Question:
What is a balanced diet?
Answer:
A balanced diet is one that provides all the required nutrients to the body in correct proportion. It includes the correct proportion of carbohydrates, proteins, vitamins, minerals and roughage in your diet.
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.
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 4.
Differentiate between communicable and non-communicable diseases. Give one example of each.
Q 5.
Differentiate between acute diseases and chronic diseases.
Q 6.
Which amongst the two diseases : acute or chronic has adverse effect on the health of a person? Explain giving a suitable example.
Q 7.
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 8.
Name a disease which was earlier considered to be chronic but now can be treated in short duration?
Q 9.
Name the vector which causes malaria.
Q 10.
Why Colostrum is good for infants?
Q 11.
Majority of children in many parts of India are already immune to Hepatitis A by the time they are five years old. Why ?
Q 12.
List any four essential factors that must be taken icare of by an individual for keeping good health.
Q 13.
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 14.
Becoming exposed to or infected with an infectious microbe (toes not necessarily mean developing noticeable disease. Explain.
Q 15.
Why is it important that we think of these categories of infectious agents?
Q 16.
Why are we normally advised to take bland and nourishing food when we are sick?
Q 17.
(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 18.
What is inflammation ? Write the symptoms of this in human body.
Q 19.
Classify infectious agents into different categories and also mention the diseases caused by them.
Q 20.
Define Health? What do you interpret when we say a person is in good health?
Q 21.
Name the vector that can cause sleeping sickness.
Q 22.
What do you mean by immunity?
Q 23.
Write differences between 'Being Healthy' and 'Disease Free'.
Q 24.
(i) Which bacterium causes peptic ulcers ?
(ii) Who discovered the above pathogen for the first time ?
Q 25.
How can we prevent water borne and vector borne infections ?
Q 26.
What is an antibiotic ? Give its one example.
Q 27.
What do you mean by immune response ? , [SAII – 2014]
Q 28.
What precautions will you take to justify “prevention is better than cure” ?
Q 29.
Why making anti-viral medicines is harder than making anti-bacterial medicines ?
Q 30.
State any two conditions essential for being free of disease.
Q 31.
Differentiate between Acute Diseases and Chronic Diseases.
Q 32.
What are congenital diseases? Give two examples of such disease.
Q 33.
Give an example of fungal antibiotic.
Q 34.
Name the vector which causes dengue, chikungunya and yellow fever.
Q 35.
What do signs and symptoms indicate if a person is suffering from any disease ? [SAII -2014]
Q 36.
(i) What is an epidemic disease ?
(ii) Which organ is affected if a person is suffering from jaundice ?
Q 37.
What is a disease ? How many types of diseases have you studied ? Give examples.
Q 38.
Why do some children fall ill more frequently than others living in the same locality ?
Q 39.
Are the answers to the above questions (Q2 and Q5) and necessarily the same or different? Why?
Q 40.
What do you mean by Phagocytosis?
Q 41.
What is an antibiotic ? Give two examples.
Q 42.
Name any four diseases transmitted through vectors.
Q 43.
Give four modes of transmission of AIDS.
Q 44.
Name the protozoan pathogen that causes kala-azar.
Q 46.
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 47.
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 48.
You have suffered from chickenpox, when you were in class three. Why will you not suffer from it again ? [SAII -2014]
Q 49.
What is the difference between symptoms and signs of a disease?
Q 50.
List any two differences between infectious and non-infectious diseases. Write any one example of each disease.
