Health: The Ultimate Treasure
Each subtopic includes About section, revision page link, 10 preview questions, and practice CTAs.
Health: Is It More Than Not Falling Sick?
SubtopicHealth: Is It More Than Not Falling Sick? under Health: The Ultimate Treasure for Grade 8 CBSE.
Preview questions (no answers)
- 1.
Which of these contributes to good mental health?
A.Bottling up emotions
B.Practicing yoga and meditation
C.Avoiding all people
D.Sleeping only 2 hours
- 2.
Maintaining health is a ________ process.
A.One-time
B.Continuous
C.Weekly
D.Yearly
- 3.
The reproductive phase in women typically lasts until about the age of:
A.20-25 years
B.45-50 years
C.60-70 years
D.80-90 years
- 4.
Tuberculosis is a disease caused by:
A.Virus
B.Fungi
C.Bacteria
D.Protozoa
- 5.
Physical exercise is important during adolescence because it:
A.Helps in building a muscular body only
B.Keeps the body fit and the mind fresh
C.Is a requirement to get good grades
D.Replaces the need for a balanced diet
- 6.
In the context of health, what does 'social well-being' imply?
A.Having a lot of money
B.Having good relationships and social support
C.Living in a huge house
D.Having many followers on social media
- 7.
Which of these practices helps in preventing the breeding of mosquitoes?
A.Using mosquito nets
B.Wearing full-sleeved clothes
C.Emptying water from coolers and pots weekly
D.Taking vaccination
- 8.
How does the consumption of iodized salt specifically prevent Goitre?
A.Iodine acts as a direct substitute for the hormone thyroxine.
B.Iodine provides the necessary raw material for the thyroid gland to synthesize thyroxine.
C.Iodine kills the bacteria that cause the thyroid gland to swell.
D.Iodine stimulates the pituitary gland to reduce the size of the neck.
- 9.
Why is the term 'Adolescence' derived from the Latin word 'adolescere' meaning 'to grow up'?
A.Because it is the only time a person grows in weight.
B.Because it marks the transition from childhood to adulthood where reproductive maturity is reached.
C.Because it refers only to the growth of mental capabilities.
D.Because it is the stage where a person stops growing physically.
- 10.
The sex chromosomes in a human male are represented as:
A.XX
B.YY
C.XY
D.XO
Download the worksheet for Health: The Ultimate Treasure - Health: Is It More Than Not Falling Sick? to practice offline. It includes additional chapter-level practice questions.
How Can We Stay Healthy?
SubtopicHow Can We Stay Healthy? under Health: The Ultimate Treasure for Grade 8 CBSE.
Preview questions (no answers)
- 1.
Health is defined as a state of:
A.Only physical fitness
B.Only mental well-being
C.Complete physical, mental, and social well-being
D.Only being free from diseases
- 2.
A deficiency of Vitamin D in children leads to:
A.Scurvy
B.Rickets
C.Night Blindness
D.Goitre
- 3.
To keep the digestive system healthy, we should include enough ___ in our diet.
A.Fiber
B.Sugar
C.Salt
D.Oil
- 4.
Which food group is at the base of the 'Food Pyramid' (meaning it should be eaten in sufficient quantity)?
A.Oils and Sweets
B.Cereals and Grains
C.Meat and Fish
D.Pickles
- 5.
What is the biological importance of 'Rest' and 'Sleep'?
A.They allow the body to recover and the brain to process information
B.They help the body to digest food faster
C.They stop the production of all hormones
D.They are only needed by children, not adults
- 6.
Which of the following statements about 'Mental Health' is true?
A.It is only important for people with mental illness
B.It involves the ability to handle the normal stresses of life
C.It is not related to physical health
D.It can be improved only by taking medicines
- 7.
If the diet of a growing child is deficient in Vitamin D and Calcium, they may develop:
A.Rickets
B.Beri-beri
C.Pellagra
D.Anemia
- 8.
What is the role of 'Antibodies' produced by the White Blood Cells?
A.To transport oxygen to the site of infection.
B.To recognize and neutralize specific foreign substances like bacteria and viruses.
C.To increase the body temperature to kill pathogens through heat.
D.To repair the damaged tissue by forming a protective scab.
