NCERT Solutions for Class 9 Science Chapter 13: Why Do We Fall Ill is one of the important chapters for CBSE Class 9 exams. NCERT Solutions for Class 9 Science chapter 13 – Why Do We Fall Ill – provides students with accurate solutions to all exercises and in-text questions in the CBSE-aligned NCERT Class 9 textbook.

Referring to and solving these solutions should be one of the best ways to pass the CBSE exams with flying colours. The solutions are precisely solved using an easily understandable language for Class 9 students. This helps their understanding of the concepts, promoting active learning and concept learning. The solutions provided are reviewed by an expert team and carefully designed to achieve the highest possible score on the CBSE exam. Continue reading to learn more.

NCERT Solutions for Class 9 Science Chapter 13: Overview

Embibe offers students the NCERT Solutions for Class 9 Science Chapter 13 created by a team of experts who understand the exam pattern and the marking scheme followed by the CBSE board. These solutions will help students finish their assignments on time and in quick revision of the chapter. Before moving forward with the article, let us look into the different sections and sub-sections of this chapter:

Section	Topic Name
13.1	Health And Its Failure
13.1.1	The Significance Of ‘Health’
13.1.2	Personal And Community Issues Both Matter For Health
1.3	Distinctions Between ‘Healthy’ And ‘Disease-Free’
13.2	Disease And Its Causes
13.2.1	What Does Disease Look Like?
13.2.2	Acute And Chronic Diseases
13.2.3	Chronic Diseases And Poor Health
13.2.4	Causes Of Diseases
13.2.5	Infectious And Non-Infectious Causes
13.3	Infectious Diseases
13.3.1	Infectious Agents
13.3.2	Means Of Spread
13.3.3	Organ-Specific And Tissue-specific Manifestations
13.3.4	Principles Of Treatment
13.3.5	Principles Of Prevention.

NCERT Solutions for Class 9 Science Chapter 13: Download PDFs

Here are the solutions to in-text questions and exercises in the chapter Why do We Fall Ill. Our academic experts have solved all the solutions. If you want to study offline, then you can also download the NCERT Solutions for Class 9 Science Chapter 13 PDF.

NCERT Solutions for Class 9 Chapter 13: Solved Questions

Q.1. How many times did you fall ill in the last one year? What were the illnesses?
(a) Think of one change you could make in your habits in order to avoid any of/most of the above illnesses.
(b) Think of one change you would wish for in your surroundings in order to avoid any of/most of the above illnesses.
Solution: A disease is a factor that affects the health of a person. I fell ill thrice in the last year and suffered from the following diseases:
-Dysentery
-Viral fever
-Malaria
(a) One of the changes in my habits is that now, I always ensure and thrive on staying hygienic and eating fruits or food that is neat, covered and clean.
(b) One of the changes I wish to have in my surroundings is to prevent the amassment of garbage and
stagnation of dirty water to keep my surroundings clean, neat and hygienic.

Q.2. A doctor/nurse/health-worker is exposed to more sick people than others in the community. Find out how she/he avoids getting sick herself/himself. 
Solution: There are certain steps taken by doctors/nurses to avoid getting sick, which include the following: 

• They wear gloves and masks. 
• They undergo immunization against infectious diseases. 
• To enhance their immunity, they consume proteinaceous food. 
• They consume prophylactic medicines. 
• They ensure that the disposal of blood samples, sputum, etc., is done correctly.

Download NCERT Solutions for Class 9 Science Chapter 13 PDF

Advantages of Solving NCERT Solutions Class 9 Chapter 9

Let us look at some of the advantages of solving Embibe’s NCERT Solutions for Class 9 Chapter 9.

• Embibe’s NCERT solutions help students understand ideas and assist them in developing strategies to help them succeed in tests.
• Preparing from Embibe’s NCERT Solutions Class 9 is an excellent technique for students to grasp the chapter’s subjects.
• A detailed examination of topics is provided, along with their weighting, to aid students in their preparation.
• Our specialists develop these NCERT Solutions in a highly simplified way that students easily understand.
• Students can use these NCERT solutions for last-minute preparation or revision, starting at zero without difficulty.
• Along with scoring good marks in class 9 final exam, NCERT solutions will also help students prepare for their upcoming entrance level examinations.

NCERT Solutions for Class 9 Science Chapter 13: Summary

Health and diseases in human beings are very complex issues. As you all know, the cell is the basic unit of living organisms. Something is always inside the cell, like some complex reaction and repair. Every second, new cells are being made, and old ones are dying. Our organs always perform some functions like the heart beating, lungs breathing, the kidney filtering, etc.

The function of one organ depends on the other and if one is hampered, it will also affect the other body part. For all the organs to function properly, energy is required and energy comes from the food we eat. For cells, and tissue to function properly, we need food, and if this is not being taken care of, the body will not function properly. Read this chapter to know more about why we fall ill.

FAQs on NCERT Solutions for Class 9 Science Chapter 13

Q1. How can one score well by using NCERT Solutions for Class 9 Science Chapter 13?  
Ans. By using the NCERT Solutions for Class 9 Science Chapter 13, students can gain proper knowledge regarding the new concepts of the chapter and how to solve the intext questions and exercises present in the chapter. This ensures that you score well with a better understanding of concepts and how to attempt questions correctly.  

Q2. Are the NCERT Solutions for Class 9 Science Chapter 13 available in PDF?  
Ans. Yes, the NCERT Solutions for Class 9 Science Chapter 13 is available in PDF format. Students can download the PDF on this page itself and can study offline.  

Q3. Why referring to NCERT Solutions for Class 9 Science Chapter 13 important?  
Ans.  The NCERT Solutions for Class 9 Science Chapter 13 devised by Embibe experts will help you finish your assignments on time as well as in quick revision of the chapter. It will also help you clear your doubts on any topic and provide a clear understanding of that topic.

Q4. What are the topics and subtopics covered in Chapter 13 of NCERT Solutions for Class 9 Science?
Ans. The topics and subtopics included in the Chapter 13 of NCERT Solutions for Class 9 Science are as follows:
-13.1 Health and its failure
-13.1.1 The significance of ‘Health’
-13.1.2 Personal and community issues both matter for health
-13.1.3 The distinction between healthy and disease-free
-13.2 Diseases and its causes
-13.2.1 What does diseases look like?
-13.2.2 Acute and chronic diseases
-13.2.3 Chronic diseases and poor health
-13.2.4 Causes of diseases
-13.2.5 Infectious and non-infectious diseases
-13.3 Infectious diseases
-13.3.1 Infectious agents
-13.3.2 Means of spread
-13.3.3 Organ-specific and tissue-specific manifestations
-13.3.4 Principles of treatment
-13.3.5 Principles of prevention  

Q5. Is CBSE Class 9 Science Chapter 13 important for competitive exams?  
Ans. Yes, having a sound understanding of Science Chapter 13 will help you in exams like NEET, AIIMS and other Olympiad exams.