Category: Class 8 Science

NCERT Solutions and important questions for Class 8 science for CBSE 2020-2021.

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Virat

Use antibiotics only when prescribed by a doctor. Complete the full course. Don’t take them for viral infections. Avoid giving antibiotics to animals. Maintain hygiene to prevent infections and reduce antibiotic need. Class 8 Science Curiosity Textbook Chapter 3 Health – ...

Virat

Antibiotic resistance develops when people take antibiotics without need, stop doses early or use them in animals. Bacteria survive, become stronger and spread. These resistant bacteria don’t respond to common medicines anymore. Class 8 Science Curiosity Textbook Chapter 3 Health – ...

Virat

Antibiotic resistance happens when bacteria become strong and stop responding to antibiotics. It makes infections harder to treat and more dangerous. Overuse or misuse of antibiotics is the main reason for this problem. class 8 science chapter 3 health the ultimate ...

Virat

Penicillin, the first antibiotic, was discovered by Alexander Fleming in 1928. He saw that a mold killed bacteria in a petri dish. This discovery changed medicine and saved millions of lives worldwide. class 8 science chapter 3 health the ultimate treasure ...

Virat

Antibiotics are medicines that kill bacteria causing infections. They don’t work against viruses. Doctors prescribe them for bacterial diseases like pneumonia or tuberculosis. Taking them wrongly can lead to antibiotic resistance, which is dangerous. class 8 science chapter 3 health the ...