- 9.
Which of these is a correct scientific practice for a girl during her menstrual period?
A.Avoid taking a bath to prevent the body temperature from dropping.
B.Maintain high standards of personal hygiene and continue normal daily activities including exercise.
C.Restrict the diet to only dry foods to stop the flow of blood.
D.Avoid social contact as the body is releasing 'poisonous' substances.
- 10.
A person traveling to a region with poor sanitation is advised to drink only boiled water. Which disease are they primarily trying to avoid?
A.Malaria
B.Cholera
C.Tuberculosis
D.Influenza
Download the worksheet for Health: The Ultimate Treasure - How Can We Stay Healthy? to practice offline. It includes additional chapter-level practice questions.
Maintain a healthy lifestyle
SubtopicMaintain a healthy lifestyle under Health: The Ultimate Treasure for Grade 8 CBSE.
Preview questions (no answers)
- 1.
Health is not just the absence of disease, but also a state of physical, mental, and ________ well-being.
A.Financial
B.Social
C.Academic
D.Political
- 2.
What is the primary role of the hormone Testosterone?
A.Control blood sugar
B.Development of male secondary sexual characteristics
C.Help in digestion
D.Control sleep cycle
- 3.
The swelling in the neck region caused by deficiency of iodine is:
A.Diabetes
B.Anemia
C.Goitre
D.Rickets
- 4.
Which of the following provides the most concentrated source of energy?
A.Proteins
B.Fats
C.Carbohydrates
D.Water
- 5.
Physical exercise is beneficial during adolescence because it:
A.Decreases height
B.Keeps the body fit and healthy
C.Speeds up the aging process
D.Replaces the need for a balanced diet
- 6.
What is the approximate duration of the menstrual cycle in human females?
A.10 to 15 days
B.28 to 30 days
C.40 to 45 days
D.5 to 7 days
- 7.
Which of the following is a communicable disease that can be prevented by maintaining good sanitation and clean water?
A.Goitre
B.Cholera
C.Night Blindness
D.Diabetes
- 8.
Which of the following statements is true about the influence of 'Hormones'?
A.Hormones are produced in large quantities and act locally
B.Hormones are chemical messengers produced in trace amounts that act on distant target organs
C.Hormones are only produced during emergency situations
D.Hormones are proteins that speed up digestion in the stomach
- 9.
Why is the consumption of 'Trans-fats' (found in many processed snacks) considered harmful for heart health?
A.They increase the levels of 'Good' cholesterol (HDL)
B.They raise 'Bad' cholesterol (LDL) levels and contribute to the clogging of arteries
C.They provide too much energy for the brain
D.They are digested too quickly, causing hunger
- 10.
In the following flowchart of energy flow in the body, what should be in the box 'Z' to maintain a healthy lifestyle?
A.Excessive sugar intake
B.Regular Physical Activity
C.Prolonged sedentary behavior
D.Increased caffeine consumption
Download the worksheet for Health: The Ultimate Treasure - Maintain a healthy lifestyle to practice offline. It includes additional chapter-level practice questions.
Keep the environment clean
SubtopicKeep the environment clean under Health: The Ultimate Treasure for Grade 8 CBSE.
Preview questions (no answers)
- 1.
If you see a tap dripping in school, what should you do?
A.Ignore it
B.Inform the school authorities or close it
C.Open it further
D.Play with the water
- 2.
Which of the following can lead to a healthy life?
A.Eating unbalanced diet
B.Drinking unfiltered water
C.Maintaining personal and public hygiene
D.Avoiding physical activity
- 3.
Van Mahotsav is a festival dedicated to:
A.Harvesting crops
B.Planting trees
C.Cleaning rivers
D.Saving electricity
- 4.
What should we do to save paper?
A.Write on both sides of a page
B.Use fresh paper for every small note
C.Throw away old notebooks
D.Tear pages for fun
- 5.
The concept of 'Sustainable Development' refers to:
A.Rapid industrial growth without any restrictions
B.Development that meets the needs of the present without compromising future generations
C.Using all available natural resources as quickly as possible
D.Stopping all construction activities to protect the environment
- 6.
Which of the following is a way to reduce 'Plastic Pollution'?
