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NCERT solutions for Class 9 Science Textbook chapter 13 - Why do we fall Ill [Latest edition]

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Chapter 13: Why do we fall Ill

NCERT solutions for Class 9 Science Textbook Chapter 13 Why do we fall Ill [Page 178]

Q 1 | Page 178

State any two conditions essential for good health.

Q 2 | Page 178

State any two conditions essential for being free of disease.

Q 3 | Page 178

State any two conditions essential for good health and two conditions essential for being free of disease?

Are the answers to the above questions necessarily the same or different? Why?

NCERT solutions for Class 9 Science Textbook Chapter 13 Why do we fall Ill [Page 180]

Q 1 | Page 180

List any three reasons why you would think that you are sick and ought to see a doctor. If only one of these symptoms were present, would you still go to the doctor? Why or why not?

Q 2 | Page 180

In which of the following case do you think the long-term effects on your health are likely to be most unpleasant?

• If you get jaundice,

• if you get lice,

• If you get acne.

Why?

NCERT solutions for Class 9 Science Textbook Chapter 13 Why do we fall Ill [Page 186]

Q 1 | Page 186

Why are we normally advised to take bland and nourishing food when we are sick?

Q 2 | Page 186

What are the different means by which infectious diseases are spread?

Q 3 | Page 186

What precautions can you take in your school to reduce the incidence of infectious diseases?

Q 4 | Page 186

What is immunisation?

Q 5 | Page 186

What are the immunisation programmes available at the nearest health centre in your locality? Which of these diseases are the major health problems in your area?

NCERT solutions for Class 9 Science Textbook Chapter 13 Why do we fall Ill [Pages 187 - 188]

Q 1 | Page 187

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.

Q 2 | Page 187

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.

Q 3 | Page 187

Conduct a survey in your neighbourhood to find out what the three most common diseases are. Suggest three steps that could be taken by your local authorities to bring down the incidence of these diseases.

Q 4 | Page 188

A baby is not able to tell her/his caretakers that she/he is sick. What would help us to find out

(a) that the baby is sick?

(b) what is the sickness?

Q 5 | Page 188

Under which of the following conditions is a person most likely to fall sick?

(a) when she is recovering from malaria.

(b) when she has recovered from malaria and is taking care of someone suffering from chicken-pox.

(c) when she is on a four-day fast after recovering from malaria and is taking care of someone suffering from chicken-pox.

Why?

Q 6 | Page 188

Under which of the following conditions are you most likely to fall sick?

(a) when you are taking examinations.

(b) when you have travelled by bus and train for two days.

(c) when your friend is suffering from measles.

Why?

Chapter 13: Why do we fall Ill

NCERT solutions for Class 9 Science Textbook chapter 13 - Why do we fall Ill

NCERT solutions for Class 9 Science Textbook chapter 13 (Why do we fall Ill) include all questions with solution and detail explanation. This will clear students doubts about any question and improve application skills while preparing for board exams. The detailed, step-by-step solutions will help you understand the concepts better and clear your confusions, if any. Shaalaa.com has the CBSE Class 9 Science Textbook solutions in a manner that help students grasp basic concepts better and faster.

Further, we at Shaalaa.com provide such solutions so that students can prepare for written exams. NCERT textbook solutions can be a core help for self-study and acts as a perfect self-help guidance for students.

Concepts covered in Class 9 Science Textbook chapter 13 Why do we fall Ill are Health and Its Failure, Disease and Its Causes, Infectious Agents, Means of Spread, Organ-specific and Tissue-specific Manifestations, Principles of Treatment, Principles of Prevention, Health and Diseases Questions, The Significance of ‘Health', Personal and Community Issues Both Matter for Health, Distinctions Between ‘Healthy’ and ‘Disease-free’, What Does Disease Look Like?, Acute and Chronic Diseases, Chronic Diseases and Poor Health, Causes of Diseases, Infectious and Non-infectious Causes, Infectious Diseases.

Using NCERT Class 9 solutions Why do we fall Ill exercise by students are an easy way to prepare for the exams, as they involve solutions arranged chapter-wise also page wise. The questions involved in NCERT Solutions are important questions that can be asked in the final exam. Maximum students of CBSE Class 9 prefer NCERT Textbook Solutions to score more in exam.

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