AKTU B.Tech. AAS102H / AAS202H Applied Chemistry for Soil, Water and Agro Systems Solved Question Bank

This EduQuest solved question bank supports exam preparation for Dr. A.P.J. Abdul Kalam Technical University (AKTU) B.Tech. First Year, AG Stream (Agricultural Engineering). It follows the official syllabus of Applied Chemistry for Soil, Water and Agro Systems (course code AAS102H / AAS202H) unit by unit.

What is included

• Priority list of MOST IMPORTANT and IMPORTANT questions for every unit.
• One-page revision sheet of formulas and examiner tips for every unit.
• 12 short answer questions (2 marks) per unit with complete solutions.
• 12 long answer questions (7 marks) per unit with step-by-step solutions, diagrams and numericals.
• Syllabus coverage map and a 70-mark model question paper with reference map and answer key.

Unit-wise syllabus coverage

1. Unit 1 – Soil Chemistry: Introduction to soil and its composition; soil organic matter and humus; soil pH and its effect on nutrient availability; essential plant nutrients (macro and micronutrients); soil fertility, soil colloids and nutrient retention; soil salinity and its impact on crop growth; basic soil testing, soil pollution and soil management for sustainable agriculture.
2. Unit 2 – Water Chemistry for Agro Systems: Physical and chemical properties of water; hardness (temporary and permanent); alkalinity; dissolved oxygen; BOD; COD; nitrogen cycle in water; phosphorus chemistry; irrigation water quality parameters (SAR, RSC, EC); water treatment for irrigation (coagulation, filtration, chlorination); groundwater chemistry.
3. Unit 3 – Agrochemistry: Fertilizers and Pesticides: Classification and chemistry of nitrogenous fertilizers (urea, ammonium nitrate, ammonia), phosphatic fertilizers (superphosphate, DAP), potassic fertilizers, micronutrient fertilizers, slow-release and controlled-release fertilizers; introduction and classification of pesticides (organochlorines, organophosphates, pyrethroids, herbicides, fungicides); pesticide degradation and persistence; environmental effects of excessive agrochemical use.
4. Unit 4 – Food Chemistry and Agro-product Quality: Chemical composition of food (carbohydrates, proteins, fats, vitamins, minerals); food adulteration and detection methods; Maillard reaction and browning; food preservation chemistry (pickling, canning, dehydration, irradiation); antioxidants and preservatives; quality parameters of oils, grains and dairy products; basics of food packaging materials.
5. Unit 5 – Green and Sustainable Agricultural Chemistry: Green chemistry principles in agriculture; biofertilizers (Rhizobium, Azotobacter); biopesticides (neem, Bacillus thuringiensis); composting and vermicomposting chemistry; phytoremediation; biodegradable mulch films; agro-waste valorization; chemistry of renewable energy from agro-biomass.

Course details

• University: Dr. A.P.J. Abdul Kalam Technical University (AKTU), Lucknow
• Programme: B.Tech. First Year
• Subject: Applied Chemistry for Soil, Water and Agro Systems
• Course code: AAS102H / AAS202H
• Stream: AG Stream (Agricultural Engineering)
• Credits: 3
• PDF length: 118 pages
• Format: PDF

Use this question bank along with the official syllabus, your class notes and the prescribed text books.

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