1. Explain how microscopic objects can be viewed under a microscope.
2. Discuss with examples some commercial uses of microorganisms.
3. How are microorganisms useful in the field of medicine?
Answers
Answer:
1. A microscope is a instrument that magnifies objects other wise to small to be seen ,producing an image in which the object appear larger . because of the way the lenses are arranged , they can bend light to produce a much more magnified image that of magnifying glass .
2.Microorganisms can be useful in making Bread using yeast. Microorganisms can be useful in making vinegar (acetic acid). Microorganisms can be useful in making some organic medicines. Microorganisms can be useful in making Urea for soil fertility.
3.Antibiotics and vaccines
In nature, bacteria and fungi make antibiotics to eliminate their competitors. We use them now to protect ourselves, our pets, and other animals. Antibiotics don't help in the fight against viral infections. There are special anti-viral medications, but these merely stop the growth of viruses.