Samacheer Kalvi 7th Science Term 1 Unit 6 Answers

Samacheer Kalvi 7th Science Term 1 Unit 6 Book Back Question and Answers:

Samacheer Kalvi 7th Standard Science Book Back 1 Mark and 2 Mark Question & Answers uploaded online and available PDF for free download. Class 7th New Syllabus Science Term I book back question & answer solutions guide available below for English Medium. Class Seventh Std Science English Medium Term 1 Unit 6 Health and Hygiene book back answers are given below. Students looking for class 7th Term I Unit 6 Questions and Answers can check below.

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Samacheer Kalvi 7th Science Book Back Term I Unit 6 Solution Guide PDF:

Science Subject 1 Mark and 2 Mark Solutions Guide PDF available below. Click the Download option to download the book back 1 Mark & 2 Mark questions and answers. Take the printout and use it for exam purposes.

Science – Term 1

Unit 6 Health and Hygiene

I. Choose the appropriate answer :

1. Ravi has a sound mind and a physically fit body. Which refers to
(a) Hygiene
(b) Health
(c) Cleanliness
(d) Wealth
Answer:
(b) Health

2. Sleep is not only good for body, but it is also good for
(a) Enjoyment
(b) Relaxation
(c) Mind
(d) Environment
Answer:
(c) Mind

3. Our living place should be
(a) Open
(b) Closed
(c) Clean
(d) Unclean / Untidy
Answer:
(c) Clean

4. The tobacco chewing causes
(a) Anamia
(b) Periodontitis
(c) Tuberculosis
(d) Pneumonia
Answer:
(b) Periodontitis

5. The first aid is to
(a) To save money
(b) To prevent scars
(c) To prevent the medical care
(d) To relieve the pain
Answer:
(d) To relieve the pain

II. Fill in the blanks :

1. A group of people living together in a particular area is called ______
Answer:
Community

2. I am a green color box with garbage. Who am I am _______
Answer:
Bio degradable waste

3. Eyes are considered as ________ to the world.
Answer:
windows

4. The hair follicles produce ______ which keeps the hair smooth.
Answer:
oil

5. Tuberculosis is caused by the bacterium ________ .
Answer:
Mycobacterium tuberculae

III. True (or) False, If false give the correct statement.

1. All food should be covered.
Answer:
True

2. Chicken pox is also known as Leucoderma.
Answer:
(False) Correct statement: Chicken pox is also known as vanicella.

3. Stomach ulcer is a non-communicable disease.
Answer:
True.

4. Rabies is a fatal disease.
Answer:
True

5. First-degree bums damage the whole skin.
Answer:
False. Correct statement: First -degree bums affect the outer layer (epidermis) of the skin only

IV. Match the following:

1.	Rabie	(a)	Salmonella
2.	Cholera	(b)	Yellow urine
3.	Tuberculosis	(c)	Cramps in legs
4.	Hepatitis	(d)	Hydrophobia
5.	Typhoid	(e)	Mycobacterium

Answer:

1 – d; 2 – c; 3 – e; 4 – b; 5 – a

V. Analogy.

1. First degree bum: epidermis :: second degree bum : _________
Answer:
Dermis.

2. Typhoid: Bacteria:: Hepatitis: _________
Answer:
Vims.

3. Tuberculosis : air:: Cholera: _________
Answer:
Water.

VI. Choose the correct alternative from the following:

1. Assertion (A): Oral hygiene is good.
Reason (R): Sound teeth and healthy gums with healthy surrounding tissues,
(a) Both A and R are true
(b) Both A and R are false
(c) A is true but R is false
(d) A is false but R is true
Answer:
(a) 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, headache, and tiredness.
(a) Both A and R are true
(b) Both A and R are false
(c) A is true but R is false
(d) A is false but R is true
Answer:
(a) Both A and R are true

VII. Answer Very Briefly:

1. What is hygiene?
Answer:
Hygiene refers to the good habits and their practices which is followed to prevent disease, maintain good health, especially through cleanliness, consumption of safe drinking water, and proper disposal of sewage. It refers to all those activities that are done for improving and maintaining good health and a sound mind.

2. Write about the right way of protecting the eyes?
Answer:
Practices to be followed for eye care.

Do not rub the eyes
Do not watch TV / Computer for a long time.
Use cold water for cleaning the eyes.
Eat a lot of carrots which are rich in vitamin A needed for good vision.
Eat fruits like oranges, sweet lemons, etc., regularly.

3. How to keep your hair clean and healthy?
To keep the hair clean and healthy:
Answer:

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

4. Sobi frequently plays with her mobile, suggest your ideas to protect his eye from irritation.
Answer:

Stop playing with the mobile for a long time
Keep the mobile at a distance from the eyes while playing.
Wash eyes with cold water at intervals.

5. Give any two communicable diseases, which spreads in your locality during monsoon?
Answer:

Cholera
Diarrhoea

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

Bruises refer to scratches. It is a surface damage that does not penetrate the lower tissues.
The affected area should be washed with cold running water and cleaned with an antiseptic cram on the wound.

7. Ravi said “Ganga had a minor burn, so I washed it with water” Do you agree with his statement or not? Explain Why?
Answer:

Yes, In case of minor bums, the affected area should be washed with cold water.
In case of severe bums, deeper layers of tissues get destroyed and blisters appear.

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28 Apr 2022