Agriculture

Soil Science
The toxicity level of Zn (mg/kg) in plants suggested by some workers is _______?
More than 10 mg-1
More than 50 mg kg-1
More than 400 mg kg-1
None of these
Author: rikazzz Comment
Animal Husbandry
Dystokia is a term applied in Lives tale for _______?
Difficult birth
Abnormal birth
Easy birth
None of these
Author: rikazzz Comment
Agronomy
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 _______?
200 plants
100 plants
300 plants
400 plants
Author: rikazzz Comment
Plant Breeding and Genetics
In half diallel, total crosses among parents are equal to _______?
P (P-1)
P (P-1)/2
P (P+1)/2
P2
Author: rikazzz Comment
Agronomy
In Sunflower, production of foundation seed requires as isolation distance of _______?
400 meters
200 meters
800 meters
100 meters
Author: rikazzz Comment
Entomology
Pesticide group which goes into the system of host and kills pest without harming host is called _______?
Systemic
Selective
Contact
Protect ant
Author: rikazzz Comment
Agronomy
The higher leachate conductivity is associated with _______?
Abnormal seeds
Immature seed?
Mature seeds
All the above
Author: rikazzz Comment
Plant Breeding and Genetics
In a population gene frequencies remain constant when there is _______?
Out breeding
Iubreeding
Random mating
Selective mating
Author: rikazzz Comment
Plant Breeding and Genetics
Mass pedigree method was developed by _______?
Harrington (1973)
Vilomorin (1980)
Falconer (1960)
Allard (91400
Author: rikazzz Comment
Animal Husbandry
Kundi is represented by its color which is _______?
Total black
White spot or fore head
Half black
Both A and B
Author: rikazzz Comment

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