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Microorganisms: Friend and Foe 7. The algae commonly used as fertilizers are(a) Staphylococcus(b) diatoms(c) blue-green algae(d) none of these8. Antibiotics are effective against which of the following?(a) Fungi(b) Virus(c) Bacteria(d) All of these9. Diphtheria is caused by(a) virus(b) fungi(c) bacteria(d) algae10. Which of the following is the smallest microorganism?(a) Bacterium(b) Protozoan(c) Virus(d) Alga |
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