History of Cell Theory and Spontaneous Generation

Front

Who was the earliest recorded scholar to articulate the theory of spontaneous generation?

Back

Aristotle

Front

What did Jan Baptista Van Helmont propose about the origin of mice?

Back

Mice could arise from rags and wheat kernels left in an open container for 3 weeks.

Front

What did Francesco Redi demonstrate about maggots on decaying meat?

Back

Maggots originated from flies laying eggs, not from the meat itself.

Front

What was John Needham's experiment and its outcome?

Back

He boiled broth infused with plant or animal matter, hoping to kill all pre-existing microbes, but observed that the broth became cloudy with numerous microbes.

Front

What did Lazzaro Spallanzani prove in relation to spontaneous generation?

Back

He proved that there are NO signs of spontaneous generation.

Front

What did Louis Pasteur study and what was his conclusion about spontaneous generation?

Back

He studied microbial fermentation and concluded that spontaneous generation is NOT true.

Front

What was Robert Hooke's focus in his studies?

Back

The structure of cells.

Front

What did Antoine Van Leeuwenhoek observe?

Back

Red blood cells, sperm, and a myriad of microorganisms.

Front

What did Robert Brown discover?

Back

The nucleus.

Front

What did Felix Dujardin discover and name in 1835?

Back

He discovered and named 'sarcode', identified as the living substance within cells.