SUMMATIVE ASSESSMENT (Second Quarter)
Quiz by Jenny Dela Vega
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- Q1
Who was the scientist who examined bacteria, blood cells, yeasts and protozoansusing the microscope that he invented?
Zacharias Janssen
Robert Hooke
Galileo Galilei
Anton van Leeuwenhoek
30s - Q2
Which part of the microscope should be manipulated if the Low Power Objective (LPO)needs to be adjusted?
Stage
Light source
Eyepiece
Coarse adjustment knob
30s - Q3
In carrying the microscope, which parts should be handled carefully?
Coarse focus knob and base
Arm and Base
Arm and Eyepiece
Coarse focus knob and arm
30s - Q4
What is the function of a light source in the compound light microscope?
To enlarge the size of the specimen
To make the image of the specimen visible
To provide illumination to the specimen
To magnify the image of the specimen
30s - Q5
Which of the following statements is the correct way of preparing a specimen?
Cover the specimen quickly using a coverslip
Position the coverslip at an angle to the slide before covering the entire specimen.
Lift the coverslip before covering the specimen.
Avoid the contamination of the specimen by covering it with a cover slip.
30s - Q6
How does the development of the microscope expand our knowledge about microorganisms?
It encourages scientists to conduct more research about microscopes.
It helps manufacturers increase the production of microscopes.
It enables us to see the atoms.
It helps us understand the characteristics of germs that cause diseases.
30s - Q7
How did Robert Hooke discover the cell in his experiment using a single lens microscope?
He conducted an experiment using animal cells like blood cells.
He observed the honeycomb structure of a cork.
He discovered the microorganisms like viruses and bacteria.
He observed a specimen from a plant.
30s - Q8
Scientists use a highly advanced type of microscope to study the structure ofSARS-CoV-2, the virus that causes COVID-19. Which of the following microscopes canbe used in viewing the image of this virus?
Ultramicroscope
Compound light microscope
Transmission electron microscope
Simple light microscope
30s - Q9
Allen examines a specimen of onion under the microscope. He observes that theimage of the onion cells is slightly dim. Which of the following parts of the microscopeshould he adjust to change the intensity of light?
Objectives
Eyepiece
Iris diaphragm
Revolving nosepiece
30s - Q10
Jim observes the pollens from a plant under a compound light microscope.Which mechanical part should he adjust if he wants to change the objective fromLow Power Objective (LPO) to High Power Objective (HPO)?
Revolving nosepiece
Body tube
Coarse adjustment knob
Fine adjustment knob
30s - Q11
Which part of the microscope contains a magnifying lenswhere you look through to observe the specimen?
B
C
A
D
30s - Q12
Which letter represents the coarse adjustment knob?
F
C
A
B
30s - Q13
Which part will you adjust while viewing under HPO if the cut out small letter “e” you are observing is not clear?
B
C
D
A
30s - Q14
Which part supports the entire weight of the microscope?
A
B
F
D
30s - Q15
If a microscope has a 4x ocular lens and a 10x objective, what is the total magnification of the object being viewed?
400x
4x
40x
14x
30s
