NOUN POP Past Questions: AGR503 - Analytical Techniques in Agriculture

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Jed
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Joined: Tue Oct 10, 2017 6:37 pm
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NOUN POP Past Questions: AGR503 - Analytical Techniques in Agriculture

Postby Jed » Sun Jul 25, 2021 4:03 pm

NOUN POP Past Questions: AGR503 - Analytical Techniques in Agriculture


Email: Solutions2tma@gmail.com
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SEPTEMBER, 2020_1
EXAMINATION: SECOND SEMESTER POP EXAMINATION
COURSE TITLE: ANALYTICAL TECHNIQUES IN AGRICULTURE (2CU)
COURSE CODE: AGR503
TOTAL SCORE: 70 MARKS
TIME ALLOWED: 1hour 30minutes
INSTRUCTIONS:

Answer four questions in all
Question 1 is compulsory (25marks) and any three questions (15marks each)

Q1
a)Why is safety a very important consideration in a soil science laboratory? (8marks)
b)What are the four techniques involved in Quality Control levels of operation? (10marks)
c) State how calibration graph can be obtained. (7marks)

Q2
a. In a tabular form mention any six (6) parameters related to sampling measurements and describe briefly their
laboratory procedures. (12marks)
b. Define Sampling error as given by FAO. (3marks)

Q3
a. state 10 steps to be taken to minimise sampling error in animal feed analysis. (10marks)
b. What do you understand by soil sampling? (5marks)

Q4
a. Briefly explain the term “microscopy” and state its use. (9marks)
b. What are the functions of any three different parts of an optic microscope? (6marks)

Q5
a. What do you understand by Photometer? State three types of photometers you studied. (9marks)
b. In a tabular form give five (3) differences between Classical column chromatography and High￾performance liquid chromatography (HPLC) (6marks)

Q6
a. Discuss briefly, the following components of Gas chromatography (GC)
1. Auto samplers
2. Inlets
3. Detectors
b. Discuss exhaustively, the concept of cryopreservation or Cryoconservation. (15marks)



Jed
Posts: 1654
Joined: Tue Oct 10, 2017 6:37 pm
Contact:

Re: NOUN POP Past Questions: AGR503 - Analytical Techniques in Agriculture

Postby Jed » Sun Jul 25, 2021 4:07 pm

Email: Solutions2tma@gmail.com
Whatsapp/ Telegram/ SignalApp: 08155572788

2020_2 EXAMINATION 1234
EXAMINATION: JANUARY 2020_2 EXAMINATION
COURSE TITLE: ANALYTICAL TECHNIQUES IN AGRICULTURE (2CU)
COURSE CODE: AGR503
TOTAL SCORE: 70 MARKS
TIME ALLOWED: 1hour 30minutes
INSTRUCTIONS: Answer four questions in all. Question 1 is compulsory (25marks) and any three questions
(15marks each)

Q1
a) Explain the reasons why safety is considered very important in a soil science laboratory? (9marks)
b) Describe the techniques involved in Quality Control levels of operation? (10marks)
c) Highlight how calibration graph can be obtained. (6marks).

Q2
a) In a form of Table list any six (6) parameters related to sampling measurements and describe briefly
their laboratory procedures. (12marks)
b) Define Sampling error as given by FAO. (3marks)

Q3
a) List 10 steps to be taken to minimise sampling error in animal feed analysis. (10marks)
b) Define briefly soil sampling? (5marks)

Q4
a) Briefly explain the term “microscopy” and state its use. (9marks)
b) State the functions of any three different parts of an optic microscope? (6marks)

Q5
a) Define Photometer and state any three types of photometers you studied. (9marks)
b) Differentiate between Classical column chromatography and High-performance liquid
chromatography (HPLC) (6marks)

Q6
Write short notes on the following components of Gas chromatography (GC)

(15marks)
a) Auto samplers
b) Inlets
c) Detectors
d) Cryopreservation.




Email: Solutions2tma@gmail.com
Whatsapp/ Telegram/ SignalApp: 08155572788


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