Class 8 Science — Microorganisms: Friend and Foe Important Questions with Answers (Long answers)
Class 8 Science is the year force, pressure, friction and sound become numerical-friendly, while crop science and microbes stay descriptive. The rationalized book is shorter than older reprints; this hub follows the surviving chapters so you do not revise a deleted lesson for a 2026 periodic test. “Force and pressure class 8 important questions” and “microorganisms friend and foe MCQ” are the search lines these chips answer. Hidden keys, twenty questions a screen.
Microorganisms: Friend and Foe — सूक्ष्मजीव: मित्र एवं शत्रु
Bacteria, fungi, protozoa, algae and viruses (borderline) — five groups. Nitrogen fixation, curd, antibiotics and vaccine sit on the friend side; cholera, rust of wheat and food spoilage on the foe side. Preservation: salt, sugar, oil, heat, cold. A pathogen is not every microbe. Write one friend and one foe with the correct group name. You are on Microorganisms: Friend and Foe (Long answers), page 1 of 1 — 2 questions in this filter. Long answers model a five-mark write-up: definition, reason, one diagram or equation idea, and a closing line. Do not copy the whole block in the exam; steal the order. This view is for the night before a unit test. Phone layout: chapter chips scroll sideways, answers stay inside a tap, and the next page is a numbered link so Google and students both get a short URL. Updated for 2026 classroom practice on the rationalized NCERT.
Microorganisms: Friend and Foe का दीर्घ उत्तर: परिभाषा, तंत्र/सूत्र, उदाहरण, सावधानी।
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परिचय: Microorganisms: Friend and Foe Class 8 science का पाठ।
तंत्र: NCERT के 3 चरण।
उदाहरण: पुस्तक वाला।
सावधानी: गलत माध्यम/गलत अभिकर्मक/गलत आरेख लेबल से बचें।
Q.22LongMicroorganisms: Friend and Foe
Class 8 Science — Microorganisms: Friend and Foe पर एक unit-test उत्तर लिखें (परिचय, 4 बिंदु, निष्कर्ष)।
View the correct answer
Bacteria, fungi, protozoa, algae and viruses (borderline) — five groups. Nitrogen fixation, curd, antibiotics and vaccine sit on the friend side; cholera, rust of wheat and food spoilage on the foe side. Preservation: salt, sugar, oil, heat, cold. A pathogen is not every microbe. Write one friend and one foe with the correct group name.
चार बिंदु: (1) NCERT परिभाषा/सूत्र/घटना। (2) एक उदाहरण या आरेख-विचार। (3) एक तुलना या कारण। (4) एक साधारण संख्यात्मक या उद्धरण यदि पाठ माँगता है।
निष्कर्ष: उत्तर अध्याय-सत्य रखें — बोर्ड की डेटशीट यहाँ नहीं गढ़ी गई।
People also ask — Class 8 Science
Class 8 Science में कितने प्रश्न हैं? 156 महत्वपूर्ण प्रश्न: 86 MCQ, 43 लघु, 27 दीर्घ। NCERT विज्ञान के rationalized अध्याय।
उत्तर कहाँ हैं? हर प्रश्न के नीचे View the correct answer दबाएँ। पहले स्वयं लिखें, फिर मिलाएँ। MCQ में सही विकल्प और एक पंक्ति की व्याख्या है।
पेज क्यों बँटे हैं? एक स्क्रीन पर 20 प्रश्न। बाकी Page 2, 3 पर — फोन पर स्क्रॉल छोटा रहता है। यह पेज 1/1 है।
Microorganisms: Friend and Foe क्यों महत्वपूर्ण है? Bacteria, fungi, protozoa, algae and viruses (borderline) — five groups. Nitrogen fixation, curd, antibiotics and vaccine sit on the friend side; cholera, rust of wheat and food spoilage on the foe side. Preservation: sa…
