Force And Laws Of Motion

  • Question 1
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    How many times did you fall ill in the last one year? What were the illnesses?

    (a) Think of one change you could make in your habits in order to avoid any of/most of the above illnesses.

    (b) Think of one change you would wish for in your surroundings in order to avoid any of/most of the above
    illnesses.

    Solution

    Last one year i felt sick three times. The illness were -typhoid, dysentry, viral fever.

    (a) One change in habit that would avoid the illness is drinking safe and pure filtered/boiled water and avoid eating uncovered food. 

    (b) One change in surroundings to avoid diseases is that there should be no accumulation of garbage and stagnant water in the surroundings.

    Question 2
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    A doctor/nurse/health-worker is exposed to more sick people than others in the community. Find out how she/he avoids getting sick herself.

    Solution

    A doctor/nurse/health-work can avoid getting sick by following these habit -:

    (i) Wearing a mask  to cover mouth and nose to avoid infection when in contact with or near a diseased person.

    (ii) Using gloves to avoid direct contact with wounds infections and disesed people.       

    (iii) Drinking safe water and eating healthy and nutritious food to keep the immune sustem strong.

    (iv)  Maintaining personal hygiene  i.e., personal cleanliness, washing hand with dettol/savlon etc. after handling equipment, clothes etc. of patients. 

    (v)  Keep the surroundings clean.  

     

     

     

    Question 3
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    Conduct A survey in your neighbourhood to find out what the three most common diseases are. Suggest three steps that could be taken by your local authorities to bring down the incidence of these diseases.

    Solution

    The three most ommon diseases in the neighbourhood are dysentry, malaria, viral fever.

    The three preventive measures that could be taken by the local authorities are 

    1. Keeping the area clean i.e., removal of garbage from the streets/ houses and storage in a covered place till it is disposed off. Proper  sanitation and cleaning of drains and proper disposal of sewer water.

    2. Cleaning and removal of stagnant water and breeding places of mosquitoes like ditches with stagnant water. Pouring of oil over the stagnant water to kill the larvae of mosquitoes. Spraying of chemicals/smoke in neighbourhood to kill mosquitoes.

    3. Ensure supply of safe drinking water. Regular cleaning of the water supply resources. 

     

    Question 4
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    A baby is not able to tell her/his caretakers that she/he is sick. What would help us to find out

    (a) that the baby is sick?

    (b) what is the sickness?

    Solution

    (a) The symptoms like fever, loose motions, vomiting and signs like behavioural changes like constant crying, irritation etc, can tell that the baby is sick. 

    (ii) The symptoms like vomoting, fever, loose motions indicate that the baby is suffering from diarrhoea. But to pinpoint the disease the baby should be taken to a doctor and further laboratory tests should be done in order to diagnose the disease.

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