A.Burning plastic bags in the open
B.Using cloth or jute bags instead of single-use plastic bags
C.Dumping plastic in the sea where it cannot be seen
D.Burying plastic deep in the soil
- 7.
Why should we not throw used tea leaves or solid food remains into the kitchen drain?
A.They can choke the pipes and prevent the free flow of oxygen for decomposition
B.They make the water too nutritious for fish
C.They dissolve and make the water acidic
D.They react with the plastic pipes to produce toxins
- 8.
In the context of soil health, how does 'Salinization' occur in agricultural fields, and how does it affect plant health?
A.It occurs due to excessive rain; it helps plants grow faster.
B.It occurs due to over-irrigation in arid climates, leading to salt accumulation which prevents roots from absorbing water.
C.It occurs by adding too much organic manure, which makes the soil sweet.
D.It occurs due to the lack of any irrigation, causing the soil to turn into sand.
- 9.
Which of the following is a 'Completely Biodegradable' pollutant?
A.DDT (Dichlorodiphenyltrichloroethane)
B.Domestic Sewage (Organic waste)
C.Plastic Bags
D.Glass bottles
- 10.
What is the significance of the 'Bhopal Gas Tragedy' in the context of environmental health and safety laws in India?
A.It led to the ban of all chemical fertilizers in India.
B.It resulted in the enactment of the Environment (Protection) Act, 1986.
C.It proved that pesticides are safe for human consumption.
D.It led to the immediate closure of all international factories in India.
Download the worksheet for Health: The Ultimate Treasure - Keep the environment clean to practice offline. It includes additional chapter-level practice questions.
How Do We Know That We Are Unwell?
SubtopicHow Do We Know That We Are Unwell? under Health: The Ultimate Treasure for Grade 8 CBSE.
Preview questions (no answers)
- 1.
Which of the following describes the 'state of being unwell'?
A.A state where a person feels fine but has a virus
B.A state where body functions or parts are not normal
C.A state of being very happy
D.A state where one is sleeping
- 2.
In the immune system, 'memory cells' help the body by:
A.Storing sugar for energy
B.Remembering how to fight a pathogen for future encounters
C.Transporting oxygen to the brain
D.Filtering toxins out of the blood
- 3.
Poor public hygiene is a major cause of the spread of which type of disease?
A.Genetic diseases
B.Infectious diseases
C.Nutritional deficiency diseases
D.Mental health issues
- 4.
DPT vaccine provides protection against Diphtheria, Tetanus, and:
A.Polio
B.Pertussis (Whooping cough)
C.Pneumonia
D.Plague
- 5.
Anemia is a condition often characterized by low levels of hemoglobin in the blood. It is usually caused by the deficiency of:
A.Sodium
B.Iron
C.Magnesium
D.Phosphorus
- 6.
Which vitamin deficiency leads to the condition known as Night Blindness?
A.Vitamin C
B.Vitamin B12
C.Vitamin A
D.Vitamin K
- 7.
In the context of health, what does 'community health' refer to?
A.The health of a single person in a room
B.The collective health of people living in a society
C.Health services provided only to rich people
D.Taking medicines together with friends
- 8.
What is the primary role of 'Public Health Services' in preventing the spread of communicable diseases?
A.Providing individual surgical care
B.Ensuring clean water, sanitation, and immunization for the community
C.Selling expensive medicines at a discount
D.Identifying the genetic makeup of every citizen
- 9.
What is the biological reason for the 'swelling' and 'redness' observed during inflammation?
A.The pathogen is producing a red dye.
B.Increased blood flow and recruitment of immune cells to the site.
C.The skin is reacting to sunlight.
D.The body is trying to sweat out the pathogen.
- 10.
Which of the following pathogens is responsible for the disease 'Kala-azar'?
A.B.C.D.
Download the worksheet for Health: The Ultimate Treasure - How Do We Know That We Are Unwell? to practice offline. It includes additional chapter-level practice questions.
Diseases: What Are the Causes and Types?
SubtopicDiseases: What Are the Causes and Types? under Health: The Ultimate Treasure for Grade 8 CBSE.
Preview questions (no answers)
- 1.
An example of a disease caused by environmental pollution is ________.
