7th Std Science Term 1 Solution in English | Lesson.6 Health and Hygiene

Lesson 6. Health and Hygiene

Lesson 6. Health and Hygiene

I . Choose the correct answer.

1. Ravi has sound mind and physically fit body. Which refers to

1. Hygiene
2. Health
3. Cleanliness
4. wealth

Ans : Health

2. Sleep is not only good for body, but it is also good for

1. Enjoyment
2. Relaxation
3. Mind
4. Environment

Ans : Mind

3. Our living place should be

1. Open
2. Closed
3. Clean
4. Unclean / Untidy

Ans : Clean 

4. The tobacco chewing causes

1. Anamia
2. Periodontitis
3. Tuberculosis
4. Pneumonia

Ans : Periodontitis

5. The first aid is to

1. To save money
2. To prevent scars
3. To prevent the medical care
4. To relieve the pain

Ans : To relieve the pain

II. Fill in the blanks:

1. A group of people living together in a particular area is called ______________ 

Ans : Community 

2. I am green colour box with garbage. Who am I? _____________

Ans : Bio degradable dust bin 

3. Eyes are considered as __________ to the world.

Ans : Windows

4. The hair follicles produce ___________ which keeps the hair smooth.

Ans : Oil

5. Tuberculosis is caused by the bacterium _________.

Ans : Mycobacterium Tuberculae 

III. Match the following:

IV. True of False.

1. All food should be covered.

Ans : True

2. Chicken pox also known as Leucoderma. 

Ans : False 

Cu. An : Chicken pox also known as varicella

3. Stomach ulcer is a non- communicable disease.

Ans : True.

4. Rabies is a fatal disease

Ans : True 

5. First – degree burns damage the whole skin

Ans : False 

Cu. An : Ginger is an underground Outer layer of the skin

V. Analogy.

1. First degree burn: epidermis :: second degree burn: ______________

Ans : Dermis

2. Typhoid : Bacteria :: Hepatitis : ________

Ans : Virus

3. Tuberculosis : air :: Cholera : ___________

Ans : Water

VI. Assertion and Reasoning types of Question

1. Both A and R are true
2. Both A and R are false
3. A is true but R is false.
4. A is false but R is true.

1. Assertion (A) : Pollination Oral hygiene is good.

Reason (R) : Sound teeth and healthy gums with healthy surrounding tissues.

Answer : Both A and R are true

2. Assertion (A) : Chicken pox is a viral communicable disease.

Reason (R) : Characterized by rashes on the whole body, fever, head ache and tiredness.

Answer : Both A and R are true

VII. Answer very briefly:

1. What is hygiene?

Hygiene is defined as the branch of health which is concerned with the individuals adjustment to the physiological needs of the body and minds for the attainment of the maximum level health.

2. Write about the right way of protecting the eyes.

• Do not rub the eyes
• Do not work on TV/ computer for a long time
• Use cold water for cleaning the eyes.
• Eat carrot and fruits like orange, sweet lemon and lemon.

3. How to keep your hair clean and healthy?

The regular hair wash and massage of the scalp will remove the dead skin cells, excess oil and dust.
Rinsing the hair well with clear water and using good toothed comb for hair dressing is highly essential for their maintenance.

4. Sobi frequently playing with her mobile. Suggest your ideas to protect her eye from irritation?

Antibiotic eye drops is used for eye irritation.

5. Give any two communicable disease, which spreads in your locality during monsoon?

Cholera and Typhoid.

6. What first aid will you provide in the case of bruises?

Apply antiseptic cream. Cover with a clean non-sticking cloth or bandages. Need immediate medical attention.

7. Ravi said “Ganga had minor burn, so I washed it with water” Do you agree with his statement? Explain, Why?

• Yes, I agree with Ravi’s statement.
• Incase of minor burns, The affected area should washed with cold water and an antiseptic cream should be applied.

VII. Answer very briefly:

1. Why the first aid is essential?

1. The first aid is essential
2. To save the life
3. To prevent further, bleeding and determine the condition of the patient.
4. To relieve the pain.
5. To provide the medical care available at the earliest.

2. What steps you will follow to keep the Teeth healthy?

1. Eat citrus fruits
2. Brush twice a day
3. Floss the teeth to prevent decay
4. Avoid chewing tobacco
5. Eat a well – balanced diet.

3. What this picture Explains?

• Do not throw waste and pollute the environment.
• To protect us from diseases it is essential to maintain environmental hygiene.

4. Distinguish between the following pairs Communicable diseases and Noncommunicable diseases

5. Name the mode of transmission of communicable disease.

Air, Water, Food, Vectors (insects and other animals)

6. Your friend says that her hair is thin, spares and lost very often. Suggest your ideas to reduce this problem.

To keep the hair clean and healthy:

The regular hair wash and massage of the scalp will remove the dead skin cells, excess oil
and dust.
Rinsing the hair well with clear water and using good toothed comb for hair dressing is
highly essential for their maintenance.

VIII. Answer in details:

1. Write about any three Communicable diseases in details.

Tuberculosis

• TB is caused by mycobacterium tuberculae and spreads from one person to another person through air by spitting and prolonged contact with sharing materials of the patient.
• The symptoms are fever, weight loss, chronic cough, bloody spitting and difficulty in breathing.

Prevention and Treatment:

• BCG vaccination
• Giving special attention to the patient.
• Regular medication like DOT

Cholera:

• Cholera is caused by vibrio cholera and spread through the consumption contaminated food or water.
• The symptom of cholera is vomiting, severe diarrhea and cramps in legs.

Prevention and Treatment:

• Washing hands before eating
• Drinking boiled water
• Avoid eating uncovered food from street vendores.
• Getting vaccination against cholera.

Hepatitis:

• It is most dangerous and fatal diseases caused by Hepatitis virus-A,B,C,D,E.
• Its mode of transmission is contaminated water, sharing of needles and blood transfusion.
• The symptoms of hepatitis is loss of appetite, vomiting, eyes and urine in yellow colour.

Prevention and Treatment:

• Drinking boiled water
• Proper cleaning of hands

2. List the situations in which first aid is given. What would you do if a person suffers from skin burns?

The situations for first aid,

• To save the life
• To prevent further bleeding and determine the condition of the patient.
• To relieve the pain
• To provide a medical care available at the earliest.

First AID for burning:

• Incase of minor burns the affected area should be washed with cold water and an antiseptic cream should be applied.
• In case of severe burns, where deeper layers of tissues get destroyed and blisters appear, use of water should be avoided.
• The burnt area should be covered with a clean non- sticking cloth or bandages. Larger burns need immediate medical attention.
• It is very important to keep a fire extinguisher readily available.

7. How the diseases are transmitted from one person to the other person?

Communicable diseases:

• Communicable diseases are those that spread one person to another.
• Healthy person must be protected from people with communication diseases.
• Diseases spread through contaminated air, water, food or vectors,

Diseases caused by Bacteria:

TB:

It is caused by mycobacterium tubeculae and spreads person to another through air by spitting and prolonged contact with sharing materials of the patient.

Cholera:

It is caused by vibrio cholera and spread through the consumption contaminated food or water.

Typhoid:

It is caused by salmonella typhi and spreads by contaminated food and water.

Diseases caused by virus:

Viral diseases are extremely wide spread infection caused by many types of viruses.

Hepatitis:

It is made of transmission is contaminated water, sharing of needles and blood transfusion.

Chicken pox:

This diseases spreads through air and contact with an infected person.

Rabies:

• The bite of the infected dog, rabbit, monkey, cat, etc.
• The virus present in the saliva of dog enters the brain via neurons.

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