Short Answer TypeWhat are the various routes by which transmission of human immuno-deficiency virus takes place?
Long Answer TypeWhat is the mechanism by which the AIDS virus causes deficiency of immune system of the infected person?
Short Answer TypeHow is a cancerous cell different from a normal cell?
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Normal Cells |
Cancerous cells. |
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1. They have a slow and limited growth. |
1. They have a rapid division and are immortal. |
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2. Contact inhibition present. |
2. No contact inhibition is present. |
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3. Cell growth and differentiation is controlled. |
3. Cell growth and differentiation is uncontrolled. |
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4. Do not show the property of metastasis. |
4. Show the property of metastasis. |
Long Answer TypeWhy is that once a person starts taking alcohol or drugs, it is difficult to get rid of this habit? Discuss it with your teacher.
In your view what motivates youngsters to take to alcohol or drugs and how can this be avoided?
Short Answer TypeHow does the transmission of each of the following diseases take place?
(a) Amoebiasis
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