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- Q1
Which of the following BEST describes the function of a microscope?
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.
It is an optical instrument that can magnify the image of atoms and cells.
30s - Q2
Who was the scientist who examined bacteria, blood cells, yeasts, and protozoans using the microscope that he invented?
Robert Hooke
Anton van Leeuwenhoek
Galileo Galilei
Zacharias Janssen
30s - Q3
Which part of the microscope should be manipulated if the Low Power Objective (LPO) needs to be adjusted?
Lightsource
Stag
Coarse adjustment knob
Eyepiece
30s - 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.
30s - Q5
Which part of the microscope contains a magnifying lens where you look through to observe the specimen?
A
D
B
C
30s - Q6
Which of the following statements is the correct way of preparing a specimen?
Cover the specimen quickly using a coverslip.
Avoid the contamination of the specimen by covering it with a coverslip.
Lift the coverslip before covering the specimen.
Position the coverslip at an angle to the slide before covering the entire specimen.
30s - Q7
Which part will you adjust while viewing under HPO if the cut-out small letter“e” you are observing is not clear?
C
A
B
E
30s - Q8
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 - Q9
Which of the following shows the letter “e” as seen under the microscope?
30s - Q10
Why is it necessary for the specimen to be thinly sliced so it can be observed under the microscope?
The light could pass through the specimen.
The image will be clearer.
The image would be bigger.
The high magnification objective can be used.
30s - Q11
Which sequence of biological levels of the organization is correctly arranged from most complex to simplest?
30s - Q12
Which level of organization in an organism is the basic unit of life?
organ
cell
organ system
tissue
30s - Q13
An organ system of a complex form of the organism is made up of different organs that perform a specific function. Which of the following organs DOES NOT match its function?
Kidney: Excretion
Lung: Respiration
Muscle: Support
Heart: Circulation
30s - Q14
Which of the following statements correctly describe the organ system of plants?
Plants have flowers that reproduce asexually.
Plants have a nervous system that coordinates the functions of other organs.
Plants and animals have the same set of organ systems.
The Plant’s shoot system is made up of flower, leaf, and stem.
30s - Q15
Which of the following examples describes a population?
Eight dogs and two cats roam in one of the Barangays in Marikina.
Five Carabaos were seen in Marikina City in 2019.
Five varieties of plants in a rectangular pot were sold yesterday in Imelda’s Garden located in Marikina.
Six birds were spotted this morning nesting on different trees at the Marikina RiverPark.
30s
