Download PTU B.Sc Agriculture 2019 May 7th Semester 74867 POST HARVEST DISEASES and THEIR MANAGEMENT Question Paper

Download PTU (Punjab Technical University) BSc Agriculture 7th Semester 74867 POST HARVEST DISEASES and THEIR MANAGEMENT Last 10 Years 2020, 2019, 2018, 2017, 2016, 2015, 2014, 2013, 2012, 2011 and 2010 Previous Question Papers.

1 | M-74867 (S2)-2554
Roll No. Total No. of Pages : 02
Total No. of Questions : 09
B.Sc. Agriculture (2014 & Onwards) (Sem.?7)
POST HARVEST DISEASES & THEIR MANAGEMENT
Subject Code : BSAG-PP 705
M.Code : 74867
Time : 3 Hrs. Max. Marks : 60
INSTRUCTIONS TO CANDIDATES :
1. SECTION-A is COMPULSORY consisting of TEN questions carrying TWO marks
each.
2. SECTION-B contains FIVE questions carrying FIVE marks each and students
have to attempt any FOUR questions.
3. SECTION-C contains THREE questions carrying TEN marks each and students
have to attempt any TWO questions.

SECTION-A
1. Write short notes on the following :
a) Penicillium spp causing post harvest diseases
b) Post harvest pathology
c) Colletotrichum spp as post harvest pathogen
d) Low pressure storage
e) Cold storage
f) Fruit irradiation
g) Mycotoxin
h) Soft rot of onion
i) Sweet potato black rot disease
j) Virus as a post harvest pathogen
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1 | M-74867 (S2)-2554
Roll No. Total No. of Pages : 02
Total No. of Questions : 09
B.Sc. Agriculture (2014 & Onwards) (Sem.?7)
POST HARVEST DISEASES & THEIR MANAGEMENT
Subject Code : BSAG-PP 705
M.Code : 74867
Time : 3 Hrs. Max. Marks : 60
INSTRUCTIONS TO CANDIDATES :
1. SECTION-A is COMPULSORY consisting of TEN questions carrying TWO marks
each.
2. SECTION-B contains FIVE questions carrying FIVE marks each and students
have to attempt any FOUR questions.
3. SECTION-C contains THREE questions carrying TEN marks each and students
have to attempt any TWO questions.

SECTION-A
1. Write short notes on the following :
a) Penicillium spp causing post harvest diseases
b) Post harvest pathology
c) Colletotrichum spp as post harvest pathogen
d) Low pressure storage
e) Cold storage
f) Fruit irradiation
g) Mycotoxin
h) Soft rot of onion
i) Sweet potato black rot disease
j) Virus as a post harvest pathogen
2 | M-74867 (S2)-2554
SECTION-B
2. Classify different post harvest diseases on the basis of pathogens along with examples.
3. Discuss the Aspergillus rot of the citrus, their symptoms on infected plants and their
management.
4. Why the harvested fruits and vegetables become vulnerable to the attack of
microorganisms?
5. Write short note on the losses caused due to the post harvest disease.
6. Discuss how the nutrient management of crop plants helps in avoiding the post harvest
diseases along with examples.

SECTION-C
7. Discuss in detail different post harvest handling practices that influence the development
of post harvest disease of various fruits and vegetables.
8. Enlist different post harvest diseases of citrus and discuss any three of them in detail
including symptoms, favourable conditions and management.
9. Discuss different post harvest diseases of potato and discuss their symptoms, favourable
conditions and management.




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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