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Health and its Failure Questions in English

Class 9 Science · WHY DO WE FALL ILL? · Health and its Failure

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Showing 21 of 21 questions in English

1
Easy
State any two conditions essential for good health.

Solution

(N/A) Good health of a person depends on the following conditions:
$1$. Social environment: The physical and social surroundings in which a person lives significantly impact their health.
$2$. Public cleanliness: Proper disposal of garbage and clean drinking water are essential to prevent the spread of diseases.
$3$. Good economic conditions and earnings: Adequate income allows for a nutritious diet and access to healthcare.
$4$. Social equality and harmony: $A$ peaceful and equitable society reduces stress and promotes overall well-being.
2
EasyMCQ
State any two conditions essential for being free of disease.
A
Balanced diet
B
Personal and public hygiene
C
Regular exercise
D
Adequate sleep

Solution

(A) The conditions essential for being free of diseases are:
$1)$ Having a balanced diet: $A$ nutritious diet provides the body with essential nutrients to maintain a strong immune system.
$2)$ Personal and public hygiene: Maintaining cleanliness in one's surroundings and personal habits prevents the growth and spread of pathogens.
3
Medium
Are having a balanced diet and maintaining personal and public hygiene the same or different? Why?

Solution

(N/A) Having a balanced diet and maintaining personal and public hygiene are different aspects of health,although both are essential for maintaining good health.
$1$. $A$ balanced diet provides the necessary nutrients for the body to function properly and build immunity.
$2$. Personal and public hygiene involves cleanliness of the body and the environment to prevent the spread of pathogens.
$3$. While they are different in their approach,they are similar in their goal: both are conditions essential for good health.
$4$. If both these conditions are maintained,the risk of contracting infectious diseases is significantly reduced.
4
Medium
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?

Solution

(N/A) When there is a disease,its symptoms and signs appear. These symptoms may include headache,cough,loose motions,or a wound with pus. These symptoms indicate the presence of a disease but do not specify the exact nature of the illness. Therefore,it is advisable to consult a doctor to diagnose the disease based on these symptoms. The doctor may recommend laboratory tests,if required,to confirm the specific disease.
5
MediumMCQ
In which of the following cases 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?
A
If you get jaundice
B
If you get lice
C
If you get acne

Solution

(A) The correct answer is $A)$ If you get jaundice.
Lice and acne are minor health issues that do not cause significant long-term damage to the body's vital organs.
Jaundice is a serious condition affecting the liver,which can lead to severe long-term health consequences if not treated properly.
Symptoms of jaundice include:
$a)$ High fever,headache,and joint pain.
$b)$ Persistent nausea and vomiting.
$c)$ Yellowing of the skin and eyes (jaundice) and potential rashes.
The patient suffers from poor health and requires appropriate medical treatment and complete bed rest to recover.
6
EasyMCQ
Which one of the following has a long-term effect on the health of an individual?
A
Common cold
B
Chewing tobacco
C
Chicken pox
D
Stress

Solution

(B) Common cold and chicken pox are acute diseases,meaning they last for a short duration and do not have long-term effects on health.
Stress can be managed or reduced by making lifestyle changes.
Chewing tobacco contains harmful chemicals like nicotine and carcinogens,which cause chronic damage to the body,such as oral cancer and cardiovascular issues,and these effects persist for a long time even after the individual stops using it.
7
EasyMCQ
Which one of the following is not important for individual health?
A
Living in a large and well-furnished house
B
Good economic condition
C
Social equality and harmony
D
Living in clean space

Solution

(A) Individual health depends on both personal and community health factors.
While good economic conditions,social equality,and a clean environment are essential for maintaining health,living in a large and well-furnished house is not a direct requirement for health.
If a large and well-furnished house is not clean or lacks proper ventilation,it cannot ensure health.
Therefore,living in a large and well-furnished house is not as important as the other factors listed.
8
Medium
Explain giving reasons:
$(a)$ Balanced diet is necessary for maintaining a healthy body.
$(b)$ The health of an organism depends upon the surrounding environmental conditions.
$(c)$ Our surrounding area should be free of stagnant water.
$(d)$ Social harmony and good economic conditions are necessary for good health.

