Botany Set -4 (Plant Diseases )

No. of questions -20

Time - 10 min

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