ICSE Class 9 Biology Chapter 16 Revision Notes Diseases: Cause And Control

Click to rate this post!
[Total: 0 Average: 0]

ICSE Class 9 Biology Chapter 16 Revision Notes: Diseases: Cause And Control

 

ICSE Class 9 Biology Chapter 16 Revision Notes are one of the most important pieces of study material that students can receive as it will aid them to study better and reduce the level of stress that students face during the hectic year.

Swiflearn provides Revision Notes and keynotes chapter wise for the ICSE board exam in an easy-to-understand, free downloadable PDF format so students can use it for their studies and score better in their board exams. The ICSE Class 9 Revision Notes are made for the main subjects of Science and Maths. These core subjects are very critical as they are the stepping stones and plays a crucial role in student’s future. They might be tricky for students. The ICSE Class 9 Biology Revision Notes for each chapter will enable them to have an expert studying pattern with which they can enjoy learning the subject and perform better in the exams.

ICSE Class 9 Biology Chapter 16 Revision Notes are designed keeping in my mind the exam pattern and syllabus of NCERT 2020-21. Students can download the PDF for free and practice the questions to score well in the coming exams.

Online Tuition

ICSE Class 9 Biology Chapter 16 Revision Notes: Diseases: Cause And Control

 

Health – The state of complete physical, mental and social well-being.

Disease – A condition of the body in which the vital functions are disturbed physiologically or psychologically is called a disease.

Classification of diseases according to frequency of occurrence:-

Diseases are classified based on the frequency of occurrence:

Sporadic – occurs as scattered or individual case (example: rabies due to dog bite).
Endemic – constantly present in a population (example: common cold, goitre in sub Himalayan regions).
Epidemic – affects many people in a given area in short period (influenza, chicken pox).
Pandemic – a worldwide epidemic (H1N1 or swine flu, AIDS might be considered pandemic.

 

Diseases Cause And Control

Get Scholarships worth up to ₹100,000 with SATS Know More