JL 7 SCIENCE Microscope

Who were the creators of the first microscope?

• Anton van Leeuwenhoek

• Robert Hooke

• Hans and Zacharias Janssen

• Galileo Galilei

In what year did Robert Hooke publish "Micrographia"?

• 1590

• 1667

• 1675

• 1700

Who was the first person to observe bacteria using a microscope?

• Robert Hooke

• Hans Janssen

• Anton van Leeuwenhoek

• Zacharias Janssen

What was one of the main improvements in microscopy during the 18th century?

• Use of a single lens

• Combining two types of glass

• Electric illumination

• Invention of compound microscopes

What is the main purpose of a microscope?

• To enhance color

• To magnify small objects

• To produce sound

• To clean slides

Which of the following is NOT a type of light microscope?

• Compound microscope

• Simple microscope

• Electron microscope

• Dissection microscope

Which part of the microscope is responsible for holding the objective lenses?

• Nosepiece

• Stage

• Eyepiece

• Illuminator

The coarse and fine focus knobs are used for what purpose?

• Moving the stage

• Adjusting the lighting

• Focusing the microscope

• Changing objective lenses

Which of the following is a basic structural component of a compound microscope?

• Illuminator

• Eyepiece

• Objective lens

• Arm

The optical part that the observer looks through is called:

• Stage

• Eyepiece

• Nosepiece

• Condenser