A.Tuberculosis
B.Asthma
C.Cholera
D.Common cold
- 2.
Which of the following is the most effective way to control mosquito-borne diseases?
A.Using perfumes
B.Wearing bright clothes
C.Eliminating stagnant water where mosquitoes breed
D.Drinking more water
- 3.
BCG vaccine is used to prevent which disease?
A.Polio
B.Tuberculosis
C.Malaria
D.Smallpox
- 4.
Dengue is a disease caused by a ________.
A.Bacteria
B.Virus
C.Fungus
D.Protozoan
- 5.
The concept of 'Immunisation' is based on the fact that the immune system has a ________ property.
A.Circulatory
B.Memory
C.Digestive
D.Excretory
- 6.
What is the primary objective of community health and public hygiene?
A.To provide expensive medicines to everyone
B.To prevent the occurrence and spread of diseases in the population
C.To build more private hospitals
D.To cure only genetic diseases
- 7.
Which of the following diseases is caused by a protozoan and spreads through the bite of the Sandfly?
A.Malaria
B.Kala-azar
C.Sleeping sickness
D.Typhoid
- 8.
The preservation method of 'Vacuum Packing' prevents food spoilage primarily by doing what?
A.Increasing the acidity of the food.
B.Removing oxygen, thereby inhibiting the growth of aerobic bacteria and fungi.
C.Freezing the water content of the food.
D.Adding artificial flavors that are toxic to microbes.
- 9.
Which of the following is a common symptom of 'Malaria' caused by the cyclic release of toxins by the pathogen?
A.Persistent cough with blood.
B.High fever with shivering occurring at regular intervals.
C.Severe joint pain and skin rashes.
D.Stiffness of the neck and jaw muscles.
- 10.
How does the 'Housefly' typically contribute to the spread of diseases like Typhoid and Dysentery?
A.By biting the person and injecting the bacteria into the blood.
B.By carrying pathogens on its legs and hair from garbage and sitting on uncovered food.
C.By laying eggs inside the human digestive tract.
D.By producing a toxic chemical that contaminates the air.
Download the worksheet for Health: The Ultimate Treasure - Diseases: What Are the Causes and Types? to practice offline. It includes additional chapter-level practice questions.
How are communicable diseases caused and spread?
SubtopicHow are communicable diseases caused and spread? under Health: The Ultimate Treasure for Grade 8 CBSE.
Preview questions (no answers)
- 1.
When a disease-carrying microbe enters our body, the body produces __________ to fight the invader.
A.Antigens
B.Antibiotics
C.Antibodies
D.Pathogens
- 2.
Using a mosquito net at night is a preventive measure for which disease?
A.Tuberculosis
B.Malaria
C.Typhoid
D.Cholera
- 3.
Which disease is caused by a protozoan and spread by a mosquito?
A.Dengue
B.Malaria
C.Polio
D.Measles
- 4.
Aedes mosquito is a carrier of:
A.Malaria
B.Dengue
C.Cholera
D.Typhoid
- 5.
Which of the following microorganisms are considered to be on the borderline between living and non-living?
A.Bacteria
B.Viruses
C.Algae
D.Fungi
- 6.
Which of the following is NOT a carrier of pathogens?
A.Housefly
B.Female Anopheles mosquito
C.Butterfly
D.Cockroach
- 7.
Smallpox was a deadly communicable disease that has been eradicated globally. How was this achieved?
A.By cleaning all the rivers
B.By large-scale vaccination programs
C.By killing all the mosquitoes
D.By banning the use of public transport
- 8.
In the 'Lock and Key' mechanism of viral infection, how does the virus's 'spread' begin inside the host?
A.The virus attaches to specific receptors on a host cell, enters it, and uses the cell's machinery to replicate.
B.The virus produces a toxin that melts the cell wall of the neighboring healthy cells.
C.The virus divides by binary fission in the blood plasma without entering cells.
D.The virus eats the mitochondria of the host cell to gain energy for movement.
- 9.
Which of the following explains why 'Amoebic Dysentery' is more common in areas with poor sanitation?
A.The protozoan is spread through the ingestion of cysts found in contaminated water.
B.The bacteria causing it thrive in the absence of sunlight.
