NCERT Grade 9 Chapter 13, Why Do We Fall Ill? is a part of Unit II, Organization in the Living World. The solutions given for the exercises in this chapter will help the student to move ahead and understand the notions of health and diseases.The topic Health and its Failure including The Significance Of ‘Health’, Personal And Community Issues Both Matter For Health, Distinctions Between ‘Healthy’ And ‘Disease-Free’explains the concept of health as a state of being well enough to function well physically, mentally and socially. The solutions given for the questions asked for these topics are simple, precise and comprehensive.
The topic Disease and Its Causes includes what does disease look like? Acute and chronic diseases, chronic diseases and poor health, causes of diseases, infectious and non-infectious causes. All these topics are explained with the help of simplified content, out of the box information and interactive activities.The learners can master these topics by following and practicing the fully solved step by step solutions that serve as a guide.
NCERT Grade 9 Chapter 13, Why Do We Fall Ill? also helps the students to understand topics such as Infectious Diseases including, Infectious agents, means of spread, organ-specific and tissue specific manifestations, principles of treatment, principles of prevention. The solutions given for the questions related to these topics are not only limited to their study of diseases but will help the students to understand the signs, symptoms, preventive measures and line of treatment as well for these diseases. The solutions to the questions mentioned in between and at the end of the chapter are framed by our subject matter experts and comprises step by step answer to all the problems.Unit II, Organization in the Living World holds 20 marks of weightage in the final examination of Grade 9 according to the latest pattern.
Get 100 percent accurate NCERT Solutions for Class 9 Science Chapter 13 (Why Do We Fall ill) explained by expert Science teachers. We provide solutions for the questions given in Class 9 Science textbook as per CBSE Board guidelines from the latest NCERT book for Class 9 Science. The topics and sub-topics in Chapter 13 Why Do We Fall ill are given below.
Ex 13.1 - Health and its Failure
Ex 13.1.1 - THE SIGNIFICANCE OF ‘HEALTH’
Ex 13.1.2 - PERSONAL AND COMMUNITY ISSUES BOTH MATTER FOR HEALTH
Ex 13.1.3 - DISTINCTIONS BETWEEN ‘HEALTHY’ AND ‘DISEASE-FREE’
Ex 13.2 - Disease and Its Causes
Ex 13.2.1 - WHAT DOES DISEASE LOOK LIKE?
Ex 13.2.2 - ACUTE AND CHRONIC DISEASES
Ex 13.2.3 - CHRONIC DISEASES AND POOR HEALTH
Ex 13.2.4 - CAUSES OF DISEASES
Ex 13.2.5 - INFECTIOUS AND NON-INFECTIOUS CAUSES
Ex 13.3 - Infectious Diseases
Ex 13.3.1 - INFECTIOUS AGENTS
Ex 13.3.2 - MEANS OF SPREAD
Ex 13.3.3 - ORGAN-SPECIFIC AND TISSUESPECIFIC MANIFESTATIONS
Ex 13.3.4 - PRINCIPLES OF TREATMENT
Ex 13.3.5 - PRINCIPLES OF PREVENTION.
We cover all exercises in the chapter given below:-
EXERCISE 13.1 - 3 Questions with Solutions
EXERCISE 13.2 - 2 Questions with Solutions
EXERCISE 13.3 - 5 Questions with Solutions
EXERCISE 13.4 - 6 Questions with Solutions.
Other than given exercises, you should also practice all the solved examples given in the book to clear your concepts on Why Do We Fall ill. Download the free PDF of Chapter 13 Why Do We Fall ill and take the print out to keep it handy for your exam preparation.