1.
The branch of Science which deals cultivation of land is called________________?

2.
Botanical name of American cotton is_________________?

3.
Gassypium arborium is__________________?

4.
Gassypium herbaceum was originated in______________?

5.
Gassypium hirsutum was developed from a cross between________________?

6.
In China, cotton was cultivated as a crop in._______________?

7.
Cotton ginning machine was invented by_______________?

8.
Among the cotton exporting countries the number of Pakistan is_______________?

9.
On the basis of yield of cotton per hectare which of the following country occupies first position ?

10.
On the basis of cotton cultivated area which on of the following countries occupies first position ?