Q. PCNB (quintozone) is..?
✅ Correct Answer: (C)
High persistent in soil.
Plant Pathology MCQs and Notes
Q. Following points should be considered at the time of deciding about sue of soil treatment chemicals..?
✅ Correct Answer: (D)
All of the above.
Q. 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.
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 Answer: (A)
Only 2, 3 and 5 are true.
Q. Which is true about seed protectants?
✅ Correct Answer: (C)
Disinfest the seed and give temporary protection after seed has been planted.
Q. Which is true about seed disinfestans..?
✅ Correct Answer: (B)
Disinfest the seed and remain active for long after seed has been planted.
Q. Which is not a type of seed treatment material..?
✅ Correct Answer: (C)
Seed coverers.
Q. On the basis of their tenacity the seed treatment materials are of..?
✅ Correct Answer: (B)
2 types.
Q. The seed treatment materiales are used as..?
✅ Correct Answer: (D)
All of the above.
Q. Dust materiales are use as..?
✅ Correct Answer: (D)
Insoluble powders are used as plant surface protective material.
Q. The spray materials are used as..?
✅ Correct Answer: (B)
Plant surface protective material.