Roll No. Total No. of Pages : 02
Total No. of Questions : 08
--- Content provided by FirstRanker.com ---
B.Voc. (Agriculture) (2018 & Onwards) (Sem.-1)
CHEMISTRY OF AGROCHEMICALS
Subject Code : BVAG-102-18
M.Code : 75650
Time : 2 Hrs. Max. Marks : 30
--- Content provided by FirstRanker.com ---
INSTRUCTIONS TO CANDIDATES :
- Attempt any FIVE question(s), each question carries 6 marks.
Q1. a. Define Botanical Insecticides. What are their advantages and limitations over Chemical measures?
b. Enlist any 4 Botanical bioactive compounds and their source.
Q2. Enlist precautions that needs to be taken when we are using fungicides. Name any 3 fungal diseases, their causative organism and the crop infected by them.
--- Content provided by FirstRanker.com ---
Q3. What measures could be used for protection against stored grain insect pests.
Q4. Name any 4 weeds that could affect wheat crop. Suggest suitable measures to control these weeds.
Q5. What are the structure, usage and mode of action of following :
a. Glyphosate
b. Carboxin
--- Content provided by FirstRanker.com ---
Q6. a. Write a short note on Pyrethrum.
b. How will you manage stemborers and leaffolders in a crop field?
Q7. Discuss in details about synthetic organic insecticides.
Q8. Discuss briefly :
a. Plant growth regulators
--- Content provided by FirstRanker.com ---
b. Biomagnification of agrochemicals in food chainNote: Any student found attempting answer sheet from any other person(s), using incriminating material or involved in any wrong activity reported by evaluator shall be treated under UMC provisions.
Student found sharing the question paper(s)/answer sheet on digital media or with any other person or any organization/institution shall also be treated under UMC.
Any student found making any change/addition/modification in contents of scanned copy of answer sheet and original answer sheet, shall be covered under UMC provisions.
--- Content provided by FirstRanker.com ---
This download link is referred from the post: PTU B.Voc Last 10 Years 2011-2021 Previous Question Papers (Bachelor of Vocational Education)
--- Content provided by FirstRanker.com ---