Download PTU B.Sc-Hons 2020 March 1st Sem 76925 Fundamentals Of Soil Science Question Paper

Download PTU (I.K. Gujral Punjab Technical University Jalandhar (IKGPTU) B.Sc Hons (Bachelor of Science Honours) 2020 March Previous Question Papers

1 | M-76925 (S2)-682
Roll No. Total No. of Pages : 02
Total No. of Questions : 09
B.Sc. (Hons)Agriculture (2019 Batch) (Sem.?1)
FUNDAMENTALS OF SOIL SCIENCE
Subject Code : BSAG-102-19
M.Code : 76925
Time : 3 Hrs. Max. Marks : 60
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
1. Write briefly :
a. Soil colloid
b. Colluvium
c. Eluviation
d. Soil taxonomy
e. Denitrificatiion
f. Cation exchange capacity
g. Humic substances
h. Micro-organisms
i. Charge on clay micelle
j. Soil composition
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1 | M-76925 (S2)-682
Roll No. Total No. of Pages : 02
Total No. of Questions : 09
B.Sc. (Hons)Agriculture (2019 Batch) (Sem.?1)
FUNDAMENTALS OF SOIL SCIENCE
Subject Code : BSAG-102-19
M.Code : 76925
Time : 3 Hrs. Max. Marks : 60
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
1. Write briefly :
a. Soil colloid
b. Colluvium
c. Eluviation
d. Soil taxonomy
e. Denitrificatiion
f. Cation exchange capacity
g. Humic substances
h. Micro-organisms
i. Charge on clay micelle
j. Soil composition

2 | M-76925 (S2)-682
SECTION-B
2. Explain formation of acidic soils and their reclamation.
3. Enlist processes of soil formation and discuss role on any one in detail.
4. Discuss source of negative charge on silicate clay minerals.
5. Bulk density and particle density of a field were reported as 1.64 and 2.75 respectively.
Calculate the percent porosity of soil.
6. Derive a relation among bulk density, particle density and porosity.

SECTION-C
7. Discuss factors associated with availability of plant nutrients.
8. Describe the conditions under which acidic soils are formed and write in detail about
their reclamation.
9. Explain role of soil organism in agriculture.








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