Question:
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) Various symptoms can help us find if a baby is sick or not:
- constant crying,
- frequent loose motions
- disrupted sleep or unusual long sleep
- vomiting etc.
(b) An examination and diagnosis of symptoms and signs of the baby by a doctor will help in identifying the particular disease.
Why Do We Fall Ill?
Q 1.
Give two examples for each of the following :
(a) Acute diseases
(b) Chronic diseases
(c) Infectious diseases
(d) Non-infectious diseases.
Q 2.
What is inflammation ? Write the symptoms of this in human body.
Q 3.
Name a disease which was earlier considered to be chronic but now can be treated in short duration?
Q 4.
Give two examples of bacterial antibiotics.
Q 5.
Name the vector that can cause sleeping sickness.
Q 6.
Majority of children in many parts of India are already immune to Hepatitis A by the time they are five years old. Why ?
Q 7.
What is '
germ theory of disease'? Who proposed it?
Q 8.
Give examples of fungal diseases.
Q 9.
Name the pathogen causes peptic ulcer.
Q 10.
Give an example of fungal antibiotic.
Q 11.
Why Colostrum is good for infants?
Q 12.
What is an antibiotic ? Give its one example.
Q 13.
(i) Why a person suffering from AIDS cannot fight even small infections ?
(ii) In a slum area, many people are suffering from malaria. Mention any two unhygienic conditions that must be prevailing in that locality.
(iii) Why female Anopheles mosquito feeds on human blood ? [SAII – 2014]
Q 14.
What is a disease ? How many types of diseases have you studied ? Give examples.
Q 15.
What is a balanced diet?
Q 16.
(i) How do you define 'disease'? (ii) State and explain in brief the four major factors, which are the causes of disease.
Q 17.
What is immunisation?
Q 18.
Why are we advised to take blend and nourishing food when we are sick ?
Q 19.
What do signs and symptoms indicate if a person is suffering from any disease ? [SAII -2014]
Q 20.
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 ?
Q 21.
What do you mean by active and passive immunisation ? [SAll – 2015]
Q 22.
Classify infectious agents into different categories and also mention the diseases caused by them.
Q 23.
State giving reasons whether the following statements are correct or not:
- Our surrounding area should be free from stagnant water.
- Staying clean is not necessary as long as you eat a balanced diet.
- Social equality and harmony are necessary for good health.
Q 24.
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?
Q 25.
Name the microbe which causes acne.
Q 26.
What is the scientific name of roundworm? Where do we find it commonly in the human body? Name the disease caused by it.
Q 27.
How do antibiotics (say Penicillin) work on bacteria but not on human beings?
Q 28.
Name the vector which causes malaria.
Q 29.
What precautions can you take in your school to reduce the incidence of infectious diseases?
Q 30.
Write differences between 'Being Healthy' and 'Disease Free'.
Q 31.
State any two conditions essential for being free of disease.
Q 32.
Under which of the following conditions are you most likely to fall sick ?
(a) when you are taking examinations.
(b) when you have travelled by bus and train for two days.
(c) when your friend is suffering from measles. Why ?
Q 33.
Differentiate between acute diseases and chronic diseases.
Q 34.
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 ?
Q 35.
Who discovered ‘vaccine’ for the first time ? Name two diseases which can be prevented by using vaccines.
Q 36.
Why is immune system essential for our health ?
Q 37.
Why does intake of penicillin not affect human cells ? [SAll – 2014]
Q 38.
List the diseases caused by viruses?
Q 39.
Name the protozoan pathogen that causes kala-azar.
Q 40.
Why are we normally advised to take bland and nourishing food when we are sick?
Q 41.
Name the vectors which can cause rabies.
Q 42.
What are the immunisation programmes available at the nearest health centre in your locality? Which of these diseases are the major health problems in your area?
Q 43.
Many vaccines form the public health programme of childhood immunisation for preventing infectious disease. Name any two such diseases.
Q 44.
List any four essential factors that must be taken icare of by an individual for keeping good health.
Q 45.
What are the immunisation programmes available at the nearest health centre in your locality? Which of these diseases are the major health problems in your area ?
Q 46.
“On exposure with an infectious microbe does not necessarily mean developing noticeable disease”. Do you agree ? Explain with reason. If yes, how severe infections occur in our body ?
Q 47.
You have suffered from chickenpox, when you were in class three. Why will you not suffer from it again ? [SAII -2014]
Q 48.
Define Health? What do you interpret when we say a person is in good health?
Q 49.
List any two differences between infectious and non-infectious diseases. Write any one example of each disease.
Q 50.
What are Koch's Postulates?
