Plant Pathology MCQs and Notes

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📊 Plant Pathology
Q. The protective application are undertaken with the assumption that..?
  • (A) The entry of the pathogen can be avoided.
  • (B) The entry of the pathogen can’t be avoided and is likely to appear through wind borne primary inoculum from a nearby source.
  • (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.
  • (D) None of the above.
💬 Discuss
✅ Correct Answer: (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.
📊 Plant Pathology
Q. The objective of field sanitation is..?
  • (A) To completely destroy the source of infection present in the field.
  • (B) Or partially destroy the source of infection present in the field.
  • (C) Both a and b.
  • (D) None of the above.
💬 Discuss
✅ Correct Answer: (C) Both a and b.
📊 Plant Pathology
Q. The field sanitation practice may include..?
  • (A) Hot weather deep ploughing.
  • (B) Use of chemicals to disinfect the fallen plant debris.
  • (C) Rotation, flooding, organic amendments etc.
  • (D) All of the above.
💬 Discuss
✅ Correct Answer: (D) All of the above.
📊 Plant Pathology
Q. The eradication of alternative hosts is done..?
  • (A) To prevent the perpetuation of the host.
  • (B) To prevent the perpetuation of the pathogen.
  • (C) To prevent the spread of the disease.
  • (D) Both b and c.
💬 Discuss
✅ Correct Answer: (D) Both b and c.
📊 Plant Pathology
Q. The eradication of plant disease means..?
  • (A) Plant hygiene envisages the removal of diseased parts.
  • (B) Removal of entire plants from the vicinity of the healthy plants.
  • (C) Both a and b.
  • (D) None of the above.
💬 Discuss
✅ Correct Answer: (C) Both a and b.
📊 Plant Pathology
Q. The plant and field sanitation for reduction of inoculum anticipates..?
  • (A) Pathogen has entered the area and has established itself in the fields.
  • (B) Pathogen has yet to enter the area and has to establish itself in the fields.
  • (C) Pathogen has not entered the area and has not established itself in the fields.
  • (D) None of the above.
💬 Discuss
✅ Correct Answer: (A) Pathogen has entered the area and has established itself in the fields.
📊 Plant Pathology
Q. The internally seed-borne infection can be destroyed by..?
  • (A) Hot water treatment.
  • (B) Solar energy treatment.
  • (C) Use of selected antibiotics and systemic fungicides.
  • (D) All of the above.
💬 Discuss
✅ Correct Answer: (D) All of the above.
📊 Plant Pathology
Q. The eradication methods of sieving, steeping in brine are..?
  • (A) Biological method.
  • (B) Physical method.
  • (C) Mechanical method.
  • (D) Chemical method.
💬 Discuss
✅ Correct Answer: (B) Physical method.
📊 Plant Pathology
Q. Which is not a type of eradication?
  • (A) Eradication of seed-borne inoculum.
  • (B) Eradication of alternative hosts.
  • (C) Eradication of diseased plant or parts.
  • (D) All are true.
💬 Discuss
✅ Correct Answer: (D) All are true.
📊 Plant Pathology
Q. SAR is approached through..?
  • (A) Biological means.
  • (B) Physical means.
  • (C) Both a and b.
  • (D) Chemical and transgenic means.
💬 Discuss
✅ Correct Answer: (C) Both a and b.

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