Concept:NCF 2005 states that teaching social sciences at the secondary stage aims to develop awareness of social and economic challenges and a holistic understanding of the environment.
Explanation:Statement A refers to exploring interests for university courses – this is an objective for the higher secondary stage, not the secondary stage.
Statement B – developing an understanding of social and economic challenges faced by the nation – is a correct objective as per NCF 2005.
Statement C – developing skills of observation, identification and classification – is an objective for the primary stage.
Statement D – holistic understanding of the environment with emphasis on natural and social institutions – is also a correct objective at the secondary stage.
Thus, only statements B and D are true.
Answer:D. Only B and D