(B) 192
The dihybrid phenotypic ratio is 9 : 3 : 3 : 1.
9 - Tall yellow
3 - Tall green
3 - Dwarf yellow
1 - Dwarf green
∴ If there are 36 tall and green plants there will be 36 dwarf yellow, 12 dwarf green and 108 tall yellow plants. Thus the total number of progeny will be 192.