Science

Micro-Organisms : Friend Or Foe

Question:

What are antibiotics? What precautions must be taken while taking antibiotics?

Answer:

Antibioticsare medicines produced by certain micro-organisms to kill other diseasecausing micro-organisms. These medicines are commonly obtained from bacteria and fungi. Streptomycin, tetracycline, penicillin, etc. are common antibiotics.
Precautions to be taken while using antibiotics:
(i) Antibiotics should be taken under the supervision of a well qualified doctor.
(ii) Course (intake) of antibiotics should be completed as per the prescription given by the doctor.
(iii) 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.
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Micro-Organisms : Friend Or Foe

Q 1.

What are the major groups of microorganisms?

Q 2.

Can microorganisms be seen with the naked eye? If not how can they be seen?

Q 3.

Name the microorganisms which can fix atmospheric nitrogen in the soil.

Q 4.

Write 10 lines on the usefulness of microorganisms in our lives.

Q 5.

What are antibiotics? What precautions must be taken while taking antibiotics?

Q 6.

Write a short paragraph on the harms caused by microorganisms.