Solution

(N/A) Balanced diet is necessary for maintaining a healthy body. Food is essential for the growth and development of the body. $A$ balanced diet provides raw materials and energy in appropriate amounts,including proteins,carbohydrates,fats,and minerals,which are essential for the proper growth and functioning of a healthy body.
$(b)$ The health of an organism depends upon the surrounding environmental conditions. Health is a state of being well enough to function physically,mentally,and socially,and these states depend on the surrounding environment. For example,if there are unhygienic conditions in the surrounding area,it is likely that we may get infected or diseased.
$(c)$ Our surrounding area should be free of stagnant water. This is because many water-borne diseases and insect vectors (like mosquitoes) flourish in stagnant water,which causes diseases in human beings.
$(d)$ Social harmony and good economic conditions are necessary for good health. Human beings live in societies and different localities,which determine the social and physical environment; therefore,both must be kept in harmony. Public cleanliness is important for individual health. For better living conditions,money is required. We need good food for a healthy body,which requires economic stability. Furthermore,for the treatment of diseases,one needs to be in a good economic condition.
9
Easy
Why do some children fall ill more frequently than others living in the same locality?

Solution

(N/A) Some children have a weaker immune system due to various factors.
$1$. $A$ child may not be receiving a balanced diet,leading to malnutrition.
$2$. $A$ child might be living in a congested and unhygienic environment,increasing exposure to pathogens.
$3$. $A$ child may not have access to clean drinking water,which increases the risk of water-borne diseases.
These factors make certain children more susceptible to falling ill compared to others living in the same area.
10
Easy
Give any four factors necessary for a healthy person.

Solution

(N/A) For a person to remain healthy,the following four factors are essential:
$(i)$ Clean surrounding environment: $A$ clean environment prevents the spread of air-borne and water-borne diseases.
$(ii)$ Personal hygiene: Maintaining cleanliness of the body helps in preventing infectious diseases.
$(iii)$ Proper and balanced nutrition: Sufficient and nutritious food is necessary to strengthen the immune system of the body.
$(iv)$ Immunization: Timely vaccination against severe diseases provides protection and prevents illness.
11
Easy
List any four essential factors that must be taken care of by an individual for keeping good health.

Solution

(N/A) To maintain good health,an individual must focus on the following four essential factors:
$(i)$ Balanced diet: Consuming a diet that provides all necessary nutrients in the correct proportions is essential for the proper functioning of the body.
$(ii)$ Disease-free environment: Living in a clean environment free from pathogens and vectors is crucial to prevent the spread of infectious diseases.
$(iii)$ Proper sanitation: Maintaining personal and public hygiene,including clean water supply and proper waste disposal,helps in preventing the growth of disease-causing organisms.
$(iv)$ Mental and social stability: Good health is not just the absence of disease but a state of complete physical,mental,and social well-being. Maintaining positive social relationships and mental peace is vital for overall health.
12
Medium
Explain how individual health depends on social and mental well-being.

Solution

(N/A) Individual health is not merely the absence of disease; it is a state of complete physical,mental,and social well-being.
$1$. Social well-being: We live in a society,and our surroundings significantly impact our health. Proper sanitation,clean drinking water,garbage disposal,and the absence of open drainage are essential for preventing the spread of diseases. $A$ clean environment reduces the risk of infections.
$2$. Mental well-being: Mental health is crucial for overall physical health. If an individual is stressed,anxious,or unhappy,it can lead to physical ailments like high blood pressure or digestive issues. Social equality,harmony,and a supportive environment are essential for maintaining a healthy mental state.
13
Difficult
Health is not merely the absence of disease. How can we define health? Classify diseases on the basis of:
$(i)$ Duration of the diseases:
$(ii)$ Cause of the diseases. Give one example of each type.

Solution

(N/A) Health is defined as a state of complete physical,mental,and social well-being,not merely the absence of disease or infirmity.
$(i)$ Classification based on duration:
$1.$ Acute diseases: Diseases that last for a very short period of time.
Example: Common cold.
$2.$ Chronic diseases: Diseases that last for a long time,even as much as a lifetime.
Example: Elephantiasis.
$(ii)$ Classification based on cause:
$1.$ Infectious (Communicable) diseases: Caused by external agents like pathogens (bacteria,viruses,fungi,protozoa).
Example: Malaria (caused by Plasmodium).
$2.$ Non-infectious (Non-communicable) diseases: Caused by internal factors like genetic abnormalities,hormonal imbalances,or nutritional deficiencies.
Example: Diabetes or Rickets (due to Vitamin $D$ deficiency).
14
Medium
Explain the following statements:
$(a)$ Being disease-free is not the same as being healthy.
$(b)$ Community health is essential for good individual health.
$(c)$ Villagers suffer from cholera more than urban people.

