Health and Hygiene
Each subtopic includes About section, revision page link, 10 preview questions, and practice CTAs.
Concept of Allergy
SubtopicConcept of Allergy under Health and Hygiene for Grade 7 ICSE.
Preview questions (no answers)
- 1.
In the context of allergies, what does the term 'trigger' refer to?
A.The part of a gun
B.A substance that starts an allergic reaction
C.A medicine that cures allergy
D.A type of exercise
- 2.
Which of these is the most effective way to manage a dust allergy at home?
A.Using heavy curtains
B.Regular vacuuming with a HEPA filter
C.Leaving windows open during a dust storm
D.Keeping many soft toys on the bed
- 3.
A person who is allergic to seafood should be most careful while eating:
A.Crabs and prawns
B.Chicken and mutton
C.Spinach and kale
D.Apples and oranges
- 4.
Which of these is a common allergic reaction to soaps and dyes?
A.Stronger skin
B.Contact dermatitis
C.Increased hair growth
D.Loss of hearing
- 5.
How can regular vacuuming with a HEPA filter help a person with allergies?
A.It removes allergens like dust mites and pet dander from the floor.
B.It adds moisture to the air to prevent dryness.
C.It kills all the bacteria in the room.
D.It cools the room down significantly.
- 6.
What happens when an allergen is 'injected' into the body, such as through an insect sting?
A.The allergen is digested by the stomach.
B.The allergen enters the bloodstream or tissues directly.
C.The allergen is filtered out by the nose.
D.The allergen remains only on the surface of the skin.
- 7.
Which of these is a common 'trigger' for seasonal allergies during the spring?
A.Heater smoke
B.Pollen from trees
C.Frozen foods
D.Woolen blankets
- 8.
In the management of allergies, what is the 'Avoidance Strategy'?
A.Ignoring the symptoms until they go away
B.Identifying and staying away from the specific triggers of the allergy
C.Avoiding all types of food and water
D.Avoiding doctors and hospitals
- 9.
Which of these substances is a non-protein allergen that can still trigger a reaction by binding to proteins in the skin?
A.Nickel
B.Distilled water
C.Pure oxygen
D.Table salt
- 10.
Identify the primary route of entry for an allergen that causes 'Contact Dermatitis'.
A.Inhalation
B.Ingestion
C.Absorption through the skin
D.Injection into the bloodstream
Download the worksheet for Health and Hygiene - Concept of Allergy to practice offline. It includes additional chapter-level practice questions.
Types of Allergens
SubtopicTypes of Allergens under Health and Hygiene for Grade 7 ICSE.
Preview questions (no answers)
- 1.
Which of these is a food allergen often found in breakfast cereals and breads?
A.Oats
B.Salt
C.Water
D.Pepper
- 2.
Which of these is a common allergen that can be found in a bird's nest or feathers?
A.Mites
B.Gold
C.Iron
D.Carbon
- 3.
Which of these is a common indoor allergen often found in heavy curtains and carpets?
A.Sunlight
B.Dust
C.Oxygen
D.Carbon dioxide
- 4.
Which of these chemicals used in swimming pools can sometimes cause allergic-like skin or eye irritation?
A.Salt
B.Chlorine
C.Sugar
D.Baking soda
- 5.
Mustard seeds and products derived from them are common allergens. How do these allergens typically enter the human body?
A.Through the skin
B.Through the respiratory tract
C.Through the digestive tract
D.Through insect bites
- 6.
Adhesives used in medical bandages can cause redness and itching at the site of application. This makes the adhesive a:
A.Contact allergen
B.Inhaled allergen
C.Ingested allergen
D.Injected allergen
- 7.
Which food item is a well-known 'Ingestant' that contains high levels of histamine-releasing triggers for some people?
A.Strawberries
B.Brown rice
C.Boiled potatoes
D.Steamed cauliflower
- 8.
If a person is allergic to 'Bee stings', what is the specific allergen category they should be most cautious of?
A.Injected allergens
B.Ingested allergens
C.Contact allergens
D.Inhaled allergens
- 9.
Which of these is a typical symptom of an 'Inhalant' allergen affecting the upper respiratory tract?
A.Allergic Rhinitis (sneezing, runny nose)
B.Urticaria (hives on the legs)
C.Diarrhea and abdominal cramps
D.Joint pain and swelling
- 10.
Why is 'Egg White' generally more allergenic than 'Egg Yolk'?
A.The white contains more proteins like 'Ovalbumin' which are highly antigenic.
B.The yolk contains fats that neutralize all allergens.
C.The white is more acidic and burns the throat.
D.The yolk is only eaten when cooked, while the white is always eaten raw.
Download the worksheet for Health and Hygiene - Types of Allergens to practice offline. It includes additional chapter-level practice questions.
Symptoms of Allergies
SubtopicSymptoms of Allergies under Health and Hygiene for Grade 7 ICSE.
Preview questions (no answers)
- 1.
In which part of the body do the symptoms of 'hives' appear?
