Hello aspirant,
As per your question i do understand the situation.
B.Sc. homescience is a 3 year proffessional course just like b.sc. horticulture.
B.sc. homescience
Home science involves study of english, fashion study, nutrition, health, environment, food science, human development.
B.Sc. horticulture
Horticulture is a branch of science which deals with cultivation of plants, vegetables, shrubs, bushes, flowers.

All the best.