C.The virus is transmitted by the bite of a cockroach found in dirty areas.
D.The fungus grows on decaying organic matter and releases spores into the air.
- 10.
A farmer notices his wheat crop has orange-brown pustules on the leaves. He is told it is a communicable disease. How should he best prevent its spread to the next season's crop?
A.By using disease-resistant seed varieties and destroying infected crop residues.
B.By increasing the amount of nitrogen fertilizer used in the soil.
C.By watering the plants only at night to avoid sun-induced infection.
D.By spraying the plants with antibiotics designed for human use.
Download the worksheet for Health: The Ultimate Treasure - How are communicable diseases caused and spread? to practice offline. It includes additional chapter-level practice questions.
How are non-communicable diseases caused?
SubtopicHow are non-communicable diseases caused? under Health: The Ultimate Treasure for Grade 8 CBSE.
Preview questions (no answers)
- 1.
Non-communicable diseases are also known as:
A.Short-term diseases
B.Lifestyle diseases
C.Spreading diseases
D.Communicable diseases
- 2.
Which of these helps in the prevention of Hypertension?
A.Eating highly processed foods
B.Reducing salt intake
C.Increasing stress
D.Avoiding exercise
- 3.
What does 'malnutrition' mean?
A.Eating only healthy food
B.Lack of proper nutrition
C.Drinking too much water
D.Washing hands regularly
- 4.
Is Asthma a communicable or non-communicable disease?
A.Communicable
B.Non-communicable
C.Infectious
D.Contagious
- 5.
Which of these is a way to promote 'Health as a Treasure' through the prevention of NCDs?
A.Promoting the consumption of fast food in schools.
B.Encouraging regular health check-ups and a balanced lifestyle.
C.Limiting the time spent outdoors to avoid all sunlight.
D.Increasing the consumption of energy drinks.
- 6.
What is the main purpose of consuming 'Antioxidants' found in fruits and vegetables?
A.To increase the sugar level in the body.
B.To protect cells from damage that can lead to cancer and other NCDs.
C.To make the skin waterproof.
D.To kill bacteria in the stomach.
- 7.
Which of the following is a non-communicable disease caused by an autoimmune response?
A.Malaria
B.Type 1 Diabetes
C.Tuberculosis
D.Cholera
- 8.
What does the term 'Morbidity' refer to in the study of non-communicable diseases?
A.The rate of death in a population.
B.The state of being diseased or the prevalence of a disease within a population.
C.The speed at which a virus spreads.
D.The process of burying the deceased.
- 9.
Which of the following is a 'Lifestyle Medicine' approach to reversing or managing Type 2 Diabetes?
A.Taking antibiotics every day.
B.Whole-food, plant-based nutrition, regular physical activity, and stress management.
C.Avoiding all forms of water intake.
D.Increasing the consumption of red meat and processed snacks.
- 10.
What is 'Insulinopenia'?
A.The overproduction of insulin by the liver.
B.An abnormally low level of insulin in the body, often seen in the late stages of Type 2 Diabetes.
C.The body's inability to absorb insulin from the digestive tract.
D.A condition where insulin is converted into glucose.
Download the worksheet for Health: The Ultimate Treasure - How are non-communicable diseases caused? to practice offline. It includes additional chapter-level practice questions.
How to Prevent and Control Diseases?
SubtopicHow to Prevent and Control Diseases? under Health: The Ultimate Treasure for Grade 8 CBSE.
Preview questions (no answers)
- 1.
Which of these methods is used to preserve dry fruits and vegetables?
A.Adding lots of water
B.Sealed airtight packets
C.Leaving them in the open
D.Keeping them in warm places
- 2.
Boiling water before drinking is recommended to:
A.Make it taste better
B.Kill the microorganisms present in it
C.Increase the mineral content
D.Cool it down
- 3.
Which of the following is caused by a fungus?
A.Malaria
B.Ringworm
C.Typhoid
D.Polio
- 4.
What is the full form of ORS, often used to treat dehydration in diseases like diarrhoea?
A.Oral Rectal Salt
B.Oral Rehydration Solution
C.Oxygen Recovery System
D.Oil Reduction Solution
- 5.
