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प्रश्न
Differentiate between
Innate immunity and acquired immunity
उत्तर
| Innate immunity | Acquired immunity |
| Innate immunity is the inborn resistance against infections that an individual possesses right from birth, due to his genetic or constitutional markup. | Acquired immunity is the resistance against infecting foreign substances that an individual acquires or adapts during the course of life. |
APPEARS IN
संबंधित प्रश्न
Name and explain the type of barriers which involve macrophages.
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| When a microorganism invades a host, a definite sequence of events usually occurs leading to infection and disease, causing suffering to the host. This process is called pathogenesis. Once a microorganism overcomes the defence system of the host, development of the disease follows a certain sequence of events as shown in the graph. Study the graph given below for the sequence of events leading to the appearance of a disease and answer the questions that follow: |
(a) In which period, according to the graph there are maximum chances of a person transmitting a disease/infection and why? (1)
(b) Study the graph and write what is an incubation period. Name a sexually transmitted disease that can be easily transmitted during this period. Name the specific type of lymphocytes that are attacked by the pathogen of this disease. (2)
OR
(b) Draw a schematic labelled diagram of an antibody. (2)
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