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Plant Pathology Online Quiz

This quiz is designed to assess your  understanding about the "plant pathology"Choose the best answer from the four options given. When you've finished answering as many of the questions as you can, scroll down to the bottom of the page and check your answers by clicking 'Score'. Percentage score will be displayed along with right answers.
1. Deficiency of which of these leads to interveinal chlorosis
magnesium
calcium
nitrogen
cobalt
2. Little leaf disease is due to the deficiency of
Nitrogen
Manganese
Sodium
Zinc
3. Mycotoxin produced by Aspergillus flavus
Phytoalexin
Dystrophin
Amphylotoxin
Aflatoxin
4. ‘Boll rot’ of cotton is caused by
Agaricus
Penicillium
Puccinia
Rhizopus
5. Puccinia graminis tritici occurring on the wheat crop is also named as
orange rust
black rust
green rust
yellow rust
6. Blast disease of rice is caused by
Piricularia oryzae
Scleroticum oryzae
Pseudomonas oryzae
Helminthosporium oryzae
7. The antibiotic streptomycin was isolated from
Streptomyces griseus
Streptomyces venezuele
Streptomyces rimosus
Streptomyces aureofaciens
8. Ratoon stunting disease of sugarcane is
Insect transmitted
Root transmitted
Soil transmitted
Sap transmitted
9. Red rot of Sugarcane is caused by
Piricularia oryzae
Phytophthora infestans
Colletotrichum falcatum
Xanthomaonas Oryzae
10. A dead area in the bark or cortex of the stem especially of woody plants is called
Spot
Canker
Die-back
Scorch
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