Microbial Culture — Flashcards
CBSE · Class 12 · Biotechnology
84 flashcards for Microbial Culture (CBSE Class 12 Biotechnology) to test yourself on key terms and facts. Sample: "What is microbiology?"
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See them allWhat is microbiology?
Answer
Microbiology is the study of small living organisms called microorganisms. It is important in medicine, agriculture, food technology, environmental science, pharmaceutical work, and genetic engineerin…
सूक्ष्मजीवविज्ञान क्या है?
Answer
सूक्ष्मजीवविज्ञान सूक्ष्म जीवित जीवों, जिन्हें सूक्ष्मजीव कहा जाता है, के अध्ययन को कहते हैं। यह चिकित्सा, कृषि, खाद्य प्रौद्योगिकी, पर्यावरण विज्ञान, औषधि कार्य, और आनुवंशिक अभियांत्रिकी में महत्वपूर…
सूक्ष्मदर्शी किसने विकसित किया और animalcules शब्द किसने गढ़ा?
Answer
डच व्यापारी Antonie van Leeuwenhoek ने 1670s से 1680s के बीच सूक्ष्मदर्शी विकसित किया। उन्होंने सूक्ष्म जीवों को देखा और उनके लिए animalcules शब्द गढ़ा।…
Who developed the microscope and coined the term animalcules?
Answer
Antonie van Leeuwenhoek, a Dutch merchant, developed the microscope in the 1670s to 1680s. He observed microscopic organisms and coined the term animalcules for them.
What did Lazzaro Spallanzani observe in boiled broth?
Answer
He observed that boiled broth had no microscopic forms of life. This supported the idea that microorganisms did not arise from lifeless matter on their own.
Lazzaro Spallanzani ने उबाले हुए शोरबे में क्या देखा?
Answer
उन्होंने देखा कि उबाले हुए शोरबे में जीवन के कोई सूक्ष्म रूप नहीं थे। इससे इस विचार का समर्थन हुआ कि सूक्ष्मजीव निर्जीव पदार्थ से अपने आप उत्पन्न नहीं होते।…
Louis Pasteur ने हंस-गर्दन वाले फ्लास्क प्रयोगों से क्या सिद्ध किया?
Answer
Louis Pasteur ने spontaneous generation को असिद्ध किया और germ theory of disease का प्रतिपादन किया। उनके प्रयोगों ने दिखाया कि सूक्ष्मजीव बाहर की हवा से आते हैं और संक्रामक रोग पैदा करते हैं।…
What did Louis Pasteur prove with swan-neck flask experiments?
Answer
Louis Pasteur disproved spontaneous generation and postulated germ theory of disease. His experiments showed that microorganisms came from outside air and caused infectious diseases.
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Sources & Official References
- NCERT Official — ncert.nic.in
- CBSE Academic — cbseacademic.nic.in
- CBSE Official — cbse.gov.in
- National Education Policy 2020 — education.gov.in
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