GRADE 7-SCIENCE SUMMATIVE TEST
Quiz by NAOMI DETICIO
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- Q1
Which two parts of the light microscope magnify the image of an object?
eyepiece and mirror
objectives and mirror
objectives and diaphragm
eyepiece and objectives
30s - Q2
Which of the following can be observed using the light microscope?
acacia bark
tip of gumamela leaf
piece of stone
five-peso coin
30s - Q3
Which should be used to observe bacteria?
60x objective and 15x eyepiece
97x objective with immersion oil and 5x objective
60x objective with immersion oil and 10x eyepiece
43x objective and a 10x eyepiece
30s - Q4
What is the total magnification of a bacterial cell view under a high-power objective with a magnification of 45x and an eye piece magnification of 15x?
675x
450 x
975x
600 x
30s - Q5
In which part of the microscope will you place the specimen to be examined?
stage
HPO
mirror
LPO
30s - Q6
Which of the following objectives has the lowest magnifying power?
HPO
LPO
Oil immersion objectives
Scanner
30s - Q7
Which connects the eyepiece to the revolving nosepiece with the objectives?
Base
Inclination joint
Nosepiece
Body tube
30s - Q8
What must be done to a specimen to increase the contrast of the structures viewed?
placed under a cover slip
Illuminated
thinly sliced
Stained
30s - Q9
Who discovered the cell?
Robert Hooke
Christian de Duve
Robert Brown
Anton Van Leeuwenhoek
30s - Q10
Who formulated the cell theory?
Robert Hooke and Robert Brown
Francesco Redi and Walter Fleming
Felix Dujardin and Jan Evangelista Purkinje
Mattias Schleiden and Theodore Schwann
30s - Q11
Which is the CORRECT sequence –from smallest to biggest-of the levels of organization in an organism?
Cell-organism-organ-tissue-organ system
cell-tissue-organism-organ-organ system
cell-tissue-organ-organ system-organism
cell-tissue-organ system-organ-organism
30s - Q12
At which smallest level of organization in an organism can the characteristics of life be carried out?
Organ
Cell
Tissue
Organ system
30s - Q13
Which of the following differentiates organs from tissues?
Organs and tissues are made up of cells.
Organs and tissues make up an organ system.
Organs make up tissues; tissues make up organs
Tissues make up organs; cells make up tissues
30s - Q14
Each part of an organ system plays a specific function. Which of the following structures does not match its function?
Stomach : Digestion
Kidneys : Respiration
Eyes: Sight
Heart : Circulation
30s - Q15
The heart pumps blood that carries oxygen and nutrients to the different parts of the body. To which organ system does the heart belong?
Reproductive
Excretory
Digestive
Circulatory
30s