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THIS PROJECT IS DONE BY :
M. ANITHA (X STD)
J. JAYA CHITRA(X STD)
UNDER GUIDANCE OF :
MRS. MALIKA( BOTANY)
INTRODUCTION
• Introduction
• Virology is the branch of Biology
• Which deals with the study of Virus.
• Virus Diseases in Man
• AIDS
• Advice For young Boys & Girls
• Conclusion
Living characteristics
• Virus cannot grow or undergo binary fission
• Virus posses only one type of nucleic acid
surround by a protein coat.
• Viruses are the simplest forms of life
Virus and Bacteria
Virus
Viruses multiply within
living cells
Viruses causes
disease in plant
Bacteria
Bacteria are living
ORGANISMS
Bacteria reproduce by
fission
Polio :
Polio is caused by polio virus. Paralysis is the
Main symptom. The disease spread through contaminated water ,
Food, milk, fingers etc.,
Chicken pox :
Chicken pox is caused by human herpes
virus – 3. the main symptoms is the appearance of rashes on the
Body.
AIDS stands for ACQUIRED IMMUNE DEFICIENCY
SYNDROME. AIDS is caused by a HUMAN IMMUNODEFICIENCY
VIRUS(HIV).
AIDS is a viral disease that is caught from some one
Who has the disease already.
The HIV attacks the immune system in the human body
And makes it not work properly.therefore deficiency occurs in the
Body.
What does HIV do inside the human body ?
(a) The virus find the ‘T’ cells in the blood. The ‘T’ cells are in
Charge of immune system.
(b) The virus enters the ‘T’ cell and destroys it.
(c) The virus as it destroys the cell replicates itself and
Produces a large number of virions of HIV.
When the immune system in the human body is destroyed,
The person with AIDS could catch any disease and die.
ADVICE FOR YOUNG BOYS AND GIRLS
You must lead a disciplined life at school ,
Hostel and at home. You must firmly stick on to high morals in your
Life. Do not inject yourself with any kind of drugs. Do not attempt
Sex with a boy or girl before marriage. If you are injured in an
Accident and if you need blood transfusion, get admitted in a
Standard hospital where you will get tested blood only.
1. Try to minimize pollution.
2. Try to promote personal hygiene.
3. Keep up the health rules.
4. To ensure better future for your forth coming in habitats of
earth.