Answer: C. Pasteur tested for microorganisms, but Redi studied larger organisms.
Explanation:
Redi had conducted experiment with spoiling meat; Pasteur experimented with broth. Redi discredited spontaneous generation for huge life forms by delineating that the maggots emerged from meat just when flies laid eggs in the meat.
Pasteur utilized his celebrated swan-neck flask experiment, to part of the discussion. On his experiment air is permitted to contact the broth. Microorganisms present in the residue were not ready to explore the convoluted curves in the neck of the flask.
(B.) Redi experimented with rotting meat; Pasteur experimented with broth.
