B.sc Ag 2nd Semester Plant Pathology Important questions 2023

In this post, b.sc ag 2nd semester plant pathology important questions have been given keeping in mind the year 2023. 

These questions have already been asked many times in the exam and are likely to be asked in the upcoming fundamentals of plant pathology question paper. 

This is the exact set of plant pathology BSc agriculture important questions for exam preparation. 

You can increase your confidence and knowledge by solving these questions. 

It has been seen many times that the questions are being repeated. 

In that case, these questions will prove to be millstones. 

First of all, write these questions of b.sc ag second semester plant pathology question paper in your notebook. 

Read the lesson related to it carefully. In case of any confusion, do contact your teacher or professor.

Read the lesson 2 to 3 times, and you will see that you can easily find answers to many plant pathology important questions in agriculture b.sc 2nd sem. 

You should try to write the answer in your own words. 

With this, you can easily remember them and relate them to other questions. 

If you want more sets like this, you can find them on the internet. 

You have to type in the search box, plant pathogens principles of plant pathology important questions for b.sc 2nd semester agriculture pdf. 

Whatever principles of plant pathology pdf you get, solve it considering it as an additional value.

Before solving these questions, read the syllabus issued by your university carefully. 

If the questions match, prepare this set in view of the examination. 

If b.sc ag hons plant pathology important questions do not match with your syllabus, then use it as a practice set. 

Let's solve plant pathology important questions Bsc agriculture 2nd semester.

Plant Pathogens And Principles Of Plant Pathology Questions For Agriculture Students

B.sc 2nd Semester Important Questions For Plant Physiology 2023

• What is plant disease? Describe with suitable examples the various causes of plant diseases.
• Define the following- (a) Parasite (b) Inoculum (c) Remote sensing (d) Eradication.
• Explain the Binomial Nomenclature, Phytophthora infestans (Mont. ) DeBary.
• Explain the sources of survival of plant pathogens.
• Describe the life cycle of Pythium or Sclerospora with suitable diagrams.
• What is a defense mechanism? Describe the structural and biochemical type of defense mechanism.
• How does viral RNA replicate? Diagrammatically show the replication of a single-stranded RNA virus.
• What is the disease cycle? Explain the steps involved in the disease cycle.
• What are fungi? Where do they occur? Describe in detail a sexual reproduction in fungi with suitable diagrams.
• Define plant pathology. Write a short note on the history of plant pathology.
• Write a short note on Cuscuta. How Cuscuta spp. establishes contact and draws nutrition from its host?
• What are growth regulators? Describe their role in plant pathogenesis.
• Describe the life cycle of Phytophthora or Puccinia with the help of suitable diagrams.
• Differentiate between plant cells and animal cells.
• Attempt a brief note on Stylet-borne transmission of Plant viruses.
• What steps should be taken into consideration to avoid the contact between pathogen and the susceptible host?
• What are viruses? How do they multiply? Give their methods of transmission.
• Differentiate between - (a) Disease and disorder (b) Symptom and Syndrome (c) Host specific and non-host-specific toxins (d) Manures and fertilizers.
• Explain the ‘Circulatory- propagative transmission’ of Plant viruses.
• Write a short note on Genus Alternaria.
• Attempt a brief note on transmission of plant viruses through vegetatively propagated Plant parts.
• Write a short note on Koch's Postulates.
• Describe IDM for Nursery Disease.
• Describe the important contributions of the following Indian Plant Pathologists- (a) Sir Edwin John Butler (b) J.F. Dastur (c) B.B. Mundkur and (d) K.C. Mehta.
• Attempt a short note on ‘Soil solarization’.
• Write a short note on obligate parasites.
• List different cultural practices used for the management of diseases of crops.
• What is epidemic disease?
• Distinguish between conducive and suppressive spoils.
• Describe the symbiosis.
• Differentiate between Phytoplasma and Spiroplasma. Give one example of each of the diseases caused by Phytoplasma and Spiroplasma.
• Differentiate between Naked asci, Cleistothecium, Perithecium, and Apothecium.
• Write a short note on Homothallic fungi and Heterothallic fungi. Briefly describe the Rules of Nomenclature of Fungi.
• Draw different types of appendages produced on Cleistothecium. Name the Genera of powdery mildew fungi concerned. 
• Describe the characteristic features of the following- (a) Fungi (b) Bacteria (c) Viruses (d) Viroid and (e) Phytoplasma.
• Give a brief account of Fungicide formulation. Describe the names and uses of common fungicides.

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