List two diseases that spread through droplets.

Which one of the following pair of diseases can spread through blood transfusion?

Name two diseases whose spread can be controlled by the erradication of Aedes mosquitoes.

Sexually transmitted diseases are not spread by which factors ?

It is said that diseases are spreading faster due to globalisation and increased movement of people . Justify the statement taking the example of H_5 N_1 virus.

It is said that diseases are spreading faster due to globalisation and increase movement of people. Justify the statement taking the example of H_3N_2 virus.

Which of the above mentioned diseases are transmitted through mechanical carriers?

List two sites with hinge joint.

List two metals which are easy to cut .

List two uses of Red list.