In which one of the following options the two examples are correctly matched
Channel: Doubtnut
Date: 2020-02-17

In which one of the following options the two examples are correctly matched with their particular type of immunity ? ltimg src=\"https://d10lpgp6xz60nq.cloudfront.net/physics_images/ALN_BIO_C13_E08_042_Q01.png\" width=\"80%\"gt