Microscope and Cell Theory

Who developed the first compound microscope?

• Zacharias Jansssen

• Robert Hooke

• Antoni van Leeuwenhoek

• Mathias Schleiden

What did Robert Hooke discover using the compound microscope?

• Cells

• Microorganisms

• Lenses

• Living things

How did Antoni van Leeuwenhoek improve Hooke's microscope?

• By adding more lenses

• By grinding lenses

• By increasing magnification

• By using a different casing

What did Antoni van Leeuwenhoek call the microorganisms he observed?

• Cells

• Animalcules

• Organisms

• Specimens

During which century did the development of cell theory take place?

• 16th century

• 17th century

• 18th century

• 19th century

Who were the scientists credited with the development of cell theory?

• Zacharias Jansssen, Robert Hooke, Antoni van Leeuwenhoek

• Robert Hooke, Mathias Schleiden, Rudolf Virchow

• Antoni van Leeuwenhoek, Theoder Schwann, Rudolf Virchow

• Mathias Schleiden, Theoder Schwann, Rudolf Virchow

What did scientists believe about the origin of organisms during the 1600s?

• Organisms came from other organisms

• Organisms generated spontaneously

• Organisms were created by humans

• Organisms were created by God

What did scientists learn about cells during the 1600s?

• Cells are the basic component of an organism

• Cells are not important for living things

• Cells are only found in animals

• Cells are made of microorganisms

How many tubes did Zacharias Jansssen's microscope have?

• One

• Two

• Three

• Four

What were the lenses used for in Janssen's microscope?

• To contain the other tubes

• To magnify the image

• To protect the specimen

• To adjust the focus