Sorghum and cotton are respectively useful for
(a) Blood purification and organic fertilizer
(b) Animal food and paper industry
(c) B vitamin and cosmetics
(d) Explosives and organic fertilizer
Sorghum, commonly known as jowar is the genus of flowering plants belonging to family Poaceae. Sorghum is approximately 10% protein and a rich source of B-group vitamins. Sorghum is used as a primary ingredient in poultry feed rations, also used as animal feed.
Gossypium barbadense, commonly known as cotton is a soft, fluffy, staple fibre belonging to the family Malvaceae. Cotton is used in paper industry. The first Chinese paper was made up of cotton fibre. Cotton pads are pads made up of cotton which are used for medicinal and cosmetic purposes. The cotton pads are used to apply or remove makeup.
So, the correct answer is 'b,c'.