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B SHORT-ANSWER QUESTIONS : Answer in 10-15 words
1. What are the general characterise of microorganisms?
2. How do the blue-green algae and symbiotic bacteria convert atmospheric nitrogen into nitrogen compounds ?
3. What is fermentation ? Describe the commercial use of microorganisms.
4. What are the symptoms of food poisoning ? Name two microorganisms which cause food poisoning.
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Answer:
1 .
1) they are microscopic ie can only be seen by microscope.
2) are primitive type of organisms.
3) basic in structure and composition.
2.
Blue green algi have special cells called heterosists.
they can fix atmospheric nitrogen into these special cells
3.
fermentation is the process in which oxidation of organic or biological compounds happen... the microbe Baker's yeast is extensively used for production of bread...
4.
nosiya.. womitting and heabach.. also includes stomach ache and many more depending on the pethogen entered..
4.
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