1. The most used methods for exclusion of the pathogens are..?
Correct : B. Regulatory measures.
2. The methods of control based on the principales of directly attacking the pathogens is/are..?
Correct : D. All of the above.
3. Avoiding the contact between the pathogen and host wouldn’t include..?
Correct : C. Eradication.
4. Quarantine regulations are enforced by..?
Correct : C. A state or country through legislation.
5. The quarantine regulations anticipate…?
Correct : A. That the disease or pathogen is not present in the country.
6. Certification is the method of management of pathogen..?
Correct : D. Avoiding the contact between the pathogen and the host.
7. Which is true about certification?
1.As far as possible only seeds certified as pathogen free are allowed to enter the country.
2.Other planting materials can be allowed to enter the country without certification.
3.Quarantine is needed for the seeds from foreign countries while it is certified.
4.Quarantine is not needed for the seeds from foreign countries while it is certified.
5.Is meant to prevent existing pathogens.
6.Isn’t meant to prevent existing pathogens.
Correct : B. 1, 3 and 5 are true.
8. …. will require education of the farmers?
Correct : D. Notification of the plant disease.
9. Theoretically …. is the most effective approach to keep pathogens away from the area?
Correct : C. Exclusion.
10. SAR stands for…?
Correct : A. Systemic Acquired Resistant.
11. SAR is approached through..?
Correct : C. Both a and b.
12. Which is not a type of eradication?
Correct : D. All are true.
13. The eradication methods of sieving, steeping in brine are..?
Correct : B. Physical method.
14. The internally seed-borne infection can be destroyed by..?
Correct : D. All of the above.
15. The plant and field sanitation for reduction of inoculum anticipates..?
Correct : A. Pathogen has entered the area and has established itself in the fields.
16. The eradication of plant disease means..?
Correct : C. Both a and b.
17. The eradication of alternative hosts is done..?
Correct : D. Both b and c.
18. The field sanitation practice may include..?
Correct : D. All of the above.
19. The objective of field sanitation is..?
Correct : C. Both a and b.
20. The protective application are undertaken with the assumption that..?
Correct : C. The entry of the pathogen can’t be avoided and is likely to appear through wind borne primary or secondary inoculum from a nearby source.
21. The Wettable powder contains …. active ingredient?
Correct : C. 60 – 80%.
22. The dusts formulation contains… active ingredient?
Correct : B. 4 – 10%.
23. Which is true about EC and fungicides..?
Correct : A. Fungicides are not commonly formulated as EC.
24. The percentage of a.i. in granules is …. as compared to dusts formulation?
Correct : B. Low.
25. Which is true about solutions?
Correct : B. No agitation is required after adding in water.
26. The percentage of a.i. in suspension is ..?
Correct : C. Similar to WP.
27. Which is true about suspensions?
Correct : B. They are mixed with water and require agitation.
28. Which is not a type of formulation of synthetic chemical?
Correct : D. All are the formulations.
29. Which is a type of material used for chemical control?
Correct : D. All of the above.
30. Which is a spray material?
Correct : A. Fungicide as WP.
31. The spray materials are used as..?
Correct : B. Plant surface protective material.
32. Dust materiales are use as..?
Correct : D. Insoluble powders are used as plant surface protective material.
33. The seed treatment materiales are used as..?
Correct : D. All of the above.
34. On the basis of their tenacity the seed treatment materials are of..?
Correct : B. 2 types.
35. Which is not a type of seed treatment material..?
Correct : C. Seed coverers.
36. Which is true about seed disinfestans..?
Correct : B. Disinfest the seed and remain active for long after seed has been planted.
37. Which is true about seed protectants?
Correct : C. Disinfest the seed and give temporary protection after seed has been planted.
38. Consider about soil treatment chemicals..
1.Complete control of the plant disease is obtained.
2.Complete control of the plant disease is not obtained.
3.The fungal disease is suppressed by the chemical.
4.The fungus always killed by the chemical.
5.Nematicides destroy the nematodes but eggs escape.
Correct : A. Only 2, 3 and 5 are true.
39. Following points should be considered at the time of deciding about sue of soil treatment chemicals..?
Correct : D. All of the above.
40. PCNB (quintozone) is..?
Correct : C. High persistent in soil.
41. In present soil fumigants are of..?
Correct : A. 2 types.
42. Which is an outdated type of soil fumigants..?
Correct : C. Chemical fumigants.
43. Which is true about soil fumigants..?
Correct : A. On a small scale the chemical is often applied to the soil which is then covered with polythene sheets for a specified time.
44. Which is true about soil fumigants..?
Correct : C. On a large scale the soil surface may be packed following the treatment.
45. The fungicidal pastes…?
1.Used in dressing of pruned surface of the tree.
2.Prepared by using copper sulphate plus lime.
3.Prepared by using copper carbonate plus red lead.
4.Lanoline is used as suitable adhesive.
Correct : D. All are true.
46. Which is an antibiotic used for plant protection?
Correct : D. All of the above.
47. Which is true about plant antibiotics?
Correct : D. All are true.
48. The systemic fungicides have..?
Correct : A. Curative effect.
49. Which type of fungicide is potentially most effective and economical?
Correct : C. Systemic fungicides.
50. A pathogen often develops resistant against..?