip, the specimen is held in place on the stage for viewing.
C. Selection of the objective is made easy through the use of revolving nosepiece.
D. Light from the source is reflected to the specimen using the mirror
11-12 The following are the processes applied when using the microscope to carry-out an activity in the laboratory. Which of the letter sequence represents the correct procedure to follow? (This is a 2-point item) a. Keep your microscope covered when not in use b. Do not touch the glass part of the lenses with your finger Put the microscope on the table with the arms towards you d. Carry the microscope with your both hands. Grasp the arm with one hand and place the other hand under the base for support e. Use only a special lens paper to clean the lenses C. A. d-c-b-e-a B. b-c-d-e-a C. c-b-e-d-a D. a-b-d-ce E. none of these
13. Which are you going to use to raise the body tube? A. fine adjustment B. coarse adjustment C. inclination joint D. revolving nosepiece
14. Looking at the specimen in focus, in what part are you going to position your eye? A. Ocular B. Body tube C. Stage D. Diaphragm
15. Which part of the microscope controls the amount of light used in illuminating the specimen? A. eyepiece B. Objective C. Aperture D. Diaphragm
16. What is described as the smallest and independently functioning unit of a living organism? A. Tissue B. Organ C. Cell D. Organism
17. Which of the following is a cell? A. flesh 1 B. ovum C. Heart D. Bird
18. The following are organs EXCEPT A. Kidney B. Amoeba C. Eyes D. Pancreas
19. Which best describe the species? A species is A. a group of organisms of the same kind B. a group of organisms living in the same place at the same time C. an entire set or array of organisms living in the same place at a given time D. the place where living and nonliving components interact with one another
20. Which of the following levels of organization is arranged in proper order? A. cell, tissue, organism B. organism, ecosystem, biome C. population, community, ecosystem D. biosphere, ecosystem, organ system
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