Blindness is prevented by use of which crop in poor countries ?

Blindness is prevented by use to which crop in poor countries?

Blindness is prevented by use to which crop in poor countries?

Blindness is prevented by use to which crop in poor countries?

Blindness prevented by use of which crop in poor country?

Blindness prevented by use of which crop in poor country?

Blindness is prevented by use of this crop in poor countries

Name two main crops of our country.

Which of the following transgenic food crop help in prevention of xerophthalamia in developing countries is :