Diseases are broadly grouped into infectious and non-infectious diseases. In the list given below, identify the infectious diseases.

I. Cancer                                    II. Influenza
III. Allergy                                  IV. Smallpox
1. I and II                               
2. II and III
3. III and IV                             
4. II and IV

The sporozoites that cause infection when a female Anopheles mosquito bites a human being, are stored in

1. liver of the person                      
2. RBCs of mosquito
3. salivary glands of mosquito     
4. gut of mosquito

Haemozoin is a:

1. precursor of haemoglobin
2. toxin released from Streptococcus infected cells
3. toxin released from Plasmodium infected cells
4. toxin released from Haemophilus infected cells