Botany Set -4 (Plant Diseases )

No. of questions -20

Time - 10 min

1. 
Zygogramma bicolorata
2. 
Tikka disease is related to which of the following crops?
3. 
Which of the following is NOT a seedborne disease?
4. 
Fruit cracking is due to the deficiency of:
5. 
The disease related with apple is knoen as:
6. 
Which of these is a bacterial disease that affects the plants?
7. 
Which of the following is not a method of the perpetuation of disease by the pathogen?
8. 
Red rot is disease of the following crop :
9. 
What causes Loose smut of wheat?
10. 
Red rot of sugar cane is caused by:
11. 
Which of the following is not related to Necrosis?
12. 
Which of the following crops is related to Karnal bunt disease?
13. 
Which of the following is not related to Rots?
14. 
Which of the following is not a method of reducing total biomass of crop?
15. 
Parthenium can be controlled by using bio-agents like:
16. 
Which of the following is not a method by which pathogens affect the yield of crops?
17. 
Plant diseases are broadly classified into nonparasitic and parasitic.
18. 
Which of the following is not true regarding Chlorosis?
19. 
Tea's red rust disease is caused by which of the following?
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