What is the causative agent of the following diseases?
(a) Rust of wheat (b) Citrus canker (c) Yellow vein mosaic of bhindi (Okra)
What is the mode of transmission of communicable diseases?
State the causative micro-organisms and modes of transmission of the following human diseases.
Polio, cholera, hepatitis B.
What is the mode of transmission of diarrhoeal diseases ?
What is the mode of transmission of the disease 'taeniasis'?