Question:
What is colostrum? Why is mother's milk strongly advised to newborns?
Answer:
Colostrum also called first milk is the milk produced by the mother in late pregnancy. It is rich in antibodies. Newborn babies have weak immunity system at birth. Through mother's milk, antibodies are transferred to the baby. It persists in the baby’s body for several weeks and provides her passive immunity to fight against many diseases.
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 a balanced diet?
Q 8.
Name the pathogen causes peptic ulcer.
Q 9.
Why Colostrum is good for infants?
Q 10.
What do signs and symptoms indicate if a person is suffering from any disease ? [SAII -2014]
Q 11.
What is an antibiotic ? Give its one example.
Q 12.
(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 13.
What is '
germ theory of disease'? Who proposed it?
Q 14.
Give examples of fungal diseases.
Q 15.
Give an example of fungal antibiotic.
Q 16.
Write differences between 'Being Healthy' and 'Disease Free'.
Q 17.
Differentiate between acute diseases and chronic diseases.
Q 18.
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 19.
Classify infectious agents into different categories and also mention the diseases caused by them.
Q 20.
What is a disease ? How many types of diseases have you studied ? Give examples.
Q 21.
Why is immune system essential for our health ?
Q 22.
(i) How do you define 'disease'? (ii) State and explain in brief the four major factors, which are the causes of disease.
Q 23.
How do antibiotics (say Penicillin) work on bacteria but not on human beings?
Q 24.
Why are we normally advised to take bland and nourishing food when we are sick?
Q 25.
What is immunisation?
Q 26.
Why are we advised to take blend and nourishing food when we are sick ?
Q 27.
Many vaccines form the public health programme of childhood immunisation for preventing infectious disease. Name any two such diseases.
Q 28.
State any two conditions essential for being free of disease.
Q 29.
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 30.
What precautions can you take in your school to reduce the incidence of infectious diseases ?
Q 31.
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 32.
What do you mean by active and passive immunisation ? [SAll – 2015]
Q 33.
Why does intake of penicillin not affect human cells ? [SAll – 2014]
Q 34.
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 35.
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 36.
List the diseases caused by viruses?
Q 37.
Name the protozoan pathogen that causes kala-azar.
Q 38.
Name the microbe which causes acne.
Q 39.
What is the scientific name of roundworm? Where do we find it commonly in the human body? Name the disease caused by it.
Q 40.
Name the vector which causes malaria.
Q 41.
Name the vectors which can cause rabies.
Q 42.
What precautions can you take in your school to reduce the incidence of infectious diseases?
Q 43.
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 44.
List any four essential factors that must be taken icare of by an individual for keeping good health.
Q 45.
(i) What is an epidemic disease ?
(ii) Which organ is affected if a person is suffering from jaundice ?
Q 46.
State any two conditions essential for good health. [SAII-2014]
Q 47.
Give any four factors necessary for a healthy person.
Q 48.
Who discovered ‘vaccine’ for the first time ? Name two diseases which can be prevented by using vaccines.
Q 49.
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 50.
“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 ?
