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WorksheetsScience7_Quarter2_Week 1 PreTest
Total questions: 10
Worksheet time: 3mins
2. Who invented the first compound microscope?
A. Isaac Newton B. Robert Hooke C. Alexander Graham Bell D. Hans & Zacharias Janssen
B. Robert Hooke n
C. Alexander Graham Bell
D. Hans & Zacharias Janssen
3. Which two parts of the light microscope magnify the image of an object?
A. Eyepiece & mirror
B. Eyepiece & objective C. Objectives & mirror D. Objectives & diaphragm
C. Objectives & mirror
D. Objectives & diaphragm
4. What part moves the body tube and objectives up and down?
A. Part A
B. Part B
C. Part H
D. Part I
5. Which part makes possible the changing of the objectives?
A. Part I B. Part J C. Part L D. Part H
B. Part J
C. Part L
D. Part H
6. Which part will you adjust if the onion cell you are observing under HPO is not clear?
A. Part B
B. Part C
C. Part G
D. Part J
7. What makes a microscope determine how clearly a small object can be viewed?
A. Mirror & eyepiece
B. Mirror & magnification
C. Magnification & resolution
D. eyepiece & resolution
8. What is the science of investigating small objects and structures?
A. autopsy
B. colonoscopy
C. endoscopy
D. microscopy
9. How does a mirror help in studying the specimen in a microscope?
A. It cleans the coverslip.
B. It cleans the glass slide.
C. It gives light directly to the eyes of the user.
D. It reflects light to illuminate the specimen.
10. Why is it necessary for the specimen to be observed under the microscope must be thin?
A. So that the image will be clearer.
B. So that the image would be larger.
C. So that light could pass through the specimen.
D. So that the high magnification objective can be used.
1. What tool is used to help you see tiny objects and living organisms?
A. Goggles
B. Microscope
C. Stethoscope
D. Telescope
