11.
Part of the plant where characteristic symptom of Ufra disease in rice is very spectacular is

12.
Earias vitella is the pest of

13.
Replication of DNA by rolling circle mechanism give rise to a

14.
Cotton variety Abhadita is resistant to

15.
Transgenic crop which have highest area in world is

16.
Nematode of industrial importance is

17.
Which insect is used as 'Ecological indicator'?

18.
Secondary metabolites like antibiotics are not essential for

19.
1st detailed classification of insect was done by

20.
Blue disease of cotton is transmitted by

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