Why do We Fall Ill ? : Complete Set of Questions

This set of questions contains all the possible concepts
which could be asked in the examination


Health and its failure


Q.1     Define ‘Health’. 

It is a state of being well enough to function physically, mentally and socially.

Q.2     State three conditions essential for being free of diseases. 

Conditions essential for being free of diseases-

(i) Personal hygiene

(ii) Community hygiene

(iii) Balanced diet

Q.3     What do you interpret when you say a person is in good health?

When we say a person is in good health, it implies that the different body systems and organs of that person functions well and as a whole, the body is able to strike a balance with the physical, mental and social environment.

Q.4     List any two practices you would like to follow in order to maintain good health


List any four essential factors that must be taken care of by an individual for keeping good health.

(i) Balance diet.

(ii) Disease free environment.

(iii) Proper sanitation.

(iv) Mental and social stability.

Q.5     What are the various factors that affect health?

The health of all organisms depends on their surroundings or their environment. The environment includes the physical environment and social environment.

(a) Personal- Which we can do as an individual.

(b) Community- which we can do as a society.

Q.6     Explain how individual health depends on social and mental well-being. 

Social well-being: Cleanliness around the place where we live. No throwing of garbages on roads, not leaving open drain- water lying stagnant etc.

Mental well-being: For good health we have to be happy, social equality and harmony are essential.

Q.7     Define diseases and state the major factors which are the causes of disease. 

The condition of malfunctioning of organ system or systems is called disease. In layman’s language, disease means ‘without ease’. Disease leads to an abnormal condition in which our body or body organs does not work properly.

The major factors for the cause of disease are-

(i) Pathogens(e.g., Virus, bacteria, worms etc)

(ii) Environmental factors (e.g., Pollutants)

(iii) Nutritional factors(e.g., malnutrition)

(iv) Genetic factors (e.g., gene defects)

(v) Hormonal imbalances(e.g., thyroid associated problems, diabetes)

(vi) Metabolic factors(organ failure)

Q.8     Is there any difference between ‘being healthy’ and ‘disease-free’   

Q.9     (i) What is balanced diet?

(ii) What problems will you face if you do not eat a balanced diet?

(i) A diet that contains adequate amounts of fibre (roughage), water and all other necessary nutrients (protein, fat, carbohydrate, vitamins and minerals) required for healthy growth and activity is called balanced diet.

(ii) Lack of balanced diet will lead to the following problems:

(a) Poor maintenance of body tissues and organs.

(b) Lack of proper growth and development of the body.

(c) Lack of energy.

(d) Improper functioning of the various systems of the body.

All this will ultimately lead to some illness.


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