Question58:-The minimum number of field inspections essential for seed certification is higher in
A:-self-polliniated crops
B:-cross-pollinated crops
C:-often cross-pollinated crops
D:-vegetatively propagated crops
Correct Answer:- Option-B
Question59:-This quality seed class is essentially under the direct supervision of the originating breeder
A:-Breeder seed
B:-Foundation seed
C:-Registered seed
D:-Certified seed
Correct Answer:- Option-A
Question60:-The percentage seed germination required for certification in rice is
2:-85%
B:-70%
C:-75%
D:-80%
Correct Answer:- Option-D
Question61:-A rice variety resistant to gall midge
A:Jyothi

D:-Pavitra
Correct Answer:-Question Cancelled
Question62:-The biocontrol agent used for the management of coconut rhinocerous beetle
A:-Beauveria
B:-Metarhizium
C:-Paecilomyces
D:-Bacillus thuringiensis
Correct Answer:- Option-B
Question63:-The ETL for rice stem borer at mid tillering stage is
A:-10% dead heart
B:-5% dead heart
C:-2 ஈண்ட
D:-1 ௯07140
Correct Answer:- Option-A
Question64:-The chemical group which mimic the action of Acetly choline is
A:-Organophosphates
B:-Pyrethrins
C:-Avermectins
D:-Neonicotinoids
Correct Answer:- Option-D

Question65:-The mite pest that cause severe malformation of tender parts of vegetables similar to viral infection symptoms
is

A:-Tetranychus 50.

B:-Polyphagotarsonemus latus

C:-Raoiella indica

D:-Oligonychus indicus

Correct Answer:- Option-B
Question66:-A vitamin used as a rat poison is

D:-Vit. D1
Correct Answer:- Option-D
Question67:-The biological control agent used for managing nematoes is
A:-Verticuillum chlamydosporium
B:-Paecilomyces lilacinus
C:-Bacillus macerans