Louis Pasteur, Conqueror of Disease — Flashcards
Karnataka Board · Class 10 · English
20 flashcards for Louis Pasteur, Conqueror of Disease (Karnataka Board Class 10 English) to test yourself on key terms and facts.
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What does the statement 'Louis Pasteur was not a soldier, but he was a fighter' mean?
Answer
This statement creates a metaphorical comparison. While Pasteur was not a military soldier like his father, he fought a different kind of battle - against disease and suffering. He used scientific res…
What are bacteria according to the text?
Answer
Bacteria are vegetable organisms described as 'little rod-shaped plants' that exist everywhere - in air, water, soil, and in the bodies of animals and plants. The word 'bacteria' comes from Greek mean…
How was Louis Pasteur unique as a scientist?
Answer
Pasteur was unique because he was an 'all-round' scientist who applied his research practically to help people. Unlike scientists who worked only in theory, Pasteur used his discoveries to solve real-…
Describe Pasteur's problem-solving method.
Answer
Pasteur had a unique approach to solving difficult problems. He would sit for hours in complete silence, motionless, thinking deeply about his scientific difficulties. He found this quiet contemplatio…
Define 'fermentation' and explain its importance in Pasteur's work.
Answer
Fermentation is a chemical process where substances change through the action of yeast or bacteria. Pasteur studied fermentation while investigating why milk turns sour, meat goes bad, and wine fermen…
What was the debate about 'spontaneous generation' and how did Pasteur resolve it?
Answer
The debate was whether germs form from other germs or appear by themselves. Pasteur believed germs were carried in air and infected other things through contact. Others believed in 'spontaneous genera…
Explain Pasteur's swan-neck bottle experiment and its significance.
Answer
Pasteur put soup in bottles, boiled it to destroy germs, then heated and pulled the bottle necks into long, bent tubes. The soup stayed fresh because germs couldn't reach it due to the bend acting as …
What is 'pasteurization' and why was it important?
Answer
Pasteurization is the process of heating wine, milk, or other liquids to 50-60 degrees Celsius to make germs harmless, then sealing to prevent new germs from entering. Named after Pasteur, this discov…
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Sources & Official References
- Karnataka SSLC — kseeb.kar.nic.in
- Dept of Pre-University Education, Karnataka
- National Education Policy 2020 — education.gov.in
Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.
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