SCIENCE 7 2ND SUMMATIVE TEST
Quiz by Jenny Dela Vega
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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 an instrument that can enlarge the cell.
It is a laboratory instrument used in studying the specimens of living things.
It is a tool that scientists use in conducting experiments
60sS7LT-IIa-1 - Q2
Who was the scientist who examined bacteria, blood cells, yeasts, and protozoans using the microscope that he invented?
Robert Hooke
Galileo Galilei
Anton van Leeuwenhoek
Zacharias Janssen
60sS7LT-IIb-2 - Q3
Which part of the microscope should be manipulated if the Low Power Objective (LPO) needs to be adjusted?
Coarse adjustment knob
Light source
Eyepiece
Stage
60sS7LT-IIa-1 - Q4
What is the function of a light source in the compound light microscope?
It magnifies the image of the specimen.
It makes the image of the specimen visible.
It enlarges the size of the specimen.
It provides illumination to the specimen.
60sS7LT-IIa-1 - Q5
Which of the following statements is the correct way of preparing a specimen?
Avoid the contamination of the specimen by covering it with a cover slip.
Cover the specimen quickly using a coverslip.
Lift the coverslip before covering the specimen.
Position the coverslip at an angle to the slide before covering the entire specimen.
60sS7LT-IIb-2 - Q6
Refer to the image of the microscope. Which part of the microscope contains a magnifying lens where you look through to observe the specimen?
A
C
B
D
60sS7LT-IIa-1 - Q7
Which part will you adjust while viewing under HPO if the cut out small letter “e” you are observing is not clear?
A
D
C
B
60sS7LT-IIa-1 - Q8
If a microscope has a 4x ocular lens and a 10x objective, what is the total magnification of the object being viewed?
14x
40x
400x
4x
60sS7LT-IIa-1 - Q9
Which of the following shows letter “e” as seen under the microscope?
60sS7LT-IIb-2 - Q10
Why is it necessary for the specimen to be thinly sliced so it can be observed under the microscope?
The high magnification objective can be used
The image will be clearer
The image would be bigger
The light could pass through the specimen.
60sS7LT-IIb-2 - Q11
Which sequence of biological levels of organization is correctly arranged from most complex to simplest?
cell > tissue > organ > organ system > organism
organism > organ system > organ > tissue > cell
organism > organ > organ system > tissue > cell
cell > organ > organ system > tissue > organism
60sS7LT-IIc-3 - Q12
Which level of organization in an organism is the basic unit of life?
tissue
organ
organ system
cell
60sS7LT-IIc-3 - Q13
An organ system of a complex form of organism is made up of different organs that perform a specific function. Which of the following organs DOES NOT match its function?
Lung: Respiration
Muscle: Support
Heart: Circulation
Kidney: Excretion
60sS7LT-IIc-3 - Q14
Which of the following statements correctly describe the organ system of plants?
Plant’s shoot system is made up of flower, leaf and stem.
Plants have nervous system that coordinates the functions of other organs
Plants and animals have the same set of organ system
Plants have flowers that reproduce asexually
60sS7LT-IIc-3 - Q15
What level of biological organization refers to a group of organisms of similar species found within a specific area at a given time?
ecosystem
organism
community
population
60sS7LT-IIc-3
