A. 1430 AD
B. 1435 AD
C. 1530 AD
D. 1500 AD
A. 1430 AD
B. 1435 AD
C. 1530 AD
D. 1500 AD
A. G. herbaceum and G. raimondii
B. G. arborieum and G. raimondii
C. G. hirsutum and G. raimondii
A. Central and North America
B. Central and South America
C. Central and South Asia
D. North Mexico and North America
A. Hirsutum
B. Triticum
C. Gassypium
D. Hordeunt
A. Tetraploid
B. Diploid
C. Triploid
D. Hexaploid
A. Gramineae
B. Fabaceae
C. Malvaceae
D. Leguminaceae
A. Sugarcane
B. Cotton
C. Sesame
D. Jute
A. Fertilizers and pesticides are widely used
B. Fertilizers and pesticides are net used
C. Farm yard manure r not used
D. Green manuring
A. Plants can not complete their life cycle in absence of that element
B. Nutrients has some physiological function in metabolism of plant
C. Deficiency symptoms can be removed by application of that putrid
D. All the above
A. Ale vegetation
B. Tundra vegetation
C. Conferous vegetation
D. None of the above