Botany Set -4 (Plant Diseases )

No. of questions -20

Time - 10 min

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