Which of the following is used in the production of the recombinant Hepatitis B vaccine?
1. Yeast
2. Microsporum
3. E coli
4. Streptococcus

Antivenom injection contains preformed antibodies while polio drops that are

administered into the body contain

1. harvested antibodies

2. gamma globulin

3. attenuated pathogens

4. activated pathogens

Which of the following is used to make vaccines?

1. Activated pathogen

2. Pathogen blocked by antibody 

3. Attenuated pathogen 

4. None of the above

The tratment of snake-bite by antivenom is an example of 

1. artificially acquired active immunity 

2. artificially acquired passive immunity 

3. naturally acquired passive immunity 

4. specific natural immunity. 

Short-lived immunity acquired from mother to foetus placenta or through mother's milk to the infant is categorised as

1. cellular immunity
2. innate non-specific immunity
3. active immunity
4. passive immunity