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प्रश्न
Distinguish between active immunity and passive immunity.
उत्तर
| No. | Active Immunity | Passive Immunity |
| a. | When resistance is developed by individuals as a result of an antigenic stimulus it is called active immunity. |
When ready-made antibodies are directly given to protect the body against foreign agents, immunity is called ‘Passive immunity’. |
| b. | The types of active immunity are natural acquired active immunity and artificial acquired active immunity. | The types of passive immunity are natural acquired passive immunity and artificially acquired passive immunity. |
| c. | It has no side effects. | It may cause a reaction. |
| d. | It provides relief only after a long period. |
It provides immediate relief. |
| e. | It is long-lasting immunity. | It is short-lived immunity. |
| f. | e.g. Polio vaccine, BCG vaccine, etc. | e.g. Rabies vaccine, maternal antibodies, etc. |
संबंधित प्रश्न
The entire body is protected from attack from its own immune system due to the ______
Which of the following are characters of acquired immunity?
The most significant percentage of immunoglobulin in cow's milk is ______.
Transplantation of tissues/organs fails after due to non-acceptance by the patient's body which type of immune response is responsible for such rejections?
Acquired immunity is due to ______
Apis mellifera are killer bees possessing toxic bee venom. Identify the treatment and the type of immunity developed from the given table to treat a person against the venom of this bee.
Highlight the structural importance of an antibody molecule with a diagram. Name the four types of antibodies found to give a humoral immune response, mentioning the functions of two of them you have studied.
Different types of antibodies are produced in our body by the B-lymphocytes in response to a pathogen that enters in our blood. Name any two antibodies produced and draw a schematic representation of an antibody molecule and label its four parts.
The decrease in the T-lymphocyte count in human blood will result in ______.
| Robert was suffering from chronic renal failure. At the doctors’ recommendation of transplantation of kidney received from a healthy donor, Robert underwent kidney transplant. However, after two weeks, the transplanted kidney was rejected by the immune system of Robert. |
- Identify and define the type of immune response that is responsible for the rejection of the grafted organ.
- Suggest a clinical method by which the rejection of the transplanted organ can be prevented.
