NOUN POP Past Questions: SOS301 - Introduction to Pedology and Soil Classification

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Richtubor
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NOUN POP Past Questions: SOS301 - Introduction to Pedology and Soil Classification

Postby Richtubor » Mon Nov 25, 2019 6:50 am

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NOUN POP Past Questions: SOS301 - Introduction to Pedology and Soil Classification




NATIONAL OPEN UNIVERSITY OF NIGERIA
DEPARTMENT OF CROP AND SOIL SCIENCE
FACULTY OF AGRICULTURAL SCIENCES
EXAMINATION QUESTIONS, APRIL 2019
Course Code: SOS301
Course Title: INTRODUCTION TO PEDOLOGY AND SOIL CLASSIFICATION
Credit Units: 2 Time Allowed: 2 hours
Instruction: Answer 4 questions in all; No. 1 is compulsory and carries 25 marks and any other three (3) questions carrying 15 marks each,
1. a. Define Soil as relates to atmosphere, lithosphere, hydrosphere and biosphere (5 marks)
b. Mention five (5) soil forming factors (5 marks)
c. Explain how each of the five (5) factors mentioned above aids soil formation (10 marks)
d. Discuss the morphological properties of soil (5 marks)

2. a. What do you understand by the term “Weathering”? (3 marks)
b. Explain the following types of weathering with at least 3 examples in each case:
i. Physical Weathering (1mark), 3 Examples (3 mark) (4 mark)
ii. Chemical Weathering (1mark), 3 Examples (3 mark) (4 mark)
iii. Biological Weathering (1mark), 3 Examples (3 mark) (4 mark)

3. a. Define soil survey (3 marks)
b. Define Soil profile (2 marks)
c. Mention and briefly explain at least five (5) types of soil horizons (10 marks)
4.a. Discuss the concept of soil classification (5 marks)
b. Mention and briefly explain any five (5) orders in the USDA Soil Taxonomy (10 marks)

5. a. Outline at least eight (8) properties of Nigerian Soil (8 marks)
b. Mention seven (7) major division of ecological regionsin Nigeria (7 marks)

6. Briefly explain how the fertility of Nigerian soils could be effectively maintained
using the following:
a. Crop rotation,
b. Green manuring,
c. Compost manure
d. Farmyard manure
e. Proper land use
(Each one correctly explained carries 3 marks) = 15 marks




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Richtubor
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Re: NOUN POP Past Questions: SOS301 - Introduction to Pedology and Soil Classification

Postby Richtubor » Mon Nov 25, 2019 6:51 am

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NATIONAL OPEN UNIVERSITY OF NIGERIA
University Village, Nnamdi Azikwe Express Way, Plot 91, Cadastral Zone, Jabi,
Jabi, Abuja
Faculty of Agricultural Sciences
June/July 2017 Examination
COURSE CODE: SOS303
COURSE TITLE: - INTRODUCTION TO PEDOLOGY AND SOIL PHYSICS
INSTUCTION: - ATTEMPT ANY FOUR QUESTIONS IN 2 HOURS
Question 0ne
a) What is the agricultural definition of the soil?
b) List the importance of soil to man
c) List the three 3 basic types of soils focusing the percentage particle size composition,
Question Two
a) Describe the structure call Rock
b) List the type of rocks
c) Write a short descriptive note on rocks formed as a result of sedimentation and give 3 examples of rocks formed from such actions.

Question Three
a) What is weathering
b) List five agents of biological weathering.
c) Write a comprehensive note on physical weathering

Question Four
a) Outline the components of i) chemical and ii) biological weathering
b) Use passive and active factors to explain the soil formation
Question five
a) Write a short note on i) soil texture (ii) soil permeability (iii) soil infiltration rate.
b) List any 3 soil s reactions
Question Six
a) Discuss the importance of soil amendment to a crop producer.
b) Write a short note on biological properties of the soil.





