Class 9 NCERT Solutions Sound

Class 9 NCERT Solutions Sound with answers available in Pdf for free download. The NCERT Solutions for Class 9 Science with answers have been prepared as per the latest syllabus, NCERT books and examination pattern suggested in Standard 9 by CBSE, NCERT and KVS. Solutions to questions given in NCERT book for Class 9 Science are an important part of exams for Grade 9 Science and if practiced properly can help you to get higher marks. Refer to more Chapter-wise Solutions for NCERT Class 9 Science and also download more latest study material for all subjects

Sound Class 9 NCERT Solutions

Class 9 Science students should refer to the following NCERT questions with answers for Sound in standard 9. These NCERT Solutions with answers for Grade 9 Science will come in exams and help you to score good marks

Sound NCERT Solutions Class 9

Class 9 NCERT Solutions Sound - NCERT Solutions prepared for CBSE students by the best teachers in Delhi. 

Class IX  Science

Chapter 13 – Why Do We Fall Ill

Question 1:

State any two conditions essential for good health.

Answer:

The twoconditions essential for good health are:

(i) An individual must have better health facilities and more professionals to deal with health problems.

(ii) All basic necessary conditions to prevent diseases must be present. For example, proper garbage collection and disposal, clearing of drains, supply of healthy drinking water, etc.

Question 2:

State any two conditions essential for being free of disease.

Answer:

The twoconditions essential for being free of diseases are:

(i) Personal hygiene and cleanliness are necessary to stay away from diseases.

(ii) Individuals should take a balanced diet that contains carbohydrates, fats, proteins, vitamins, fibres, and proper quantity of water.

Question 3:

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

Answer: 

No. The answers to the above questions may not necessarily be the same. This is because a disease free state is not the same as being healthy. Good health is the ability of an individual to realise his or her full potential. Individuals can have poor health without having any identifiable disease. Also, health is related to society and community, whereas having a disease is about an individual sick person. Hence, the conditions for good health and for being disease free can be same or even different.

Question 4:

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?

Answer:

Symptoms such as a headache, stomach pain, nausea, vomiting, fever, etc., make us feel that we are sick and must visit a doctor. These symptoms basically indicate that there might be a disease, but we cannot predict the kind of disease. Therefore, it becomes necessary to visit a doctor so that the disease can be identified and can be treated with proper medication.

However, if only one of these symptoms is present, we usually do not visit a doctor. This is because such symptoms do not have much effect on our general health and ability to work. However, if a person is experiencing these symptoms for quite sometime, then he needs to visit a doctor for proper treatment.

Question 5:

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?

Answer:

Jaundice is a disease that can cause long-term effects on our health. It is a chronic disease that lasts for a long period of time. Jaundice does not spread rapidly, but it develops slowly over a period of time. 

 

Students should free download the NCERT solutions and get better marks in exams. Studiestoday.com panel of teachers recommend students to practice questions in NCERT books and download NCERT solutions.

Tags: 

 


Click to View or Download pdf file
Click for more Science Study Material
Chapter 1 Matter In Our Surroundings
Class 9 NCERT Solutions Matter in Our Surroundings
Chapter 2 Is Matter Around Us Pure?
Class 9 NCERT Solutions Is Matter Around Us Pure
Chapter 3 Atoms and Molecules
Class 9 NCERT Solutions Atoms and Molecules
Chapter 4 Structure Of The Atom
Class 9 NCERT Solutions Structure of the Atom
Chapter 5 The Fundamental Unit Of Life
Class 9 NCERT Solutions The Fundamental Unit of Life
Chapter 6 Tissues
Class 9 NCERT Solutions Tissues
Chapter 7 Diversity In Living Organisms
Class 9 NCERT Solutions Diversity in Living Organisms
Chapter 8 Motion
Class 9 NCERT Solutions Motion
Chapter 9 Force and Laws Of Motion
Class 9 NCERT Solutions Force and Laws of Motion
Chapter 10 Gravitation
Class 9 NCERT Solutions Gravitation
Chapter 11 Work and Energy
Class 9 NCERT Solutions Work and Energy
Chapter 12 Sound
Class 9 NCERT Solutions Sound
Chapter 13 Why Do We Fall Ill?
Class 9 NCERT Solutions Why Do We Fall Ill
Chapter 14 Natural Resources
Class 9 NCERT Solutions Natural Resources
Chapter 15 Improvement In Food Resources
Class 9 NCERT Solutions Improvement in Food Resources

Latest NCERT & CBSE News

Read the latest news and announcements from NCERT and CBSE below. Important updates relating to your studies which will help you to keep yourself updated with latest happenings in school level education. Keep yourself updated with all latest news and also read articles from teachers which will help you to improve your studies, increase motivation level and promote faster learning

Board Exams Date Sheet Class 10 and Class 12

Datesheet for CBSE Board Exams Class 10  (Scroll down for Class 12 Datesheet) Datesheet for CBSE Board Exams Class 12

Class 10th and 12th Term 2 Revaluation Process 2022

Evaluation of the Answer Books is done under a well-settled Policy. To ensure that the evaluation is error free, CBSE is taking several steps. After strictly following these steps, the result is prepared. Though, CBSE is having a well-settled system of assessment,...

CBSE Term 2 Board Examinations

CBSE vide Circular No.Acad-51/2021 dated 5th July, 2021, notified that in the session 2021-2022, Board Examinations would be conducted in two terms, i.e.. Term I and Term II. This decision was taken due to the uncertainty arising out of COVID 19 Pandemic. Term I...

Celebration of Matribhasha Diwas Mother Language day

UNESCO has declared 21st February of every year to be celebrated as International Mother Language day to promote dissemination of Mother Language of all, create awareness of linguistic and cultural traditions and diversity across the world and to inspire solidarity...