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Question

Which of the following statements are true about microbes?


A

Most of the microbes can be observed through naked eyes.

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B

Blue-green algae were the first photosynthetic organisms on Earth.

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C

Penicillin is produced by fungi.

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D

Paramecium produces an antibiotic named streptomycin.

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Solution

The correct option is C

Penicillin is produced by fungi.


All microbes except certain fungi cannot be seen or observed with the naked eye. They can only be observed using a microscope. Blue-green algae, also known as cyanobacteria, were the first photosynthetic organisms on Earth. Penicillin and streptomycin are antibiotics obtained from the fungus Penicillum and the bacterium Streptomyces respectively.


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