Malaria is caused by
Ascaris
Foul air
Plasmodium
Mosquito
Which one of the following pairs of diseases is viral as well as transmitted by mosquitoes ?
Thalidomide is a non-barbiturate sedative drug which was to be given to pregnant women. Its use was withdrawn in $1961$ because it resulted in phocomelia. This condition illustrates
Which of the following cells is phagocytic in nature
If a person shows production of interferons in his body, the chances are that he has got an infection of
What constitutes the Immune system and what role does it play in the Human body ?