NCERT Solutions for Class 9 Science Chapter 13 Why Do We Fall ill in Hindi PDF Download
Download the Class 9 Science NCERT Solutions in Hindi medium and English medium as well offered by the leading e-learning platform Vedantu. If you are a student of Class 9, you have reached the right platform. The NCERT Solutions for Class 9 Science in Hindi provided by us are designed in a simple, straightforward language, which are easy to memorise. You will also be able to download the PDF file for NCERT Solutions for Class 9 Science in English and Hindi from our website at absolutely free of cost. You can also download NCERT Solutions for Class 9 Maths to help you to revise complete syllabus and score more marks in your examinations.
NCERT, which stands for The National Council of Educational Research and Training, is responsible for designing and publishing textbooks for all the classes and subjects. NCERT textbooks covered all the topics and are applicable to the Central Board of Secondary Education (CBSE) and various state boards.
We, at Vedantu, offer free NCERT Solutions in English medium and Hindi medium for all the classes as well. Created by subject matter experts, these NCERT Solutions in Hindi are very helpful to the students of all classes.
NCERT Solutions for Class 9 Science Chapter 13 Why Do We Fall ill in Hindi
FAQs on NCERT Solutions for Class 9 Science Chapter 13 Why Do We Fall ill in Hindi
1. What is Chapter 13 of Class 9 Science about?
"Why Do We Fall Ill?" is Chapter 13 of Class 9 Science. The chapter is about microorganisms and diseases caused by them. Also, you will come to know how these diseases are caused and what are the treatments for these diseases. The chapter also shares the definitions of health and various kinds of diseases. The talking points in this chapter are:
Why Do We Fall ill?
Health and its Failure
Disease and its Causes
2. Is it possible to download NCERT Solutions of Chapter 13 of Class 9 Science in Hindi?
Sometimes students are unable to find NCERT Solutions in Hindi. Follow these steps to download NCERT Solutions on Hindi:
Visit the page NCERT Solutions for Class 9 Science.
The Vedantu website will appear on your device screen.
That Vedantu page will show you the option of "Download PDF".
Click the option to download the PDF.
The NCERT Solutions of Chapter 13 of Class 9 Science in Hindi will be downloaded in PDF format.
Practice questions and study offline.
If you want, you can take a printout also.
3. Explain why we are advised to take nourishing and bland food when we are sick.
We fall sick when germs or bacteria enter our body and our immune system becomes weak to fight against these bacteria. During this time, our body or immune system does not function properly and gets disturbed. Because of this, our digestion system also gets disturbed. The absorption of food becomes slow in our bodies. Also, we lose appetite when we fall sick. Because of these reasons, we are advised to take bland and nourishing food as it is easy to digest and contains an adequate amount of nutrients and provides energy to your body.
4. Define the term immunization. Which immunization programs are available in the nearest health centres of your locality?
The process in which a vaccine is given to a body to boost up the immune system or to make it strong so that it can fight against bacteria or infectious diseases is known as immunization. It is a resistance of the body towards harmful microorganisms. The immunization programs that are available in the nearest health centres are Mumps, Measles and Rubella (MMR), typhoid, hepatitis B, jaundice, polio vaccine, Diphtheria, Pertussis and Tetanus ( DPT).
5. What are the various means through which the spreading of contagious infections takes place?
Following are the different means through which infectious diseases get spread:
By sexual contact - The diseases like AIDS or syphilis get transmitted through sexual contact.
Vectors - These are disease-carrying pathogens. Example: mosquito is a vector that causes protozoa.
Body fluids - Body fluids like mother's milk, blood, etc when gets infected cause diseases. Example: AIDS
Through contact - Diseases spread through an infected person. Example - skin disease, scabies, etc.
Through air - Influenza, common cold, and tuberculosis are examples of airborne diseases.
Through water and food - Contaminated food and water can cause diseases like hepatitis, cholera, and typhoid.