Exam Details
| Subject | Soil Science | |
| Paper | ||
| Exam / Course | B.Tech. Civil (Construction Management) / (Water Resources Engineering)/ (Aero Space Engineering) BTCM-BTWRE | |
| Department | School of Engineering & Technology (SOET) | |
| Organization | indira gandhi national open university | |
| Position | ||
| Exam Date | December, 2016 | |
| City, State | new delhi, |
Question Paper
No. of Printed Pages: 3 IET-531(B) I
B.Tech. Civil (Water Resources Engineering) Term-End 'Examination
00302
December, 2016
ET-531 SOIL SCIENCE
Time: 3 hours Maximum Marks: 70
Note: Answer any five questions. All questions carry equal marks. Give neat, well-labelled sketches wherever necessary.
1. Explain the approximate composition of solid, liquid and gas in a typical top soil with the help of a diagram. 7
Describe the procedure adopted in the field for determining the soil texture. 7
2. Write short notes on any two of the following: 7
Voids ratio
Porosity
Bulk density
Explain the various components of water balance equation for soil root zone. 7
3. Analysis of 25 gm soil sample indicated that total concentration of exchangeable cations was 15 meq and that of exchangeable sodium was 1.0 meq. Express the CEC in meq/100 gm soil and exchangeable sodium in percent and also in meq/100 gm soil. 7
Explain various factors responsible for acid soil formation. List at least three indirect effects of acid soils. 7
4. Describe the areas falling under different physiographic divisions of India. 7
Explain various techniques of evaluation of soil fertility. 7
5. Describe different methods practised in soil survey. 7
Explain the diagnostic features of horizon for taxonomic classification. 7
6. Discuss the Indian criteria to assess the ability of a land to produce crops. 7
Explain classification of soil organisms with the help of a schematic diagram. 7
7. Describe the classification principles of plant disease control. 7
Discuss the role of phosphorus and sulphur cycles in transformation of mineral nutrients. 7
8. Differentiate between the following: 14x3 1/2=14
Hydraulic Conductivity and Suction
Red Soils and Laterite Soils
Soil Fertility and Soil Productivity
Soil Profile and Soil Horizons
B.Tech. Civil (Water Resources Engineering) Term-End 'Examination
00302
December, 2016
ET-531 SOIL SCIENCE
Time: 3 hours Maximum Marks: 70
Note: Answer any five questions. All questions carry equal marks. Give neat, well-labelled sketches wherever necessary.
1. Explain the approximate composition of solid, liquid and gas in a typical top soil with the help of a diagram. 7
Describe the procedure adopted in the field for determining the soil texture. 7
2. Write short notes on any two of the following: 7
Voids ratio
Porosity
Bulk density
Explain the various components of water balance equation for soil root zone. 7
3. Analysis of 25 gm soil sample indicated that total concentration of exchangeable cations was 15 meq and that of exchangeable sodium was 1.0 meq. Express the CEC in meq/100 gm soil and exchangeable sodium in percent and also in meq/100 gm soil. 7
Explain various factors responsible for acid soil formation. List at least three indirect effects of acid soils. 7
4. Describe the areas falling under different physiographic divisions of India. 7
Explain various techniques of evaluation of soil fertility. 7
5. Describe different methods practised in soil survey. 7
Explain the diagnostic features of horizon for taxonomic classification. 7
6. Discuss the Indian criteria to assess the ability of a land to produce crops. 7
Explain classification of soil organisms with the help of a schematic diagram. 7
7. Describe the classification principles of plant disease control. 7
Discuss the role of phosphorus and sulphur cycles in transformation of mineral nutrients. 7
8. Differentiate between the following: 14x3 1/2=14
Hydraulic Conductivity and Suction
Red Soils and Laterite Soils
Soil Fertility and Soil Productivity
Soil Profile and Soil Horizons
Other Question Papers
Departments
- Centre for Corporate Education, Training & Consultancy (CCETC)
- Centre for Corporate Education, Training & Consultancy (CCETC)
- National Centre for Disability Studies (NCDS)
- School of Agriculture (SOA)
- School of Computer and Information Sciences (SOCIS)
- School of Continuing Education (SOCE)
- School of Education (SOE)
- School of Engineering & Technology (SOET)
- School of Extension and Development Studies (SOEDS)
- School of Foreign Languages (SOFL)
- School of Gender Development Studies(SOGDS)
- School of Health Science (SOHS)
- School of Humanities (SOH)
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- School of Law (SOL)
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- School of Performing Arts and Visual Arts(SOPVA)
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- School of Tourism &Hospitality Service Sectoral SOMS (SOTHSSM)
- School of Translation Studies and Training (SOTST)
- School of Vocational Education and Training (SOVET)
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Subjects
- Agricultural Legislation and Management
- Building Architecture
- Building Services
- Chemistry
- Computer Applications
- Computer Programming and Numerical Analysis
- Concrete Technology & Construction Techniques
- Construction Management-I
- Construction Management-II
- Construction Works Supervision
- Design Detailing
- Earth & Its Environment
- Elementary Hydrology
- Engineering Materials
- Engineering Mechanics
- Engineering Thermodynamics
- Flow in Open Channel
- Foundation Engineering
- Ground Water Development
- Hydraulic Structures
- Hydraulic Structures-I
- Hydraulic Structures-II
- Hydrology
- Inventory and Stores Management
- Irrigation Engineering
- Materials Science
- M a t h e m a t i c s I I I
- Mathematics- I
- Mathematics- II
- Mechanical Equipmentsin Construction
- Mechanics of Fluids
- Open Channel Flow
- Operation and Maintenance of Construction Equipment
- Physics
- Planning Construction of Buildings
- Pollutants and Water Supply
- Principles of Electrical Science
- Principles of Engineering Management and Economics
- Quantity Surveying & Valuation
- Repair and Maintenance of Buildings
- Soil Conservation and Agronomy
- Soil Mechanics
- Soil Science
- Strength of Materials
- Structural Analysis
- Structural Design- |
- Structural Design- II
- System Methods
- Technical Writing
- Testing for Quality Control
- Transportation &Traffic Engineering
- Waste Water Treatment
- Water Resources Planning