Roll No. [T TTTTTT] [ ] Total No. of Pages : 02
Total No. of Questions : 09
--- Content provided by FirstRanker.com ---
B.Sc. (Hons)Agriculture (2019 Batch) (Sem.-1)
FUNDAMENTALS OF SOIL SCIENCE
Subject Code : BSAG-102-19
M.Code : 76925
Time : 3 Hrs. Max. Marks : 60
--- Content provided by FirstRanker.com ---
INSTRUCTIONS TO CANDIDATES :
- SECTION-A is COMPULSORY consisting of TEN questions carrying TWO marks each.
- SECTION-B contains FIVE questions carrying FIVE marks each and students have to attempt any FOUR questions.
- SECTION-C contains THREE questions carrying TEN marks each and students have to attempt any TWO questions.
SECTION-A
--- Content provided by FirstRanker.com ---
- Write briefly :
- Soil colloid
- Colluvium
- Eluviation
- Soil taxonomy
- Denitrification
- Cation exchange capacity
- Humic substances
- Micro-organisms
- Charge on clay micelle
- Soil composition
--- Content provided by FirstRanker.com ---
--- Content provided by FirstRanker.com ---
SECTION-B
- Explain formation of acidic soils and their reclamation.
- Enlist processes of soil formation and discuss role on any one in detail.
- Discuss source of negative charge on silicate clay minerals.
- Bulk density and particle density of a field were reported as 1.64 and 2.75 respectively. Calculate the percent porosity of soil.
- Derive a relation among bulk density, particle density and porosity.
--- Content provided by FirstRanker.com ---
SECTION-C
- Discuss factors associated with availability of plant nutrients.
- Describe the conditions under which acidic soils are formed and write in detail about their reclamation.
- Explain role of soil organism in agriculture.
--- Content provided by FirstRanker.com ---
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.
--- Content provided by FirstRanker.com ---
This download link is referred from the post: PTU B.Sc (MLS) 2020 March Previous Question Papers