Sardar Krushinagar Dantiwada Agricultural Uiversity 2010 B.Sc Agriculture for competitive -paper11
MULTIPLE option ques.
B.Sc Agriculture
(For Competitive Examination)
____________is the process of decomposition of organic matter.
(A) Humification (B) Aminization (C) Nitrification (d) Denitrification
____________structure provides less porosity in soils.
(A) Platy (B) Spherical (C) Granular (d) Columnar
1 m.e. H+ = ______ mg Ca++.
(A) 20 (B) 40 (C) 12 (d) 25
1 me gypsum per 100 g = ________ mg/100g gypsum.
(A) 86.0 (B) 172 (C) 50 (d) 75
1 me Na+ = ______ mg Na+.
(A) 23 (B) 12 (C) 46 (d) 58
A simple method for the determination of moisture is ________
(A) Gravimetric (B) Titration (C) Neutron scattering (d)Cohesion
Accumulation of ________ in soil profile is more in calcification processes.
(A) CaCO3 (B) CaSO4 (C) CaCl2 (d) Nacl2
Ammonification involves transformation of
(A) sugar to CO2 (B) nitrate to Nitrite (C) amino acid to ammonia (d)ammonia to amino acid
As per WHO, the safe limit of nitrate content in ground water is _______mg/l.
(A) one (B) 10 (C) 100 (d) 50
At a point C:N ratio, becomes more or less constant, generally stabilizes at_____.
(A) 10:1 (B) 20:2 (C) 30:3 (d) 50:1
avg. nitrogen concentration in plant tissue is_________ %.
(A) 1.5 (B) 0.5 (C) 5.1 (d) 50
Azatobactor can fix _________ kg atmospheric nitrogen /ha to the soil.
(A) 200 (B) two (C) 20 (d) 2000
Boron content of irrigation water ranged from ___ mostly sensitive to citrus crop.
(A) 3.0 – 10.0 ppm (B) 0.3 – 1.0 (C) 30.0-100.0 (d) 30-300
Burning quality of Tobacco reduced due to
(A) chloride (B) sulphate (C) potassium (d) Phosphorus
CAN fertilizer is _______ fertilizer
(A) acidic (B) basic (C) neutral (d) None of these
Carryover fertilizer effects are more pronounced in the case of ___________.
(A) urea (B) CAN (C) SSP (d) DAP
Chemically the most active soil separate is________.
(A) sand (B) silt (C) clay (d) gravel
Clay having ____________ charge so that they attract and adsorb primarily cations.
(A) positive (B) negative (C) neutral (d) none of these
Compaction _________ bulk density of soil.
(A) increases (B) reduces (C) none of these (d)
Conversion of K to K2O is _______________.
(A) 2.1 (B) 1.2 (C) 2.2 (d) 1.32
MULTIPLE CHOICE QUESTIONS
B.Sc Agriculture
(For Competitive Examination)
|
____________is the process of decomposition of organic matter. (A) Humification (B) Aminization (C) Nitrification (d) Denitrification |
|
____________structure provides less porosity in soils. (A) Platy (B) Spherical (C) Granular (d) Columnar |
|
1 m.e. H+ = ______ mg Ca++. (A) 20 (B) 40 (C) 12 (d) 25 |
|
1 me gypsum per 100 g = ________ mg/100g gypsum. (A) 86.0 (B) 172 (C) 50 (d) 75 |
|
1 me Na+ = ______ mg Na+. (A) 23 (B) 12 (C) 46 (d) 58 |
|
A simple method for the determination of moisture is ________ (A) Gravimetric (B) Titration (C) Neutron scattering (d)Cohesion |
|
Accumulation of ________ in soil profile is more in calcification processes. (A) CaCO3 (B) CaSO4 (C) CaCl2 (d) Nacl2 |
|
Ammonification involves transformation of (A) sugar to CO2 (B) nitrate to Nitrite (C) amino acid to ammonia (d)ammonia to amino acid |
|
As per WHO, the safe limit of nitrate content in ground water is _______mg/l. (A) 1 (B) 10 (C) 100 (d) 50 |
|
At a point C:N ratio, becomes more or less constant, generally stabilizes at_____. (A) 10:1 (B) 20:2 (C) 30:3 (d) 50:1 |
|
Average nitrogen concentration in plant tissue is_________ %. (A) 1.5 (B) 0.5 (C) 5.1 (d) 50 |
|
Azatobactor can fix _________ kg atmospheric nitrogen /ha to the soil. (A) 200 (B) 2 (C) 20 (d) 2000 |
|
Boron content of irrigation water ranged from ___ mostly sensitive to citrus crop. (A) 3.0 10.0 ppm (B) 0.3 1.0 (C) 30.0-100.0 (d) 30-300 |
|
Burning quality of Tobacco decreased due to (A) chloride (B) sulphate (C) potassium (d) Phosphorus |
|
CAN fertilizer is _______ fertilizer (A) acidic (B) basic (C) neutral (d) None of these |
|
Carryover fertilizer effects are more pronounced in the case of ___________. (A) urea (B) CAN (C) SSP (d) DAP |
|
Chemically the most active soil separate is________. (A) sand (B) silt (C) clay (d) gravel |
|
Clay having ____________ charge so that they attract and adsorb primarily cations. (A) positive (B) negative (C) neutral (d) none of these |
|
Compaction _________ bulk density of soil. (A) increases (B) decreases (C) none of these (d) |
|
Conversion of K to K2O is _______________. (A) 2.1 (B) 1.2 (C) 2.2 (d) 1.32 |
| Earning: Approval pending. |
