2. Disproving Spontaneous Generation

Which of the following cannot be an explanation of the microorganisms present in Needham's flasks?

Which of the following individuals argued in favor of the theory of spontaneous generation?

Spallanzani set out to disprove spontaneous generation by, however his findings were not accepted by all. Why did some scientists disprove his findings?

Needham performed an experiment by boiling chicken broth, placing it in a sterile flask, and then sealing the flask. After a few days, he observed microorganism growth in the flask. What was the major flaw of his experiment?

Spallanzani’s conclusion about spontaneous generation was challenged because Antoine Lavoisier had just shown that oxygen was the vital component of air. Which of the following statements is true?

a. All life requires air.

b. Only disease-causing organisms require air.

c. Some microbes do not require air.

d. Pasteur kept air out of his biogenesis experiments.

e. Lavoisier was mistaken.

Which of the following favored the theory of spontaneous generation?

a. Spallanzani

b. Needham

c. Pasteur

d. Koch