Biology plays a vital role in improving the quality of human life and maintaining a healthy society. The unit “Biology and Human Welfare” in Class 11th JAC focuses on the application of biological knowledge in human health, disease control, and the use of microbes in industries. This chapter connects biology to real-life issues like diseases, food production, and public health.
Key Areas of Study
1. Common Human Diseases
- Bacterial Diseases – Tuberculosis, Typhoid, Pneumonia.
- Viral Diseases – Common cold, Dengue, Polio, AIDS.
- Protozoan Diseases – Malaria, Amoebiasis.
- Helminthic Infections – Ascariasis, Filariasis.
Students learn about the causes, symptoms, modes of transmission, and preventive measures of these diseases.
2. Principles of Treatment and Prevention
- Treatment – Use of antibiotics, antivirals, and antiparasitic drugs.
- Prevention – Vaccination, improved sanitation, awareness programs, and healthy lifestyle choices.
- Immunity – Understanding innate and acquired immunity, vaccines, and the role of antibodies.
3. Role of Microbes in Human Welfare
Microorganisms are not always harmful; many are beneficial in various fields:
- Industrial Uses – Production of alcohol, antibiotics, enzymes.
- Food Industry – Yogurt, cheese, bread, and beverages.
- Agriculture – Biofertilizers (Rhizobium, Azotobacter), biopesticides.
- Sewage Treatment & Biogas Production – Microbes in waste management and renewable energy.
4. Drugs and Alcohol Abuse
The chapter also spreads awareness about drug addiction and alcohol abuse, their harmful effects on the body, and the need for preventive education among youth.
Importance of the Chapter
- Builds awareness about personal and community health.
- Encourages the use of scientific knowledge in controlling diseases.
- Highlights the positive role of microbes in daily life.
- Educates students on the social and biological impacts of drug abuse.
✅ In conclusion, Biology and Human Welfare in Class 11th JAC connects biological concepts with real-world challenges, aiming to create responsible, health-conscious, and environmentally aware citizens.
For More Information and Updates, Connect With Us
- Name: Survi
- Phone Number: +91-7488713635
- Email ID: survi@eepl.me
- Our Platforms:
- Digilearn Cloud
- EEPL Test
- Live Emancipation
- Follow Us on Social Media:
- Instagram – EEPL Classroom
- Facebook – EEPL Classroom
- https://eepl.me/blogs/
Stay connected and keep learning with EEPL Classroom!