Solution

(N/A) Health refers to a state of complete physical,mental,and social well-being,not merely the absence of disease. $A$ person may be disease-free but still suffer from poor mental or social health.
$(b)$ Individual health is dependent on the environment. Community health ensures proper sanitation,hygiene,and disease control,which prevents the spread of infectious diseases to individuals.
$(c)$ Cholera is a water-borne disease. In many villages,access to clean,treated drinking water and proper sewage disposal is limited compared to urban areas,leading to a higher incidence of cholera.
15
Medium
What is meant by a community? How is our personal health related to community issues? Explain in brief.

Solution

(N/A) community refers to a group of organisms of different species that interact with each other and their environment within a common habitat.
Our personal health is deeply connected to community issues because:
$1$. We live in a society where we share resources like water,air,and food. If the community environment is not clean,it leads to the spread of diseases (e.g.,improper waste disposal leads to vector-borne diseases).
$2$. Public hygiene and sanitation are community responsibilities. Even if an individual maintains personal hygiene,they can still fall ill if the surrounding community environment is polluted or unhygienic.
$3$. Therefore,both personal health and community health are interdependent; a healthy community environment is essential for maintaining individual well-being.
16
EasyMCQ
$A$ healthy animal feeds regularly and has an abnormal posture.
A
True
B
False

Solution

(B) The statement is $False$.
$A$ healthy animal is characterized by regular feeding,normal posture,and active behavior.
An abnormal posture is typically an indicator of illness,pain,or distress in an animal.
17
EasyMCQ
Which one of the following is not important for individual health?
A
Living in a clean environment
B
Living in a large and well-furnished house
C
Social equality and harmony
D
Good economic condition

Solution

(B) Health is a state of physical,mental,and social well-being.
While a clean environment,social harmony,and good economic conditions are essential for maintaining overall health and preventing diseases,living in a large and well-furnished house is a matter of personal comfort or luxury.
It does not directly contribute to the biological or social requirements of health.
Therefore,living in a large and well-furnished house is not a fundamental requirement for individual health.
18
EasyMCQ
Which one of the following has a long-term effect on the health of an individual?
A
Common cold
B
Chickenpox
C
Chewing tobacco
D
Stress

Solution

(C) Health is defined as a state of physical,mental,and social well-being.
Acute diseases like the common cold or chickenpox last for a short duration and do not cause major long-term damage to the body.
Chewing tobacco is a habit that leads to chronic conditions such as oral cancer,which has a severe,long-term,and often irreversible effect on an individual's health.
Stress can have long-term effects,but in the context of biological health hazards,the consumption of harmful substances like tobacco is a primary example of a long-term health risk factor.
19
EasyMCQ
During a disease:
A
Either the functioning or the appearance of one or more systems of the body will change for the worse.
B
Changes occur which give rise to signs and symptoms of disease.
C
Only $(b)$ is correct.
D
Both $(a)$ and $(b)$ are correct.

Solution

(D) disease is defined as a state of being uncomfortable or a condition that impairs normal functioning.
$1$. When a disease occurs,the body's systems (such as the digestive,respiratory,or nervous system) undergo changes in their functioning or physical appearance,which negatively affects the individual's health.
$2$. These physiological or structural changes manifest as specific signs (observable by a doctor) and symptoms (felt by the patient),which help in diagnosing the illness.
Therefore,both statements $(a)$ and $(b)$ correctly describe the nature of a disease.
20
Easy
State whether the following statement is true or false:
Social equality and harmony are necessary for individual health.

Solution

(TRUE) The statement is True.
Health is defined as a state of complete physical,mental,and social well-being,not merely the absence of disease or infirmity.
Social equality and harmony are essential components of a healthy environment.
When individuals live in a society characterized by equality and harmony,it reduces stress,promotes mental peace,and fosters a supportive environment,all of which are crucial for maintaining good individual health.
21
Easy
Write true or false for the following statement:
Any disease that causes poor functioning of some part of the body will not affect our general health.

Solution

(FALSE) False.
Health is defined as a state of complete physical,mental,and social well-being. When a disease causes poor functioning of any part of the body,it disrupts the body's normal physiological processes. This impairment inevitably impacts the overall health of an individual,as all organ systems are interconnected and rely on each other to maintain homeostasis.

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