Download PTU B.Sc-Agriculture 2020 March 7th Sem 74829 Analytical Techniques In Soils, Plant, Fertilizers And Water Question Paper

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Roll No. EEEEEEEE [ ] Total No. of Pages : 02
Total No. of Questions : 09

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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

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Q1. Write briefly :

1. Radioactive materials
2. Mass spectrometry
3. Anion exchange
4. Radio isotopes

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5. Sodium absorption ratio
6. Cation exchange capacity
7. Adsorption of nutrient in soil
8. Terms and conditions for storage of radioactive material
9. Iso-morphous substitution

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10. Half life of carbon

SECTION-B

Q2. Elaborate the benefits of dilution radio isotopes technique.

Q3. Elaborate uses of X-ray diffraction instrument.

Q4. Relation between half life and decay constant for carbon atom.

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Q5. Describe principles of spectrometry in visible region.

Q6. Uses of spectrometry in infra red (IR) region.

SECTION-C

Q7. Explain in detail the uses of chromatography in agriculture and allied fields.

Q8. Explain establishment of soil, water and plant testing laboratory.

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Q9. Explain principle, working and uses of inductively coupled plasma (ICP) spectrometer in estimation of elemental content.

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.