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Richtubor
Posts: 743
Joined: Mon Aug 21, 2017 8:24 pm
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Re: NOUN POP Past Questions: SOS301 - Introduction to Pedology and Soil Classification

Postby Richtubor » Mon Nov 25, 2019 6:52 am

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NATIONAL OPEN UNIVERSITY OF NIGERIA
14-16 AHMADU BELLO WAY, VICTORIA ISLAND LAGOS
SCHOOL OF SCIENCE AND TECHNOLOGY
MAY/JUNE 2012 EXAMINATION

SOS 301:INTRODUCTION TO SOIL PEDOLOGY (2 CR)
TIME ALLOWED: 3Hours

INSTRUCTION(S): ANSWER ANY FOUR OUESTIONS IN TWO HOURS

Q1
a) Briefly discuss the relevance of the study of the soil to mankind.
b) Give a definitive description of the word soil.
Q2
a) With reference to weathering, briefly describe the origine/formation of the soil.
b) List the soil forming factors
Q3 Write a short descriptive note on each of the following.
( a) Topography and soil formation (b)Biota and soil formation (c)climate and soil formation
Q4
a) Describe the morphological characteristics of the soil.
b) Write a short note to explain each of the following.( i) Soil porusity (ii) soil texture. (iii) component of the soil,
Q5
a) List the three types of weathering
b) Describe the 3 types of weathering listed in a above
c) List 3 types of rocks
Q6
a) Explain how organic matter and micro organisms influences the fertility of the soil.
b) List the practices that can destroy the soil
c) State the importance of soil mapping.



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Richtubor
Posts: 743
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Re: NOUN POP Past Questions: SOS301 - Introduction to Pedology and Soil Classification

Postby Richtubor » Mon Nov 25, 2019 6:52 am

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Whatsapp: 08155572788



NATIONAL OPEN UNIVERSITY OF NIGERIA
14/16, Ahmadu Bello Way, Victoria Island

SCHOOL OF SCIENCE AND TECHNOLOGY
October, 2013 Examination

Course Code: SOS 301
Course Title: INTRODUCTION TO PEDOLOGY AND SOIL CLASSIFICATION
INSRUCTION: Answer Any Four Questions in 2 1/2 hours
Question 0ne
a) What is soil?
b) Briefly enumerate the importance of soil to man
c) Based on percentage particle size composition, list the three 3 basic types of soils.

Question Two
a) Describe the structure call Rock
b) List the 3 types of rocks
c) Write a short descriptive note on rocks formed as a result of sedimentation and give 3 examples of rocks formed from such actions.

Question Three
a) What is weathering
b) List five agents of biological weathering.
c) Write a comprehensive note on physical weathering

Question Four
a) List the components of i) chemical weathering ii) biological weathering
b) Describe soil formation under passive and active factors

Question five
a) Write a short note on i) soil porosity (ii) soil permeability (iii) soil infiltration rate.
b) List any 3 soil s reactions

Question Six
a) Discuss the types and importance of soil amendment to agriculture
b) Write a short note on biological properties of the soil.





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Richtubor
Posts: 743
Joined: Mon Aug 21, 2017 8:24 pm
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Re: NOUN POP Past Questions: SOS301 - Introduction to Pedology and Soil Classification

Postby Richtubor » Mon Nov 25, 2019 6:53 am

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Whatsapp: 08155572788


National Open University of Nigeria
Plot 91, Cadastral Zone, Nnamdi Azikiwe Expressway, Jabi, Abuja
Faculty of Agricultural Sciences
October/November, 2016
Course Code: SOS 301
Course Title: Introduction to Pedology and Soil Classification
Credit Unit: 2
Total Score: 100 Marks
Time Allowed: 2 1/2 Hours
INSRUCTION: Answer Any Four Questions
Question 0ne
a) What is the agricultural definition of the soil?
b) List the importance of soil to man
c) List the three 3 basic types of soils focusing the percentage particle size composition,
Question Two
a) Describe the term Rock.
b) List the type of rocks
c) Write a short descriptive note on rocks formed as a result of sedimentation and give 3 examples of rocks formed from such actions.

Question Three
a) What is weathering?
b) List five agents of biological weathering.
c) Write a comprehensive note on physical weathering.

Question Four
a) Outline the components of i) chemical weathering and ii) biological weathering
b) Use passive and active factors to explain the soil formation.
Question five
a) Write a short note on i) soil texture (ii) soil permeability (iii) soil infiltration rate.
b) List any 3 soil reactions.
Question Six
a) Discuss the importance of soil amendment to a crop producer.
b) Write a short note on biological properties of the soil.







