Microbes in Human Welfare
CBSE · Class 12 · Biology
Flashcards for Microbes in Human Welfare — CBSE Class 12 Biology. Quick Q&A cards covering key concepts, definitions, and formulas.
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Explore the full setWhy are microbes not always harmful?
Answer
Not all microbes are harmful; several microbes are useful to humans in diverse ways. They help in making curd, bread, cheese, antibiotics, sewage treatment, biogas, biocontrol, and biofertilisers.
सूक्ष्मजीव हमेशा हानिकारक क्यों नहीं होते?
Answer
सभी सूक्ष्मजीव हानिकारक नहीं होते; कई सूक्ष्मजीव मनुष्यों के लिए अनेक तरीकों से उपयोगी होते हैं। वे दही, ब्रेड, चीज़, एंटीबायोटिक्स, सीवेज उपचार, बायोगैस, जैव-नियंत्रण, और जैव-उर्वरक बनाने में मदद करत…
What are lactic acid bacteria (LAB)?
Answer
Lactobacillus and related bacteria are called lactic acid bacteria, or LAB. They grow in milk, convert it into curd, increase vitamin B12 content, and also help check disease-causing microbes in the s…
लैक्टिक अम्ल बैक्टीरिया (LAB) क्या हैं?
Answer
लैक्टोबैसिलस और संबंधित बैक्टीरिया को लैक्टिक अम्ल बैक्टीरिया, या LAB, कहा जाता है। वे दूध में बढ़ते हैं, उसे दही में बदलते हैं, vitamin B12 की मात्रा बढ़ाते हैं, और पेट में रोग उत्पन्न करने वाले सूक्…
How does milk change into curd?
Answer
LAB grow in milk and produce acids that coagulate and partially digest milk proteins. A small amount of curd added as starter contains millions of LAB, which multiply at suitable temperature and conve…
दूध दही में कैसे बदलता है?
Answer
LAB दूध में बढ़ते हैं और ऐसे अम्ल बनाते हैं जो दूध के प्रोटीन्स को जमाकर आंशिक रूप से पचा देते हैं। स्टार्टेर के रूप में डाली गई थोड़ी-सी दही में लाखों LAB होते हैं, जो उपयुक्त तापमान पर तेजी से बढ़ते…
Why is curd nutritionally better than milk?
Answer
Curd has increased vitamin B12 content because of LAB activity. This improves its nutritional quality.
दही पोषण की दृष्टि से दूध से बेहतर क्यों है?
Answer
LAB की गतिविधि के कारण दही में vitamin B12 की मात्रा बढ़ जाती है। इससे उसका पोषण मूल्य बेहतर हो जाता है।…
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- 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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