Precautions to be taken while
Can
naked
Mieroorganisms be seen with the
eye? If not how can
you seen?
2. List out microorganism?
3. Name the organisms which can fix the
atmospheric nitrogen?
4°
lo lines usefulness of microorganism
Effects harmful microorganisms
5.
6
What ate antibiotic ? What
taking antiboltics.
Answers
Answer:
Do you know that microorganism is Corona
Answer:
Q1) Precautions to be taken while using antibiotics are:
Antibiotics should be taken in the right amount and at the right time. A wrong dose of antibiotics makes the drug ineffective. Also, excessive consumption of drugs may kill the useful bacteria present in our body.
Q2) Microscope.
Q3) Microorganisms:-
Protozoa
some algae
bacteria
fungi
Q4) Rhizobium
Q5) 1.Penicillium, a fungi is used to produce antibiotics like penicillin.
2. Rhizobium helps in nitrogen fixation in soil and thus, increases the fertility of the soil.
3. Yeast is widely used in bakery for making fluffy bread and cake.
4. Blue green algae carry out nitrogen fixation.
5. Lactobacillus is used in dairy industries for setting of curd and in cheese making.
6. Many microbes carry out decomposition of dead remains of plants and animals.
7. Spirulina, yeast are used as single cell proteins (supplemetary food).
8. Yeast is used on commercial basis for the production of alcohol via fermentation.
9. Processing and ageing of cheese is carried out by microorganisms.
10. Some microroganisms are used as a probiotic (live bacteria and yeasts that are good for digestive system and maintain good health of the host). They are called as 'good' or 'useful' bacteria.
Q6) These are few ways that a microbe can be harmful.
1 Spoilage of food
2 Diseases in humans and animals.
3 Biodeterioration of manuscripts and old monuments
4 Viruses can lead to activation of oncogenes leading to cancer.
5 Bioweapons
6 Spoilage of leather
7 Increase growth of algae leads to decrease in oxygen in water bodies and this can be threat to aquatic life.
8 They form biofilms which can be a nuisance like plaque formed in teeth.
9 Diseases in plants like smuts and rusts which leads to high agricultural losses.
10 Some bacteria produce chemical compounds called toxins which are harmful like botulinum toxin.
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