Idiom
Select the correct statement about active and passive immunity.

A vaccination is an example of the introduction of passive immunity into the body
Active and passive humoral immunity are both mechanisms of adaptive immunity that useantibodies
Immunological memory is established by passive immunization
The antibodies utilized in active immunity are acquired from another organism

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Idiom
For each of the following sentences four alternatives are given. You are required to choose the correct meaning of the idiom or phrase given or underlined in the sentence. If you pass this difficult examination, it will be a feather in your cap.

your parents will be very happy
you will get a scholarship for higher studies
you will feel proud of it
you will get a very good job

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