Health And Hygiene

Samacheer Book Back Questions And Answers For Science Standard 7 Term 1 “Health And Hygiene“

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

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

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

4. The tobacco chewing causes
(a) Anaemia
(b) Periodontitis
(c) Tuberculosis
(d) Pneumonia

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

II. Fill in the blanks:
1. A group of people living together in a particular area is called _____.
2. I am green colour box with garbage. Who am I?
3. Eyes are considered as to the world.
4. The hair follicles produce which keeps the hair smooth.
5. Tuberculosis is caused by the bacterium.

Answers:
1. Community
2. Bio degradable waste
3. Windows
4. Oil
5. Mycobacterium tuberculae

III. True (or) False, If false give the correct statement:
1. All food should be covered.
2. Chicken pox also known as Leucoderma.
3. Stomach ulcer is a non-communicable disease.
4. Rabies is a fatal disease.
5. First – degree bums damage the whole skin.

Answers:
1. True
2. False (Chicken pox is also known as varicella)
3. True
4. True
5. False (First – degree burns affects the outer layer called 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

Answers:
1. D
2. C
3. E
4. B
5. A

V. Analogy:
1. First degree bum: epidermis:: second degree bum : _____.
2. Typhoid: Bacteria:: Hepatitis: _____.
3. Tuberculosis: air:: Cholera: _____.

Answers:
1. Dermis
2. Virus
3. 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

2. Assertion (A): Chicken pox is a viral communicable disease.
Reason (R): Characterized by rashes on the whole body, fever, head ache 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

Visit Our YouTube Channel For More Free Videos: Click Here