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History of Cell Theory

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Questions and Answers

What is the basic unit of all organisms?

Organism

Tissue

Cell (correct)

Organ

What was the main idea behind the Spontaneous Generation Theory?

All living organisms are made up of cells

Inanimate objects can never give rise to living organisms

Living organisms originate from inanimate objects (correct)

Living organisms originate from other living organisms

What was the main conclusion drawn from Francesco Redi's experiment?

Flies can arise from meat through spontaneous generation

Maggots can only arise from flies, not from meat (correct)

Maggots can arise from meat through spontaneous generation

Meat can never give rise to maggots

According to Lazaro Spallanzani's experiment, what is the source of bacteria in broth?

The air Signup and view all the answers

What was the result of Louis Pasteur's experiment with the swan-necked flask?

The broth spoiled and changed color Signup and view all the answers

What was the contribution of George Friedrich Schroder and Theodor van Dusch to the understanding of spontaneous generation?

They demonstrated that microorganisms can be filtered out of the air Signup and view all the answers

Who is considered the Father of Microscopy?

Antonie Van Leeuwenhoek Signup and view all the answers

What is the term coined by Robert Brown in 1827-1833?

Nucleus Signup and view all the answers

Which of the following is a characteristic of Prokaryotes?

Lack of nucleus and membrane-bound organelles Signup and view all the answers

What is the primary function of the plasma membrane?

To act as a selective barrier for the import and export of materials Signup and view all the answers

What is the difference between Autotrophs and Heterotrophs?

Autotrophs manufacture their own food while Heterotrophs derive energy from other organisms Signup and view all the answers

What is the main difference between Prokaryotes and Eukaryotes?

Presence of internal, membrane-bound structures Signup and view all the answers