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Q. |
The harmful substances produced by the microbes are known as – |
A. | Antibiotics |
B. | Pollutants |
C. | Hormones |
D. | Toxins |
Answer» D. Toxins | |
Explanation: Toxins are substances created by plants and animals that are poisonous to humans. Most toxins that cause problems in humans are released by microor-ganisms such as bacteria, viruses, fungi, rickettsiae or protozoa. For example, cholera is due to a bacterial toxin. |
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