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CBSE Class 8  >  Class 8 Notes  >  Science Curiosity - New NCERT  >  Quiz PPT: Diseases

Quiz PPT: Diseases

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FAQs on Quiz PPT: Diseases

1. What are infectious diseases?
Ans. Infectious diseases are illnesses caused by pathogenic microorganisms, such as bacteria, viruses, fungi, or parasites. These diseases can be transmitted from one individual to another through various means, including direct contact, contaminated surfaces, or airborne particles. Common examples include influenza, tuberculosis, and COVID-19.
2. How do non-infectious diseases differ from infectious diseases?
Ans. Non-infectious diseases are not caused by pathogens and cannot be transmitted from person to person. They are often caused by genetic factors, environmental influences, lifestyle choices, or chronic conditions. Examples include diabetes, heart disease, and cancer. Unlike infectious diseases, non-infectious diseases typically develop over time and require different management strategies.
3. What role does hygiene play in preventing diseases?
Ans. Hygiene plays a crucial role in preventing both infectious diseases and the spread of pathogens. Good hygiene practices, such as regular handwashing, maintaining cleanliness in living spaces, and proper food handling, help reduce the risk of infections. By minimising exposure to harmful microorganisms, individuals can protect their health and reduce disease incidence.
4. What are vaccines and how do they work?
Ans. Vaccines are biological preparations that provide immunity against specific infectious diseases. They contain weakened or inactivated parts of the pathogen, or a blueprint for producing antigens. When administered, vaccines stimulate the immune system to recognise and fight off the pathogen, thereby preventing future infections. Vaccination has been instrumental in controlling and eradicating various diseases.
5. Why is it important to understand the symptoms of diseases?
Ans. Understanding the symptoms of diseases is important for early detection and timely treatment. Recognising symptoms can help individuals seek medical attention promptly, which can lead to better health outcomes. Additionally, awareness of symptoms can assist in preventing the spread of infectious diseases by encouraging individuals to isolate and seek care if they are unwell.
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Apr 22, 2026 Last updated
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Document Description: Quiz PPT: Diseases for Class 8 2026 is part of Science Curiosity Class 8 - New NCERT preparation. The notes and questions for Quiz PPT: Diseases have been prepared according to the Class 8 exam syllabus. Information about Quiz PPT: Diseases covers topics like and Quiz PPT: Diseases Example, for Class 8 2026 Exam. Find important definitions, questions, notes, meanings, examples, exercises and tests below for Quiz PPT: Diseases.
Introduction of Quiz PPT: Diseases in English is available as part of our Science Curiosity Class 8 - New NCERT for Class 8 & Quiz PPT: Diseases in Hindi for Science Curiosity Class 8 - New NCERT course. Download more important topics related with notes, lectures and mock test series for Class 8 Exam by signing up for free. Class 8: Quiz PPT: Diseases
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Quiz PPT: Diseases of Science Curiosity Class 8 - covers important aspects of the topic & is important for the Class 8 exam. Download the presentation on EduRev.
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In this doc you can find the meaning of Quiz PPT: Diseases defined & explained in the simplest way possible. Besides explaining types of Quiz PPT: Diseases theory, EduRev gives you an ample number of questions to practice Quiz PPT: Diseases tests, examples and also practice Class 8 tests
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Quiz PPT: Diseases Notes

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