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तमिलनाडु बोर्ड ऑफ सेकेंडरी एज्युकेशनएसएसएलसी (अंग्रेजी माध्यम) कक्षा ७

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

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प्रश्न

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

संक्षेप में उत्तर
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उत्तर

The condition of the hair reflects the nutritional status and general health of the body. Thin, sparse and lots of hair indicates poor nutritional status.
The following measures will help to maintain hair growth and avoid hair loss.

  1. The regular hair wash and massage of the scalp will remove the dead skin cells, excess oil and dust.
  2. Rinsing the hair well with clear water and using good toothed comb for hair dressing is highly essential for their maintenance.
  3. Eating a balanced diet which provides all nutrients needed for the body will promote hair growth.
  4. Applying oil to the skin and massaging the scalp will promote hair growth.
  5. Use of chemicals (dyes, shampoos) must be used to avoid hair loss.
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अध्याय 6: Health and Hygiene - Evaluation [पृष्ठ ८६]

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सामाचीर कलवी Science - Term 1 [English] Class 7 TN Board
अध्याय 6 Health and Hygiene
Evaluation | Q VIII. 6. | पृष्ठ ८६

संबंधित प्रश्न

Given a crossword puzzle. Read the clues across and clues downward, and fill up the blank squares. Check up your performance with the correct solution given at the end. 

Clues across

  1. Category of the pathogen that causes diseases, like common cold and mumps.
  2. These may readily grow in your hair if you do not wash it regularly.
  3. This is the vaccine for preventing tuberculosis.
  4. Cover this part of your body by a handkerchief while sneezing to prevent droplet infection to others.
  5. The disease pertussis is popularly known as whooping
  6. One of the most common insects which visit our exposed foods and contaminates them.
  7. A disease that weakens the body’s defense system 

8. Germ or germ – substance introduced into the body to prevent the occurrence of an infectious disease.

9. A disease in which the eyes, the skin, and the urine turn yellow.

10. An organ usually affected by tuberculosis.

11.A disease caused by the bite of an infected dog, and which affects the central nervous system.


Differentiate between undernutrition and malnutrition. 


 Answer the following question:  

What is meant by PEM? Name the diseases caused by PEM. 


 Answer the following question:  

Give the symptoms of kwashiorkor and marasmus.


Define the following: 

Pathogen  


 Mention the causal organisms of the following diseases:  

Chickenpox


Multiple choice questions. Tick (✓) the correct choice: 

 Malfunctioning of pancreas causes 

  1. diabetes 
  2. arthritis
  3. cataract
  4. goitre

Why should you not allow water to stagnate near your house? 

 


Crossword Puzzle 
DOWN

  1. A disease caused due to the bite of a mad dog. (6)
  2. Kwashiorkor and marasmus are caused due to the deficiency of this food component. (7)
  3. A disease causing bleeding gums. (6)
    ACROSS
  4. A disease due to deficiency of vitamin D. (7)
  5. Diabetes is caused due to deficiency of this hormone. (7)
  6. The deficiency of this mineral causes anaemia. (4)

What is conjunctivitis? 


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