Which insect pest was controlled by Rodolia cardinalis introduced from Australia to USA?
ऑस्ट्रेलिया से अमेरिका लाए गए रोडोलिया कार्डिनालिस द्वारा किस कीट को नियंत्रित किया गया?
Practice official shift-wise question papers with answer keys and detailed explanations on the actual exam pattern.