CBSE Class 9 Biology Why Do We Fall Ill Worksheet

CBSE Class 9 Biology Worksheet - Why Do We Fall Ill (3)

Worksheets have become an integral part of the education system. Worksheets are very critical for every student to practice his/ her concepts. Students, teachers and parents can download all CBSE educational material and extremely well prepared worksheets from this website. All revision worksheets, Sample papers, Question banks and easy to learn study notes for all classes and subjects have been prepared based on the latest guidelines sent by CBSE. All CBSE educational material is developed by our panel of teachers, have also been submitted by thousands of teachers and students. The study material has been carefully compiled by the best teachers in India. Worksheets have been submitted by teachers of various CBSE schools and also have been carefully developed keeping into consideration the latest CBSE syllabus.

VERY SHORT ANSWER QUESTIONS:

Q1. What is health?

Q2. Expand WHO.

Q3. What is disease?

Q4. How has WHO defined health?

Q5. Whom will you call disease free?

Q6. What do you mean by symptoms of a disease?

Q7. What is an acute disease?

Q8. Define chronic disease.

Q9. What is an infectious disease.?

Q10. Give one example each of diseases caused by bacteria and virus.

Q11. Expand HIV.

Q12. Name the target organ of Japanese encephalitis and AIDS virus.

Q13. Expand DPT.

Q14. What may be the symptoms of a disease when brain is infected?

Q15. Define vaccination.

Q16. Name any two modes of transmission of AIDS.

Q17. Name any two animals which transmit rabies to humans.

Q18. Give any two examples of viral diseases.

Q19. Name the disease in which:

a) a person fears from water b) yellowing of skin takes place

Q20. Name the causal organism as well as the vector of malaria.

SHORT ANSWER QUESTIONS:

Q1. Distinguish between acute and chronic diseases in two points.

Q2. Mention the type of causal organism of the following diseases:

T.B. , Malaria , Kala azar , measles

Q3. Which bacterium causes peptic ulcer? Who discovered it for the first time?

Q4. Mention any two protozoan diseases. Also name their causal organisms .

Q5. What is an antibiotic? Give 2 examples.

Q6. What is the principle of immunization?

Q7. Name any 2 diseases transmitted through vectors.

Q8. Why is it difficult to develop vaccines for some diseases?

Q9. Name such a vaccine , which saves the life of babies from three diseases.

Q10. What precautions would you take in your school to reduce incidence of infectious diseases?

Q11. Balanced diet is necessary for maintaining healthy body . Explain.

Q12. Our surrounding area should be free of stagnant water. Explain.

Q13. Why is AIDS considered a syndrome and not a disease?

Q14. Identify the target organ of :

a) hepatitis b) fits c) pneumonia d) fungus

Q15. Why do some children fall ill more frequently than others living in the same locality?

LONG ANSWER QUESTIONS:

Q1. Describe the various community issues that influence health.

Q2. Explain various modes of transmission of infectious diseases.

Q3. Explain the various general ways of preventing diseases.

Q4. Write a note on the principle of treatment .

Q5. Why is immune system essential for our health?

Please click the below link to access CBSE Class 9 Biology Worksheet - Why Do We Fall Ill (3)

Tags: 

 


Click to View or Download pdf file
Click for more Science Study Material

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

FAQs CBSE Board Exam Results Class 10 and 12

FAQs CBSE Board Exam Results Class 10 and 12 Q.1. What does the term RT in the marksheet mean? Ans.The term RT means REPEAT IN THEORY. This is the term used from 2020 instead of FAIL IN THEORY(FT) Q.2. What does the term RP in the marksheet mean? Ans.The term RP means...

Re verification of Class 12 Board Exams Marks

Modalities and Schedule for Senior Secondary School (Class XII) Examinations, 2020 in the subjects whose examinations have been conducted by CBSE for the processes of (I) Verification of Marks (II) Obtaining Photocopy of the Evaluated Answer Book(s) (Ill) Re-evaluation...

CBSE Reduced Syllabus Class 11 and 12

CBSE has announced major reduction in the syllabus for class 11 and class 12. There has been major changes too in the main syllabus for class 11 and 12. The prevailing health emergency in the country and at different parts of the world as well as the efforts to contain...

Internal Assessments and CBSE Reduced Syllabus

CBSE on 7th July 2020 had announced the ‘Revised Academic Curriculum for classes IX-XII for the session 2020-21’ to mitigate the effect of face to face learning loss due to the closure of schools to contain COVID-19 Pandemic. The rationalization of syllabus up to 30% ...

CBSE Reduced Syllabus Clarification

CBSE board has issued the following clarification relating to various news reports regarding reduction in syllabus and questions from the reduced syllabus during board exams. Please read below: It has come to notice of the Board through a section of media reports that...

Training Programme on the Alternative Academic Calendar

In view of the extraordinary situation prevailing in the world due to COVID-19 pandemic, the CBSE Board had announced the ‘Revised Academic Curriculum for classes 9- 12 for the session 2020-21’. The reduced topics will not be part of the internal assessment or for the...

×
Studies Today