NCERT Solutions for Class 9 Science Chapter 13- Why Do We Fall Ill?

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NCERT solutions for Class 9 science at BYJU’S renders students with accurate solutions to all the exercise and in-text questions provided in the NCERT Class 9 textbook that aligns with the CBSE board. Here, students are provided with the ultimate study material, the NCERT Class 9 solutions that are executed by a team of subject matter experts with thorough knowledge of the subject. Referring and solving these solutions is ought to be one of the best ways to crack examinations and score outstanding marks.

The solutions are solved skillfully with the use of an easily comprehensible language in order for the class 9 students to understand the concepts while learning which helps them understand thus promoting active learning and concept learning. The solutions provided are reviewed by the expert team and carefully designed to score maximum marks on the lines of CBSE exam.

The NCERT solutions assist to get familiarized with the textbook. These solutions are easily accessible and completely reliable with step-by-step instructions to understand solutions in the most simplified manner. Practicing solutions is one of the most appropriate strategies to outperform in examinations.

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NCERT Solutions For Class 9 Science Chapter 13 Why Do We Fall ill Part 1
NCERT Solutions For Class 9 Science Chapter 13 Why Do We Fall ill Part 2
NCERT Solutions For Class 9 Science Chapter 13 Why Do We Fall ill Part 3
NCERT Solutions For Class 9 Science Chapter 13 Why Do We Fall ill Part 4
NCERT Solutions For Class 9 Science Chapter 13 Why Do We Fall ill Part 5

NCERT Solutions for class 9 Science Chapter 13 – Why Do We Fall Ill?

Why Do We Fall Ill? Is the 13th chapter in the NCERT Class 9 Science textbook which deals with the various notions of health, diseases, types of diseases and the precautionary measures for various diseases. The weightage for this chapter is 3 marks as observed from the question papers of previous years and is expected to hit the same pattern this time around wherein a 3 marker question is expected to appear. Consequently, to score optimum marks, students are advised to practice NCERT solutions.

In-depth knowledge of all the concepts of this chapter will help students to achieve allocated marks which would significantly contribute to the final marks scored in the examination. The questions are picked from the NCERT textbook prescribed by the CBSE board, hence chances of these questions appearing in the examination are the highest. As a result, solutions are prepared in accordance.

List of subtopics covered in Chapter 4 – Structure Of The Atom:

Number

Subtopic

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

List of Exercise

Number 13.1 – 13.1.3 3 Question ( 3 short)

Number 13.1.4 -13.2.5 2 Question ( 2 short)

Number 13.3.5 5 Question ( 5 short)

Exercise Solutions 3 Question ( 2 long, 1 short)

Exercise Solutions 3 Question ( 1 long, 2 short)

NCERT Solutions for class 9 Science Chapter 13 – Structure of the Atom

In this chapter, we learn about different aspects of health right from the definition to the treatment of various diseases. Also discussed are the different types of diseases such as infectious and non-infectious diseases along with distinguishing between healthy and disease-free.

Through this chapter, we learn about the causes of diseases, the pathogens, different vectors carrying diseases and how we are inflicted with diseases due to our physical surroundings. The unit also briefs about the various treatment methods and the importance of public health as well as personal hygiene through immunization and various other means.

Key Features of NCERT Solutions for class 9 Science Chapter 13 – Why do we fall ill?

  • NCERT solutions for the chapter ‘Why do we fall ill?’ has been answered by extracting the most important and relevant information pertaining to the question
  • Solutions are to the point and crisp
  • Use of pointers to learn quickly and remember easily
  • Solutions have been designed in such a way so as to fetch optimum marks
  • Use of tabular columns wherever necessary