Botany Set -4 (Plant Diseases )

No. of questions -20

Time - 10 min

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