Students can Download Science Chapter 13 Why Do We Fall ill Questions and Answers, Notes Pdf, KSEEB Solutions for Class 9 Science helps you to revise the complete Karnataka State Board Syllabus and to clear all their doubts, score well in final exams.
Karnataka State Syllabus Class 9 Science Chapter 13 Why Do We Fall ill
KSEEB Class 9 Science Why Do We Fall ill Intext Questions and Answers
Question 1.
State any two conditions essential for good health.
Answer :
(a) Better surroundings.
(b) State of physical, mental, social well being.
Question 2.
State any two conditions essential for being free of diseases.
Answer :
(a) Personal hygiene
(b) Clean surroundings
Question 3.
Are the answers to the above questions necessarily the same or different? Why?
Answer :
Different, because a person may be free of disease but his physical, mental, health may not be good.
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 :
(a) Uncomfortable
(b) Ache in the body
(c) Infections
(d) cold.
Cells are infected. leads to acute and chronic diseases.
Question 5.
In which of the following case do you think the long term effects an your health are likely to be most unpleasant.
If you get Jaundice,
If you get lice
If you get acne. Why?
Answer :
Long term effects are from Jaundice due to
(1) infection to the liver.
(2) Reduces the metabolic activation.
Question 6.
Why are we normally advised to take bland and nourishing food when we are suck?
Answer :
(a) To increase and balance the nutrition.
(b) Supplement the loss of vital components
(c) Provide necessary and sufficient energy.
(d) Nourishing the body.
Question 7.
What are the different means by which infection diseases are spread?
Answer :
- Direct contact Indirect contact
- By air By food
- Mosquito or insect (vectors)
- Through contact
Question 8.
What precautions can you take in your school to reduce the incidence of infectious diseases?
Answer :
(a) By safety method
(b) By providing necessary precautions.
(c) Advice the student not to come to school till his recovery
Question 9.
What is’ immunization?
Answer :
It is the process of giving strength to fight against disease-causing microbes to develop antibodies in the body, due to vaccination.
Question 10.
What are the immunization programs available at the nearest health Centres in your locality of which of these diseases are the major health problems in your area?
Answer :
- Vaccination
- Education about diseases
- Awareness programs
- Public health
- Eradication of programs
KSEEB Class 9 Science Why Do We Fall ill Textbook Exercise Questions and Answers
Question 1.
How many times did you fall ill in the last 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.
Answer :
Once or twice
- Fever
- Common cold
- Vomiting symptoms
- Maintain neatness in surroundings
(a) Pure and sterilized water for drinking keeping surrounding clean. Avoid stagnation of water
(b) Free from pollutants Garbage disposal
Use of medicated plant plantations
Question 2.
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.
Answer :
(a) By taking immune medicines periodically as per advice.
(b) Use of canisters, antimicrobial antiviral and fungal applicants.
Question 3.
Conduct a survey in your neighborhood 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.
Answer :
Fever, cholera, headache, common cold Remedies and controlling agents to overcome these defects.
Question 4.
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?
Answer :
(a) Active face and movements.
(b) Crying/screaming.
(c) Rashes on skin
(d) Drowsy ness
(e) identification of symptoms
(f) temperature
(g) loose motions and symptoms help the sickness of the body.
Question 5.
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?
Answer :
(a) Mosquito
(b) No.
(c) Gets required immunity from medication.
Question 6.
Under which of the following conditions are you most likely to fall sick?
(a) when you are taking examinations.
(b) when you have traveled by bus and train for two days.
(c) when your friend is suffering from measles.
Answer :
(c) when your friend is suffering from measles.
KSEEB Class 9 Science Why Do We Fall ill Additional Questions and Answers
Question 1.
What are communicable diseases?
Answer :
Microbial agents commonly move from an affected person to the same one else in a variety of ways galled communicated, on otherwise communicable diseases.
Question 2.
Give the meaning of vectors.
Answer :
Animals carry the infecting agents from a sick person to another potential host thus the intermediaries and are called vectors.
Question 3.
Give the other name for brain fever.
Answer :
Japanese encephalitis
Question 4.
What do you mean by inflammation?
Answer :
An active immune system recruits many cells to the affected tissue to kill off disease-causing microbes, this recruitment process is called inflammation.
Question 5.
Expand
(i) HIV
(ii) AIDS.
Answer :
(i) HIV – Human Immuno Virus
(ii) AIDS – Acquired Immuno Deficiency Syndrome