Directions: Read each item carefully. Write only the letter of the correct answer for each question. Write your answer on your activity notebook. 1. What tool is used to help you see tiny objects and living organisms?

A. Goggles

B. Microscope C. Stethoscope

D. Telescope

2. Who invented the first compound microscope?

A. Isaac Newton B. Robert Hooke

C. Alexander Graham Bell

D. Hans & Zacharias Janssen

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CO Q2 Science7_Modulel

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

For items 4 to 6, use the letters in the figure to answer the questions.

4. What part moves the body tube and objectives up and down?

A. Part A

B. Part B

C. Part H

D. Part I

Which part makes possible the changing of the objectives?

A. Part I

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

5.

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CO Q2 Science7_Modulel

8. What is the science of investigating small objects and structures?

A. autopsy

B. colonoscopy

C. endoscopy

D. microscopy

9. What type of microscope uses visible light to form an image?

A. Scanning Electron Microscope (SEM)

B. Electron Microscope C. Optical Microscope

D. Transmission Electron Microscope (TEM)​