Biology TRUE / FALSE

WHO procures and provides blood to victims of war.

Passive immunity develops after having a disease.

Active immunity means that antibodies are produced by the individual itself.

Salk vaccine is used against tuberculosis.

Our body can make only a limited variety of different antibodies.

Chemicals applied to spots and places to kill harmful microorganism are called disinefectants.

Penicillin is a disinfectant.

DDT is a disinfectant.