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Quick Revision: Human Health & Diseases Video Lecture | Biology Class 12 - NEET

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FAQs on Quick Revision: Human Health & Diseases Video Lecture - Biology Class 12 - NEET

1. What are the common diseases caused by bacteria?
Ans. Common diseases caused by bacteria include tuberculosis, pneumonia, urinary tract infections, strep throat, and food poisoning.
2. How can viral diseases be prevented?
Ans. Viral diseases can be prevented by practicing good hygiene, such as regular handwashing, avoiding close contact with infected individuals, getting vaccinated, and maintaining a healthy lifestyle to boost the immune system.
3. What are the symptoms of a fungal infection?
Ans. Symptoms of a fungal infection may vary depending on the type of infection but can include itching, redness, swelling, rashes, blisters, and in severe cases, difficulty breathing or systemic symptoms such as fever and fatigue.
4. How do diseases spread through vectors?
Ans. Diseases spread through vectors when organisms, such as mosquitoes or ticks, transmit pathogens from one host to another. These vectors act as carriers, transferring infectious agents during feeding or biting, leading to the spread of diseases like malaria, dengue fever, Lyme disease, and Zika virus.
5. What is the difference between communicable and non-communicable diseases?
Ans. Communicable diseases are those that can be transmitted from one person to another through various means, such as direct contact, respiratory droplets, or vector bites. Non-communicable diseases, on the other hand, are not transmitted between individuals and often develop due to genetic factors, lifestyle choices, or environmental influences. Examples of non-communicable diseases include heart disease, diabetes, cancer, and asthma.
122 videos|311 docs|196 tests
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