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तामिळनाडू बोर्ड ऑफ सेकेंडरी एज्युकेशनएस.एस.एल.सी. (इंग्रजी माध्यम) इयत्ता ७

A person is sleeping during day time. Why does this happen to some people that they feel sleepy during day time in office or in the classroom? Have you ever come across such situation? Explain.

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प्रश्न

Higher order thinking question.

A person is sleeping during day time. Why does this happen to some people that they feel sleepy during day time in office or in the classroom? Have you ever come across such situation? Explain.

थोडक्यात उत्तर
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उत्तर

  1. Many people are tired and do not have the energy to perform day-to-day activities. They are tired and tend to sleep in the classroom or workplace. Though this can be due to various reasons, the common reason for this condition is Anaemia.
  2. People who are Anaemic have less number of Red blood cells in their blood.
  3. The Red blood cells have hemoglobin which carries oxygen to all the cells of the body.
  4. People who are Anaemic will have less oxygen supply to all the cells of the body.
  5. Energy production in the cells is less and they feel tired and sleepy always. This is due to the diet. Prevention: Eat food rich in Iron.
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पाठ 6: Health and Hygiene - Evaluation [पृष्ठ ८६]

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

संबंधित प्रश्‍न

Any droplet — borne disease. 


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.


Fill in the blanks: 

Protruding belly is a symptom noticed in ......................


 Answer the following question:  

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


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)

Which body part produces insulin?


Fill in the blank: 

Intake of inadequate or excess food or unbalanced diet leads to .................  


Biting nails should be strictly avoided. Give reason.


I am green colour box with garbage. I am ______.


The hair follicles produce ______ which keeps the hair smooth.


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