PRETEST_Science_GRADE 7
Quiz by Angelica Bayron
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Measures 8 skills fromGrade 7SciencePhilippines Curriculum: Grades K-10 (MELC)
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- Q1
Which of the following BEST describes the function of a microscope?
It is an optical instrument that can magnify the image of atoms and cells.
It is a tool that scientists use in conducting experiments.
It is an instrument that can enlarge the cell.
It is a laboratory instrument used in studying the specimens of living things.
60sS7LT-IIa-1 - Q2
Who was the scientist who examined bacteria, blood cells, yeasts, and protozoans using the microscope that he invented?
Galileo Galilei
Robert Hooke
Zacharias Janssen
Anton van Leeuwenhoek
60sS7LT-IIa-1 - Q3
Which part of the microscope should be manipulated if the Low Power (LPO) needs to be adjusted?
Light source
Eyepiece
Coarse adjustment knob
Stage
60sS7LT-IIa-1 - Q4
What is the function of a light source in the compound light microscope?
It enlarges the size of the specimen.
It provides illumination to the specimen.
It makes the image of the specimen visible.
It magnifies the image of the specimen.
60sS7LT-IIa-1 - Q5
Which of the following statement is the correct way of preparing a specimen?
Cover the specimen quickly using a coverslip.
Avoid the contamination ofthe specimen by covering it with a cover slip.
Position the coverslip at an angle to the slide before covering the entire specimen.
Lift the coverslip before covering the specimen.
60sS7LT-IIb-2
