Common questions on plant pathology asked in various examinations



Important questions on plant pathology

Very short answer type: give answer in about 50 words.

  1. K.C. Mehta
  2. Hypertrophy
  3. I.P.M.
  4. Obligate parasite
  5. Predisposing factor
  6. Inoculum potential
  7. What is the causal organism of 'citrus canker' disease.?
  8. Which plant disease is diagnosed by ELISA?
  9. Define the term 'prophylaxis'.

Short answer type: give answer in about 150 words.

  1. Differentiate between 'primary host' and 'secondary host'.
  2. Differentiate between 'monocyclic' and 'polycyclic' disease.
  3. What do you understand about 'disease symptoms'? list the symptoms of 'smut' and 'rust' disease.
  4. What is Koch's postulates? How it determines pathogenicity?
  5. White short notes on 'Phytoalexins'
  6. White short notes on 'Quarantine'
  7. White short notes on 'Biological control'
  8. White short notes on 'Powdery mildew of pea'
  9. White short notes on 'Early blight of potato'
  10. White short notes on 'Citrus canker'

Long answer type: give answer in about 450 words.

  1. Describe symptoms, causal agents and control measures of 'Red-rot disease of sugarcane'.
  2. What is the need of pest disease management system? How will you effectively control a pest disease with least damage to the environment and human health.
  3. Discuss the mechanism of infection in plant diseases.
  4. Describe the symptoms, causal agent and control measures of 'Late Blight of Potato'.
  5. Discuss the role of enzymes and toxins in plant disease development.

Content first created on 04-05-2023
last updatedv on 04-05-2023