Sardar Krushinagar Dantiwada Agricultural Uiversity 2010 B.Sc Agriculture for competitive -paper16

MULTIPLE option ques.
B.Sc Agriculture
(For Competitive Examination)

The indicator used in determination of Organic carbon from soil is
A Methylene blue B Diphenyl amine C Methyl orange D Methyl red

Determination of Fe, Mn, Zn, and Cu from plant is done by using
A FPM B SPM C AAS D EC meter

Which vitamin contains metal ion?
A Vitamin A B Vitamin C C Vitamin B12 D Vitamin B1

Soil productivity is basically a:
A Social concept B Economic concept C Physical concept D Chemical concept

Gypsum is used for the reclamation of
A Sodic soil B Heavy soil C Saline soil D Acidic soil

Decomposition of organic matter outcomes in an increase of
A Salinity B Alkalinity C Acidity D Sodicity

kg/ha = ppm x __________
A 2.24 B 4.48 C 1.12 D 1.24

The organic fertilizer is:
A Sufala B Urea C DAP D Muriate of potash

The pH value varies from
A 7.00 to 14.00 B 0.00 to 7.00 C 0.00 to 14.00 D None of these

The green manure crop is turned into soil at the stage of crop
A Germination B Harvest C Flowering D Boot stage

Requirement of phosphorus by the crop is maximum at _______ growth stage
A Initial B Flowering C Lateral D Harvest

ppb = _____________
A mg/ml B g/ml C µg/l D g/l

The salt used along with CuSO4 and FeSO4 as digestion mixture used for N estimation is
A MgSO4 B K2SO4 C Na2SO4 D ZnSO4

Vitamin A deficiency causes
A Scurvy B Beriberi C Night blindness D Dizziness

Sugar presents in milk
A Lactose B Galactose C Maltose D Fructose

Paddy crop absorbs nitrogen in form of:
A NH2 B NH4 C NO3 D N2

Organic nitrogen converted in to NH4 form is known as
A Nitrification B Ammonification C Denitrification D Immobilization

Optical Density =
A 2-logT B Log -2T C 2log-T D T-log2

The specific gravity of water
A 1.5 Mg m-1 B 1.0 Mg m-1 C 5.1 Mg m-1 D 0.1 Mg m-1

The nutrient needed for quality maintenance in potato:
A Zinc B Potassium C Iron D Phosphorus

Earning:   Approval pending.