Black lung disease is common among
Coal miners
Refinery workers
Farmers
Petrochemical industry workers
‘Blood cancer' is also known as
Which of the following diseases is caused by a protozoan?
Give scientific reasons : Hepatitis $B$ and Bird flu $DNA$ vaccines are called Recombinant $DNA$ vaccines.
Which of the following immunoglobulin $(Ig)$ is present in colostrum?
Recently chikungunya and dengue cases were reported from various parts of the country. Choose the correct vector responsible for these diseases