Agronomy

Cotton ginning machine was invented by_______________?

A. William Black
B. Withey
C. Thomas Hough ten
D. Thomas Wilson

In China, cotton was cultivated as a crop in._______________?

A. 7th century AD
B. 4th century AD
C. 10th century AD
D. 5th century AD

Gassypium hirsutum was developed from a cross between________________?A. G.arbarieum and G. rainmundii
B. G.arbarieum and G.thurberii
C. G.arbarieum and G.barbadense
D. G.arbarieum and G.herbaceum

 

Gassypium herbaceum was originated in______________?

A. Ethipia and South Africa
B. Kenya and South Africa
C. Indonesia and Central America
D. South Mexico and Central America

Gassypium arborium is__________________?

A. Tetraploid
B. Diploid
C. Triploid
D. Haploid

Botanical name of American cotton is_________________?

A. G. hirsutum
B. G. arborium
C. G. barb dense
D. Non of these

The branch of Science which deals cultivation of land is called________________?

A. Geology
B. Agriculture
C. Horticulture
D. Petrology