Master of Science I (Agrochemical and Pest Management)
Examination: Oct Nov 2016 Semester I (New CBCS)
SLR No. Day
Date Time Subject Name Paper
No. Seat No.
SLR SP
02
Friday
18/11/2016
10.30 AM
to
01.00 PM
Soil Science, Fertilizer
Micronutrients Plant
growth Regulation
C
HCT
1.2
Instructions: All questions carry equal marks.
All Sections are compulsory.
Attempt any two questions from Section II and III
Figures to the right indicates full marks
Total Marks:70
SECTION I
Q.1 Select most correct alternative from the following (each carry 1 marks) 14
Ion Exchange takes place
Sand Slit
Loan Colloids
ii) Water holding capacity of soil governed by
Type of soil Organic matter of soil
Colour of soil Alkalinity of soil
iii) is the byproduct of steel industry.
Bone meal Basic slag
Blood meal Guano meal
iv) Breaking of seed dormancy is made by the treatment of
Gibberellic acid Auxin
Cytokinin Ethylene
is associated with root nodule of leguminous plant.
Rhizobium Azolla
Bacillus E. Coii
vi) Arrangement of soil particles in referred as
Soil texture Soil Mass
Soil structure Soil organs
vii) Calcium Cyanamid contains nitrogen.
22 21
31 41
viii) is a growth retardant.
GA ABA
Cytokinin IAA
ix) is a fertilizer.
Only Potassic Complex
Only nitrogenous Only Phosphatic
Page 1 of 2
Chemical composition of single super phosphate
Ca(PO4)2 [Ca (H2PO4)2 H2O]
[3Ca (CH2PO4)2 H2O] [2Ca (CH2PO4)2 H2O]
xi) pH of Regular soil varies from
6.5 to 7.5 7.5 to 8.5
8.0 to 9.0 6.0 to 7.0
xii) Biogas is composed of
Ethane CO2 Methane CO2
Butane CO2 Isobutane CO2
xiii) is obtained from the waste products of slaughter house.
Bone meal Fish meal
Oil Cake Guano meal
xiv) microelement takes part in the synthesis of Chlorophyll
pigment.
Fe Mo
B Cl
SECTION II
Attempt any two questions from this section.
Q.2 What is soil? Describe the chemical properties of soil. 07
Describe the functions of various components of soil. 07
Q.3 What are fertilizers? Describe the manufacture of Urea. 07
Write a note on specifications of grades of ammonium phosphate. 07
Q.4 What are the practical applications of Gibberellic acid? 07
Write in brief Role of Cytokinin. 07
SECTION III
Attempt any two questions from this section.
Q.5 Use of Auxins in agriculture. 05
What are plant growth hormones? 05
What are the micronutrients? 04
Q.6 Classification of fertilizers. 05
Buffering capacity of soil. 05
Bangalore method of composting. 04
Q.7 Describe the role of Mn Mo. 05
Factors influencing the availability of micronutrients. 05
Write a short note on FYM. 04