Science7_Quarter2_Week 1 PreTest

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