NCERT Class 9 Science Why Do We Fall Ill Questions

Read and download NCERT Class 9 Science Why Do We Fall Ill Questions in NCERT book for Class 9 Science. You can download latest NCERT eBooks chapter wise in PDF format free from Studiestoday.com. This Science textbook for Class 9 is designed by NCERT and is very useful for students. Please also refer to the NCERT solutions for Class 9 Science to understand the answers of the exercise questions given at the end of this chapter

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

Class 9 Science students should refer to the following NCERT Book Chapter 13 Why Do We Fall Ill? in Class 9. This NCERT Book for Class 9 Science will be very useful for exams and help you to score good marks

Chapter 13 Why Do We Fall Ill? NCERT Book Class 9

WHY DO WE FALL ILL

1. Which one of the following is not a viral disease?

(a) Dengue

(b) AIDS

(c) Typhoid

(d) Influenza

2. Which one of the following is not a bacterial disease?

(a) Cholera

(b) Tuberculosis

(c) Anthrax

(d) Influenza

3. Which one of the following disease is not transmitted by mosquito?

(a) Brain fever

(b) Malaria

(c) Typhoid

(d) Dengue

4. Which one of the following disease is caused by bacteria?

(a) Typhoid

(b) Anthrax

(c) Tuberculosis

(d) Malaria

5. Explain giving reasons

(a) Balanced diet is necessary for maintaining healthy body.

(b) Health of an organism depends upon the surrounding environmental conditions.

(c) Our surrounding area should be free of stagnant water.

(d) Social harmony and good economic conditions are necessary for good health.

6. What is a disease? How many types of diseases have you studied? Give examples.

7. What do you mean by disease symptoms? Explain giving two examples?

8. Why is immune system essential for our health?

9. What precautions will you take to justify “prevention is better than cure”.

10. Why do some children fall ill more frequently than others living in the same locality?

11. Why are antibiotics not effective for viral disease?

12. Becoming exposed to or infected with an infectious microbe does not necessarily mean developing noticeable disease. Explain.

13. Give any four factors necessary for a healthy person.

14. Why is AIDS considered to be a ‘Syndrome’ and not a disease?


Please refer to attached file for NCERT Class 9 Science Why Do We Fall Ill Questions

NCERT Book Class 9 Science Chapter 13 Why Do We Fall Ill?

The above NCERT Books for Class 9 Science Chapter 13 Why Do We Fall Ill? have been published by NCERT for latest academic session. The textbook by NCERT for Chapter 13 Why Do We Fall Ill? Science Class 9 is being used by various schools and almost all education boards in India. Teachers have always recommended students to refer to Chapter 13 Why Do We Fall Ill? NCERT etextbooks as the exams for Class 9 Science are always asked as per the syllabus defined in these ebooks. These Class 9 Chapter 13 Why Do We Fall Ill? book for Science also includes collection of question. Along with Science Class 9 NCERT Book in Pdf for Chapter 13 Why Do We Fall Ill? we have provided all NCERT Books in English Medium for Class 9 which will be really helpful for students who have opted for english language as a medium. Class 9 students will need their books in English so we have provided them here for all subjects in Class 9.

Where can I download latest NCERT Book for Class 9 Science Chapter 13 Why Do We Fall Ill?

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Can I download the NCERT Books of Class 9 Science Chapter 13 Why Do We Fall Ill? in Pdf

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