Fill in the blanks by choosing correct option from the following
I. Puccinia causes ………. disease in wheat.
II. Blast is a …………. disease of paddy.
III. Chemical used to kill weeds are called ……… .
IV. Pesticides are ………… chemicals. Choose the correct option.
A. rust, fungal, weedicides, toxic
B. fungal, rust weedicides, toxic
C. rust, viral, pesticides, toxic
D. rust, bacterial, weedicides, toxic
