Inflammatory response in allergy is due to the release of............from the mast cells.

Large group of lymphoid tissue in respiratory, digestive and urogenital tract are collectively called

Assertion: There is no chance of malaria to a man on the bite of male Anopheles mosquito.

Reason: It carries a non-virulant strain of Plasmodium.

‘Itaria-itaria' disease is caused by

The vector for causing sleeping sickness in man is

Which of the following is a pair of viral diseases?