Download PTU ( I.K.Gujral Punjab Technical University (IKGPTU)) Bachelor of Vocational Education (B. Voc) 2020 December 1st Sem 75654 Principles Of Plant Pathology Previous Question Papers
Roll No.
Total No. of Pages : 02
Total No. of Questions : 18
B.Voc. Agriculture (2018 & Onwards) (Sem.?1)
PRINCIPLES OF PLANT PATHOLOGY
Subject Code : BVAG-106-18
M.Code : 75654
Time : 3 Hrs. Max. Marks : 60
INST RUCT IONS T O CANDIDAT ES :
1 .
SECT ION-A is COMPULSORY cons is ting of TEN questions carrying TWO marks
each.
2 .
SECT ION-B c ontains F IVE questions c arrying FIVE marks eac h and s tud ents
have to atte mpt any FOUR q ues tions.
3 .
SECT ION-C contains THREE questions carrying T EN marks e ach and s tudents
have to atte mpt any T WO questio ns.
SECTION-A
Write briefly :
Q1. What do you mean by IDM?
Q2. What is Disease Triangle?
Q3. What is the composition of Bordeaux mixture? Who discovered it?
Q4. What do you mean by Primary & Secondary Inoculums? Give example of each.
Q5. What do you mean by Biological control? Give two examples.
Differentiate between the following :
Q6. Disease and Epidemic
Q7. Virus and Viroid
Q8. Algae and Fungi
Q9. Resistance and Tolerance
Q10. Root rot and wilt
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SECTION-B
Q11. Write the important characteristic of fungi.
Q12. What is Plant Disease Epidemiology? Give any two examples of epidemics diseases
alongwith their causal organisms.
Q13. Give the important contributions of (i) EJ Butler (ii) KC Mehta
Q14. Write short note on solar heat treatment.
Q15. Explain active and passive dispersal alongwith examples.
SECTION-C
Q16. a) What do you mean by Survival? Give sources of survival of
i) loose smut of wheat
ii) Sheath blight of rice
iii) Apple scab.
b) Write short note on management root knot nematode in crops.
Q17. Differentiate between infection & infestation. Give brief note on Physiological
Specialization in rust fungi.
Q18. Write short note on Plant quarantine and inspection? Explain its role in managing plant
diseases.
NOTE : Disclosure of Identity by writing Mobile No. or Making of passing request on any
page of Answer Sheet will lead to UMC against the Student.
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This post was last modified on 15 February 2021