A.The skin
B.The stomach
C.The lungs
D.The brain
- 2.
Itchy ears can sometimes be an unusual but real symptom of:
A.Hay fever
B.Eating too much
C.Exercise
D.Watching TV
- 3.
Inflammation of the nasal passage due to allergies causes which of these symptoms?
A.Difficulty breathing through the nose
B.Difficulty hearing
C.Difficulty swallowing
D.Difficulty walking
- 4.
Sneezing several times in a row after opening an old, dusty book is a characteristic symptom of:
A.Allergic rhinitis
B.Food allergy
C.A broken nose
D.Healthy lungs
- 5.
If an individual develops abdominal pain and diarrhea shortly after consuming milk, and also has hives, which condition is most likely?
A.Lactose intolerance
B.Milk allergy
C.Common cold
D.Bacterial dysentery
- 6.
What is the primary difference in the duration of symptoms between a typical viral infection and a seasonal allergy?
A.Viral infections last for months
B.Allergy symptoms persist as long as the allergen is present
C.Allergies always end within 24 hours
D.Infections are shorter if you go outside
- 7.
A person allergic to bee venom may experience 'generalized' symptoms. What does this mean?
A.Symptoms are confined to the sting site
B.Symptoms appear all over the body, away from the sting
C.The symptom only involves the digestive system
D.The symptom lasts for only five seconds
- 8.
Which symptom is often the first sign of a food allergy in infants?
A.High fever
B.Atopic dermatitis (Eczema)
C.Loss of hearing
D.Joint pain
- 9.
Why might a person feel 'Dizzy' or 'Lightheaded' during a severe allergic reaction?
A.Due to increased blood flow to the brain
B.Due to a sharp drop in blood pressure reducing oxygen delivery to the brain
C.Because the ears become blocked with wax
D.Because they are breathing too much oxygen
- 10.
What is the medical term for 'Hay Fever' symptoms caused by seasonal allergens?
A.Acute Bronchitis
B.Seasonal Allergic Rhinitis
C.Chronic Sinusitis
D.Laryngitis
Download the worksheet for Health and Hygiene - Symptoms of Allergies to practice offline. It includes additional chapter-level practice questions.
Precautions and Treatments
SubtopicPrecautions and Treatments under Health and Hygiene for Grade 7 ICSE.
Preview questions (no answers)
- 1.
What does a high body temperature (fever) usually indicate?
A.The body is very hungry
B.The body is fighting an infection
C.The person is very happy
D.The person has finished exercising
- 2.
Which of the following is a primary source of Vitamin D?
A.Rice
B.Sunlight
C.Salt
D.Water
- 3.
What is the purpose of 'Vaccination'?
A.To cure a disease after it happens
B.To provide the body with memory to fight future infections
C.To make the person feel hungry
D.To increase the body temperature
- 4.
Why should we avoid sharing personal items like towels and combs?
A.To save money
B.To prevent the transfer of skin infections or lice
C.To keep the items new
D.To avoid getting them wet
- 5.
Which of the following is a symptom of a common cold that differentiates it from a severe bacterial throat infection?
A.High fever lasting for two weeks
B.Runny nose and sneezing
C.Inability to walk
D.Sudden loss of weight
- 6.
Why is it important to wash the skin around a wound before applying a bandage?
A.To make the bandage stick better
B.To remove dirt and bacteria that could enter the wound and cause infection
C.To cool the skin temperature down
D.To stop the production of sweat in that area
- 7.
Which of these methods is used for sterilizing surgical instruments to make them completely germ-free?
A.Washing them with cold tap water
B.Heating them in an autoclave using high-pressure steam
C.Wiping them with a dry paper towel
D.Keeping them in a dark cupboard
- 8.
In the 'Lytic Cycle' of a virus, why is the treatment of viral infections more difficult than bacterial ones?
A.Viruses are much larger and harder to hit with medicine.
B.Viruses use the host's own cellular machinery to replicate, so drugs that kill the virus often harm the host's cells.
C.Viruses only live in the blood, while bacteria live in the organs.
D.Viruses have thick cell walls made of cellulose.
- 9.
Which of the following is the most scientifically accurate reason for the formation of a 'Scab' over a healing wound?
A.It is a collection of dried dirt from the environment.
B.It is a protective crust formed by dried blood (fibrin and platelets) that prevents further blood loss and entry of pathogens.
C.It is a layer of dead bacteria that have lost the battle against the body.
D.It is the skin turning into bone to make it stronger.
- 10.
How does the 'Heimlich Maneuver' assist a person who is choking on a foreign object?
A.It uses abdominal thrusts to create an artificial cough by forcing air out of the lungs.
B.It involves hitting the person's head to shake the object loose.
C.It uses a vacuum to suck the object out of the throat.
D.It makes the person swallow the object faster into the stomach.
Download the worksheet for Health and Hygiene - Precautions and Treatments to practice offline. It includes additional chapter-level practice questions.