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Class 12 · जीव विज्ञान · 156+ Q&A

Class 12 Biology — Human Health and Disease Important Questions with Answers (Long answers)

Class 12 Biology board is reproduction, Mendel-to-DNA, evolution, human health, microbes, two biotechnology chapters, and ecology (organisms, ecosystem, biodiversity). This hub writes 150+ diagram-friendly items on the rationalized list. “Molecular basis of inheritance class 12” and “biotechnology principles MCQ” open hidden-answer practice. Twenty questions a screen; no date rumours.

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  4. 20 प्रश्न / पेज

Human Health and Disease — मानव स्वास्थ्य तथा रोग

Immunity, AIDS, cancer, drugs, and the named pathogens (Plasmodium, Entamoeba, etc.). Active versus passive; humoral versus cell-mediated. A vector is not the pathogen. Write the causative organism the question asked. You are on Human Health and Disease (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.

All Q&A MCQ test Short answers Long answers Important
All chapters 1. Sexual Reproduction in Flowering Plants 2. Human Reproduction 3. Reproductive Health 4. Principles of Inheritance and Variation 5. Molecular Basis of Inheritance 6. Evolution 7. Human Health and Disease 8. Microbes in Human Welfare 9. Biotechnology: Principles and Processes 10. Biotechnology and its Applications 11. Organisms and Populations 12. Ecosystem 13. Biodiversity and Conservation

Page 1 of 1 · 2 questions in this view

Q.67 Long Human Health and Disease

Human Health and Disease का दीर्घ उत्तर: परिभाषा, तंत्र/सूत्र, उदाहरण, सावधानी।

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परिचय: Human Health and Disease Class 12 biology का पाठ।
तंत्र: NCERT के 3 चरण।
उदाहरण: पुस्तक वाला।
सावधानी: गलत माध्यम/गलत अभिकर्मक/गलत आरेख लेबल से बचें।

Q.71 Long Human Health and Disease

Class 12 Biology — Human Health and Disease पर एक unit-test उत्तर लिखें (परिचय, 4 बिंदु, निष्कर्ष)।

View the correct answer

Immunity, AIDS, cancer, drugs, and the named pathogens (Plasmodium, Entamoeba, etc.). Active versus passive; humoral versus cell-mediated. A vector is not the pathogen. Write the causative organism the question asked.

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 12 Biology

Class 12 Biology में कितने प्रश्न हैं? 156 महत्वपूर्ण प्रश्न: 87 MCQ, 43 लघु, 26 दीर्घ। NCERT जीव 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।

Human Health and Disease क्यों महत्वपूर्ण है? Immunity, AIDS, cancer, drugs, and the named pathogens (Plasmodium, Entamoeba, etc.). Active versus passive; humoral versus cell-mediated. A vector is not the pathogen. Write the causative organism the question asked.…

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