Yield losses of rice crop due to weed infestation are___________________?
Yield losses of rice crop due to weed infestation are___________________?
A. 10-20%
B. 5-15%
C. 20-50%
D. 20-60%
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In cotton the recommended R x R distance is_________________?
In cotton the recommended R x R distance is_________________?A. 75 cm
B. 90 cm
C. 45 cmRemoval of cellular water followed by shrinkage of protoplasm is due to
Removal of cellular water followed by shrinkage of protoplasm is due toA. Oxidation
B. Deplasmolysis
C. Osmosis
D. PlasmolysisUse of tetrazolium staining for assessment of seed quality was suggested by________________?
Use of tetrazolium staining for assessment of seed quality was suggested by________________?A. Woodstock (1973)
B. Moore (1973)
C. Maguire (1962)
D. Germ (1950)2,4-d is synthetic herbicide derived from_______________?
2,4-d is synthetic herbicide derived from_______________?A. Amino acid
B. Valine
C. Auxins
D. CytokminsControlled run off, water supplies, irrigation, soil fertility is called as_________________?
Controlled run off, water supplies, irrigation, soil fertility is called as_________________?A. Catchmento protection
B. Agriculture conservation
C. Soil protection
D. Saw logsOrganisms which feeds on dead and decaying organisms are called as_________________?
Organisms which feeds on dead and decaying organisms are called as_________________?A. Saprophytes
B. Halophytes
C. Xerophytes
D. All the above