A. Nicolls & Hey Decker (1968)
B. Kittock &. Law (1953)
C. Moore (1973)
D. Germ (1949)
Agronomy
Seeds of wheat, paddy and maize showed positive correlation germination (%) and viability (%) as determined by…………….?
A. Grow put test
B. Tz test
C. Test of genetic purity of seeds
D. Ageing test
Who described the method of estimating seed vigor on the basis of colour intensity of stained seed…………….?
A. Woodstock (1976)
B. Kittock and Law (1969)
C. Maguire (1962)
D. Nicolls & Heu Decker (1968)
Oka (1975) has suggested that me population size suitable for maintenance and seed production of a commercial crop of a self pollinated species should be…………….?
A. 100 plants
B. 200 plants
C. 300 plants
D. 400 plants
In rice, high silicon content, in shoot confers resistance to……………..?
A. Leaf borer
B. Stem borer
C. Root borer
D. All the above
The total dry matter produced by a plant as a resulting photosynthesis is called……………?
A. Biological yield
B. Mass
C. Physical productivity
D. None of the above
Initial vegetation that invades and occupies the area is called……………..?
A. Pioneer
B. Range
C. Resin
D. None of the above
The deficient level of N(%) in plants suggested by various workers is……………..?
A. <2%
B. <1%
C. <5%
D. 10%
Hot desert has mean annual temperature of……………….?
A. 50°C
B. 40°C
C. 30°C
D. None of the above
Removal of branches for forage is…………….?
A. Litter
B. Lopping
C. Foraging
D. None of the above