Cysts are formed by:
A) Meloidogyne
B) Aphelenchoides
C) Heterodera
D) None of the above
Brown spot of maize is caused by:
A) Sclerospora sorghi
B) Physoderus zeamaydis
C) Alternaria solani
D) Cercospora perfonats
Anterior tinsel flagellum is characteristic of:
A) Chytridiomycetes
B) Hypochytridiomycetes
C) None of these
D) Both (A) & (B)
A virus particle with both nucleic acid and protein coat is known as:
A) Virion
B) Viriod
C) Capsid
D) All of above
Crystallization of viruses was done by:
A) Mayer
B) Stanley
C) Iwanowski
D) Bejerinck
First plant parasitic nematode was reported by:
A) Needham
B) Spallanzani
C) Cobb
D) Mayer
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