Download PTU B.Sc-Agriculture 2020 March 7th Sem 74830 Weed Management Question Paper

Download PTU (I.K. Gujral Punjab Technical University Jalandhar (IKGPTU) B.Sc-Agriculture 2020 March Previous Question Papers

1 | M-74830 (S2)-583
Roll No. Total No. of Pages : 02
Total No. of Questions : 09
B.Sc. Agriculture (2014 to 2018) (Sem.?7)
WEED MANAGEMENT
Subject Code : BSAG-CS703
M.Code : 74830
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
Q1. Write short notes on :
a) Weedicide
b) Weed biology
c) Aquatic weed
d) Prevention
e) Eradication
f) Collego
g) Roundup ready seed
h) Compatibility
i) Blind hoeing
j) Herbicide


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1 | M-74830 (S2)-583
Roll No. Total No. of Pages : 02
Total No. of Questions : 09
B.Sc. Agriculture (2014 to 2018) (Sem.?7)
WEED MANAGEMENT
Subject Code : BSAG-CS703
M.Code : 74830
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
Q1. Write short notes on :
a) Weedicide
b) Weed biology
c) Aquatic weed
d) Prevention
e) Eradication
f) Collego
g) Roundup ready seed
h) Compatibility
i) Blind hoeing
j) Herbicide


2 | M-74830 (S2)-583
SECTION-B
Q2. Define weed integrated management.
Q3. Discuss weed management in organic crops.
Q4. Define adjuvants. Write their use in herbicides.
Q5. Define weed. Write their advantages and disadvantages.
Q6. Discuss shift in weed flora in different cropping systems

SECTION-C
Q7. Discuss different methods of weed management, in detail.
Q8. What do you know about herbicide selectivity? Discuss fate of herbicides in soil.
Q9. Differentiate competition and allelopathy. Discuss allelopathy in detail.








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