Sardar Krushinagar Dantiwada Agricultural Uiversity 2010 B.Sc Agriculture for competitive -paper17

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

If the solution contains [ OH-] = 10-8 g mole/l than pH of this solution will be
A 6 B 8 C 2 D 4

Parts per million is equal to
A g/l B mg/l C g/kg D mg/ml

Oxidation reaction involves
A Loss of electrons B Gain of electrons C Sharing of electrons D None of these

The example of oxidizing agent is
A NaCl B KMnO4 C Ca(OH)2 D NaOH

The example of self indicator is
A Phenolphthalein B Methyl orange C KMnO4 D Methyl red

The gram equivalent weight of KMnO4 is
A 158 B 31.6 C 63.2 D 94.8

The glass electrode is used in
A pH meter B E. C. Meter C Colorimeter D Spectrometer

Filter is used as dispersing device in
A Spectrometer B Colorimeter C pH meter D E. C. Meter

Beriberi is the disease caused by the deficiency of vitamin
A A B B1 C B6 D B12

Chlorophyll contains
A Magnesium B Manganese C Iron D Cobalt

Hemoglobin contains
A Nickel B Cobalt C Iron D Magnesium

The method used to determine available phosphorus from soil is
A Moh'r method B Versenate method C Olsen's method D Molisch's method

Fehling's B solution contains salt known as
A Raswlf salt B Benedict salt C Rochelle salt D Rock salt

Vitamin C is also known as
A Acetic acid B Formic acid C Ascorbic acid D Aspartic acid

When diacid mixture is used for digestion of plant sample, the element can not be determined from that extract is
A N B K C P D S

Fehling's A solution contains
A FeSO4.5H2O B MgSO4.3H2O C CuSO4.5H2O D ZnSO4.7H2O

Method used for the determination of lime requirement of an acid soil is
A Moh'r method B Shoemaker's method C Olsen's method D Kleinal's method

The dye used for titrimetric determination of ascorbic acid is
A Para Nitro phenol B 2,4-dinitrophenol C 2-6 di chloro phenol indophenol D 2, six dibromo phenol indophenol

At which wavelength, plant phosphorus can be estimated on Uv- vis spectrophotometer?
A 440 nm B 660 nm C 470 nm D 570 nm

Metaphosphoric acid is
A H3PO4 B H3PO3 C HPO3 D H4P2O7

Earning:   Approval pending.