NCERT Solutions for Class 9 Science Chapter 13 - Free PDF Download
NCERT Solutions for Class 9 Science Chapter 13 - Why Do We Fall Ill
FAQs on NCERT Solutions for Class 9 Science Chapter 13 - Why Do We Fall Ill
1. Why do you Need Class 9 Biology Chapter 13 NCERT Solutions?
The Biology questions focus on the concepts mentioned in the chapters. Your answer has to be precise. Hence, following NCERT Solutions Class 9 Science Chapter Why Do We Fall Ill at the initial level will help you understand the format for answering. You will be able to answer all questions without wasting time and score higher.
2. How can I Score Well by Using NCERT Solutions Class 9 Science Why Do We Fall Ill?
The reason for using the NCERT Biology solution is to gain proper knowledge regarding the new concepts of the chapter and how to use them to answer by following the CBSE guidelines. Every answer format in the solutions provided by Vedantu follows the latest CBSE rules.
3. What is the Way to Save Time While Answering Class 9 Biology Chapter 13 Questions in an Exam?
When you follow NCERT Solutions for Class 9 Biology Chapter Why Do We Fall Ill, you will find how precise the answers are. Focus on using the right concept and stay within the specified word limit to save time.
4. Where can I get the NCERT Solution for Class 9 Science?
Vedantu provides quality answers while strictly adhering to the CBSE pattern and guidelines. It is the best place for chapter-wise NCERT Solutions of Class 9 Science. The study material and solutions provided here are prepared by expert teachers of Vedantu. The Solution PDFs can be downloaded free of cost from the vedantu website. All the study material is also available on the vedantu app. Follow these NCERT Solutions to score higher than before and make your exam preparation more well-structured.
5. What are the topics and subtopics present in Chapter 13 of NCERT Solutions for Class 9 Science?
Vedantu's NCERT Solutions for Class 9 Science, Chapter 13, 'Why Do We Fall Ill' covers all the major topics from an examination point of view. There are solutions to exercises covering all the units and basic concepts related to Health, The Difference Between Being Healthy and Disease-free, Disease and Its Causes, Types Of Diseases- Infectious and Non-infectious Diseases, Communication Of Diseases, Treatment, Microorganisms, Antibiotics etc.
6. What is Immunisation?
One of the specific ways to prevent the spread of infectious diseases is through immunisation. Immunisation is a process through which the immunized person develops antibodies that provide resistance against particular diseases. This resistance is developed through vaccination. A vaccine is a dose of specialized medication that helps fight certain diseases by stimulating the immune system of the vaccinated person.
7. What do you mean by symptoms of the disease?
The symptom of a disease refers to the physical or mental problem experienced by a person that may indicate a disease or a health condition. In simple words, a symptom is an indicator of the disease. They cannot be seen and they do not show up on medical tests. For instance, some symptoms of Malaria are fever, nausea and muscle pain. Similarly, symptoms of Typhoid are fever, loss of appetite and abdominal pain.
8. Why do you fall ill according to the Class 9 Science Syllabus?
Generally, we fall ill due to either immediate or contributory causes of illness. The organisms (pathogens) entering our body and causing the disease are called the immediate cause. For example, microorganisms like viruses, bacteria, protozoa etc. are the immediate causes of illness. Contributory causes are the secondary factors that lead these pathogens or organisms to enter our bodies. For instance, dirty water, contaminated food, improper nourishment, poor standard of living, etc. are the contributory causes of illness.