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Whatsapp: 08155572788

Richtubor
Posts: 743
Joined: Mon Aug 21, 2017 8:24 pm
Contact:

Re: NOUN POP Past Questions: SOS301 - Introduction to Pedology and Soil Classification

Postby Richtubor » Mon Nov 25, 2019 6:58 am

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Whatsapp: 08155572788

NATIONAL OPEN UNIVERSITY OF NIGERIA
FACULTY OF AGICULTURAL SCIENCES
January/ Feburury 2017_2 POP Examination
Course Title: Introduction to Pedology and Soil Classification
Course Code: SOS301
INSTRUCTION:
i) Answer at least one question from each section compulsorily.
ii) Answer four questions in all.
iii) Time: 2 hours
SECTION A
Question 0ne

a) Match the following words against the below listed soil descriptions. Please note that a word can be marched more than once. 2 marks each x 10= 20 marks
(Clay, loam, sand, Humus, Mineral nutrients, and organic matter)
i) Can easily get water logged
ii) Can for a cast when wet bet cracks when dry
iii) Has very low infiltration rate
iv) Has very high infiltration rate
v) Has low water holding capacity
vi) Easily get drained
vii) Has an almost balanced ration of clay and sand
viii) An un-decomposed biodegradable matters
ix) A well decomposed/degraded organic matter in the soil.
x) Macro and micro chemical elements in the soil.

b) Give reasons or state the implications/meanings of the following of the following.
(2 marks each x 5= 10 marks)
i) A very bright red/brownish brick color sub soil
ii) A dull blackish/gray to silver color sub soil
iii) Heavy presence of worm cast on a soil
iv) What is the basic parent material of any soil
v) Flora and fauna refers to what in the soil characteristics
c) List five factors or bad practices that can destroy the soil (2 marks each x 5= 10 marks)

SECTION B
Question Two
a) Define the term “Rock”( 5 marks)
b) What are the basic types of rocks that naturally exists ( 5 marks)
c) Write a short descriptive note on rocks formed as a result of accumulation of minerals and solid particles ( 2marks)
d) List 3 types of rocks formed from sedimentary actions. ( 3 marks)

Question Three
a) What is weathering ( 5 marks)
b) List five agents of biological weathering. ( 5 marks)
c) Write a brief but comprehensive note on chemical weathering (5 marks)




Question Four
a) Outline the components of (i) Physical and ii) biological weathering (8 marks)
b) Explain the l formation of soil using passive and active factors (7 marks)


Question five
Write a short note on (i) soil texture (ii) soil permeability (iii) soil infiltration rate, (iv) soil structure and (v) soil bulk density. (3marks each x 5=15)

Question Six
a) Discuss the importance of soil amendment to a crop producer. ( 5 marks)
b) Write a short note on biological properties of the soil. (4 marks)
c) Describe any 3 soil s reactions (2marks each x3= 6 marks)







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Richtubor
Posts: 743
Joined: Mon Aug 21, 2017 8:24 pm
Contact:

Re: NOUN POP Past Questions: SOS301 - Introduction to Pedology and Soil Classification

Postby Richtubor » Mon Nov 25, 2019 6:59 am

Solutions2tma@gmail.com
Whatsapp: 08155572788




NATIONAL OPEN UNIVERSITY OF NIGERIA
14-16 AHMADU BELLO WAY, VICTORIA ISLAND LAGOS
MARCH/APRIL 2015 EXAMINATION

SCHOOL OF AGRICULTURAL SCIENCES

COURSE CODE: SOS301
COURSE TITLE: INTRODUCTION TO PEDOLOGY AND SOIL CLASSIFICATION
TIME: 2 1/2 hours

INSRUCTION: Answer Any Four Questions

All Questions carry 25 Marks

Question 0ne
a) What is soil?
b) Briefly enumerate the importance of soil to man
c) Based on percentage particle size composition, list the three 3 basic types of soils.

Question Two
a) Describe the structure call Rock
b) List the 3 types of rocks
c) Write a short descriptive note on rocks formed as a result of sedimentation and give 3 examples of rocks formed from such actions.

Question Three
a) What is weathering
b) List five agents of biological weathering.
c) Write a comprehensive note on physical weathering

Question Four
a) List the components of i) chemical weathering ii) biological weathering
b) Describe soil formation under passive and active factors

Question five
a) Write a short note on i) soil porosity (ii) soil permeability (iii) soil infiltration rate.
b) List any 3 soil s reactions

Question Six
a) Discuss the types and importance of soil amendment to agriculture
b) Write a short note on biological properties of the soil.






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Whatsapp: 08155572788


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