Which of them is a poisonous mushroom?
A) Agaricus
B) Volvariella
C) Peasurotus
D) Amanita
Transduction is a process of multiplication in:
A) Fungi
B) Bacteria
C) Bacteriophages
D) Nematode
The organisms lacking a well-defined nucleus are termed:
A) Fungi
B) Prokaryote
C) Eukaryote
D) Protozoa
Which one of the following is known as downy mildew fungus?
A) Erysiphe
B) Sclerospora
C) Taphrina
D) Urocystis
Which one of the following pairs of crop and disease is correctly matched?
A) Cabbage - Early blight
B) Cucumber - Club root
C) Potato - Black wart
D) Tomato - White rust
Which was the first plant bacterial disease reported?
A) Angular leaf spot of cotton
B) Citrus canker
C) Fire blight of apple
D) Bacterial blight of tomato
Which one of the following fungicide groups consists of systemic?
A) Bavistin, Topsin-M, Captan
B) Plantvax, Emisan, Calisin
C) Vitavax, Bavistin, Calisin
D) Ziram, Plantvax, Blitox

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