The drug 'cyclosporin' used for organ transplant patients is obtained from a
Bacterium
Fungus
Virus
Plant
Smoking addiction is harmful because it produces polycyclic aromatic hydrocarbons, which cause
The spread of cancerous cells to distant sites is termed as
Assertion : Escherichia coli, Shigella sp. and Salmonella sp. are all responsible for diarrhoeal diseases.
Reason : Dehydration is common to all types of diarrhoeal diseases and adequate supply of fluids and electrolytes should be ensured.
Black lung disease is common among