Question:
(i) Which bacterium causes peptic ulcers ?
(ii) Who discovered the above pathogen for the first time ?
Answer:
(i) Helicobactor pylori
(ii)Marshall and Warren.
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.
Give two examples of bacterial antibiotics.
Q 3.
Name a disease which was earlier considered to be chronic but now can be treated in short duration?
Q 4.
Give an example of fungal antibiotic.
Q 5.
Name the vector which causes malaria.
Q 6.
What is inflammation ? Write the symptoms of this in human body.
Q 7.
Majority of children in many parts of India are already immune to Hepatitis A by the time they are five years old. Why ?
Q 8.
Which amongst the two diseases : acute or chronic has adverse effect on the health of a person? Explain giving a suitable example.
Q 9.
Differentiate between acute diseases and chronic diseases.
Q 10.
(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 11.
In which of the following case do you think the long-term effects on your health are likely to be most unpleasant? a. if you get jaundice, b. if you get lice, c. if you get acne. Why?
Q 12.
Why Colostrum is good for infants?
Q 13.
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 14.
Define Health? What do you interpret when we say a person is in good health?
Q 15.
Why is it important that we think of these categories of infectious agents?
Q 16.
Name the vector that can cause sleeping sickness.
Q 17.
Classify infectious agents into different categories and also mention the diseases caused by them.
Q 18.
State any two conditions essential for being free of disease.
Q 19.
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 20.
Why are we normally advised to take bland and nourishing food when we are sick?
Q 21.
What do signs and symptoms indicate if a person is suffering from any disease ? [SAII -2014]
Q 22.
How can we prevent water borne and vector borne infections ?
Q 23.
What precautions will you take to justify “prevention is better than cure” ?
Q 24.
Becoming exposed to or infected with an infectious microbe (toes not necessarily mean developing noticeable disease. Explain.
Q 25.
Differentiate between communicable and non-communicable diseases. Give one example of each.
Q 26.
What is a balanced diet?
Q 27.
Differentiate between Acute Diseases and Chronic Diseases.
Q 28.
What are congenital diseases? Give two examples of such disease.
Q 29.
Name the protozoan pathogen that causes kala-azar.
Q 30.
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 31.
What do you mean by immune response ? , [SAII – 2014]
Q 32.
What is '
germ theory of disease'? Who proposed it?
Q 33.
What do you mean by Phagocytosis?
Q 34.
Write differences between 'Being Healthy' and 'Disease Free'.
Q 35.
What is the purpose of vaccination ?
Q 36.
Name any two diseases which are caused due to unprotected sexual intercourse.
Q 37.
(i) Which bacterium causes peptic ulcers ?
(ii) Who discovered the above pathogen for the first time ?
Q 38.
What is an antibiotic ? Give two examples.
Q 39.
Name any four diseases transmitted through vectors.
Q 40.
List any four essential factors that must be taken icare of by an individual for keeping good health.
Q 41.
What is an antibiotic ? Give its one example.
Q 42.
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 43.
“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 44.
Why is immune system essential for our health ?
Q 45.
Why do some children fall ill more frequently than others living in the same locality ?
Q 46.
Why are antibiotics not effective for viral disease ?
Q 47.
Common cold spreads faster and is difficult to control. Give reason. [SAII -2014]
Q 48.
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 49.
Give examples of Acute diseases.
Q 50.
Give four examples of Chronic diseases.