Examine the transmission pathway shown in the flowchart. If the pathogen involved is a virus and the biological carrier is the female mosquito, identify the disease represented by 'X'.
A.Malaria
B.Typhoid
C.Dengue
D.Cholera
- 6.
What role do antibodies play in our body?
A.They help in the digestion of food
B.They transport oxygen to cells
C.They identify and neutralize pathogens
D.They provide structural support to cells
- 7.
Which of the following is a symptom of 'Amoebic Dysentery'?
A.Joint pains
B.Severe abdominal pain and bloody stools
C.Dry cough and chest pain
D.High blood pressure
- 8.
Which of the following best summarizes 'Health' as described in the context of disease prevention?
A.Health is the mere absence of any physical disease.
B.Health is a state of complete physical, mental, and social well-being, maintained by hygiene, balanced diet, and immunization.
C.Health is the ability to work for 12 hours without getting tired.
D.Health is having a high count of red blood cells regardless of other factors.
- 9.
Why is 'Citrus Canker' considered a threat to agriculture?
A.It is a bacterial disease that causes lesions on the leaves and fruits of citrus trees, reducing yield.
B.It is a viral disease that kills the honeybees pollinating the trees.
C.It is a fungal disease that makes the soil toxic for other plants.
D.It is caused by protozoans that eat the roots of the trees.
- 10.
A piece of bread left in a moist, dark place develops a greyish-white cottony growth. This is caused by a/an:
A.Bacterium
B.Alga
C.Fungus (Bread Mould)
D.Virus
Download the worksheet for Health: The Ultimate Treasure - How to Prevent and Control Diseases? to practice offline. It includes additional chapter-level practice questions.
Treatment of diseases
SubtopicTreatment of diseases under Health: The Ultimate Treasure for Grade 8 CBSE.
Preview questions (no answers)
- 1.
What is the best way to prevent the spread of 'Athlete's foot'?
A.Sharing socks with others
B.Keeping feet clean and dry
C.Walking barefoot in public showers
D.Never washing your shoes
- 2.
Hepatitis A is primarily a disease of the:
A.Brain
B.Liver
C.Skin
D.Bones
- 3.
The medicine used to treat Malaria is often made from the bark of which tree?
A.Neem
B.Cinchona
C.Banyan
D.Peepal
- 4.
Which organism is known as a 'Friend' because it helps in fixing nitrogen in the soil?
A.Rhizobium
B.Virus
C.Plasmodium
D.Amoeba
- 5.
When treating an infectious disease like Typhoid that involves a high fever, doctors often address both the symptoms and the cause. Based on the treatment sequence shown in the diagram, what is the correct term for the class of medicine labeled 'Medicine X'?
A.Analgesics
B.Antipyretics
C.Antiseptics
D.Antibiotics
- 6.
Which of the following is a bacterial disease?
A.Influenza
B.Chickenpox
C.Anthrax
D.Malaria
- 7.
Which chemical found in tea and coffee acts as a mild stimulant but is not a medicine for diseases?
A.Nicotine
B.Caffeine
C.Quinine
D.Penicillin
- 8.
Which of these best describes the 'Germ Theory of Disease', which forms the basis for modern medical treatment?
A.Diseases are caused by bad air or 'miasma'.
B.Diseases are caused by the imbalance of four bodily fluids (humors).
C.Microorganisms (germs) are the cause of many infectious diseases.
D.Diseases are a punishment for bad behavior and cannot be treated with science.
- 9.
How does 'active immunity' differ from 'passive immunity' in terms of duration of protection?
A.Active immunity is short-lived; passive immunity is permanent.
B.Active immunity (from vaccines/infection) is generally long-lasting; passive immunity (from antibodies) is short-lived.
C.Both provide protection for exactly the same amount of time.
D.Passive immunity is only for children; active immunity is for adults.
- 10.
During the treatment of a viral outbreak, 'Contact Tracing' is often used. What is the goal of this strategy?
A.To find the origin of the virus in a laboratory.
B.To identify and monitor individuals who may have been exposed to an infected person to prevent further spread.
C.To draw a map of where the virus likes to live.
D.To collect money from people who got sick.
Download the worksheet for Health: The Ultimate Treasure - Treatment of diseases to practice offline. It includes additional chapter-level practice questions.