A. Produce better crop
B. Provide greater vigour
C. Are more uniform
D. All the above
Agronomy
genetic purity is assessed through…………….?
A. Inspection
B. Seed testing
C. Germination
D. All the a b c
A method of estimating seed vigour on the basis of color intensity o the stained seeds was described by…………..?
A. Germ and Keitreiber (1954)
B. Kittock and Law (1963)
C. Maguire (1963)
D. Moore (1973)
Natural water as pH equal to…………….?
A. 1
B. 4
C. 9
D. 1
The available form of nitrogen for plants is……………..?
A. NO3
B. NH4
C. Both a and b
D. non of these
Foliar application of nitrogen means applying nitrogen in solution form to……………….?
A. Whole plant
B. Leaves
C. Stem only
D. Flowers only
Tillage is field operation which help in cutting, loosening and inverting the soil for……………..?
A. Fertilization
B. Irrigation
C. Seed bed preparation
D. Transplantation
Part of embryonic axis which develops into root is called……………….?
A. Plumule
B. Radicle
C. Coleoptile
D. Coleorluza
Root nodules in plant help in………………?
A. Photosynthesis
B. Aeration
C. Nitrogen fixation
D. Respiration
There is…………….?
A. 43560 Sq ft in an acre
B. 40560 Sq ft in an acre
C. 46560 Sq ft in an acre
D. 47560 Sq ft in an acre