The instinctual life force that energises the id is called as?

Libido

The correct answer is option 4: Libido

According to Sigmund Freud's psychoanalytic theory, the id is the primitive part of the human psyche that operates on the pleasure principle and is driven by instinctual desires. The life force that energizes the id is known as libido, which refers to the psychic energy associated with sexual and survival instincts.