A need is food as a motive is to:

A need is a basic requirement like food, and a motive is the drive or means to satisfy it, like money to buy food.

The correct answer is Hunger. This question tests your understanding of the fundamental psychological distinction between a need (a biological or physiological deficiency) and a motive (the psychological drive that pushes an organism to act).

Breaking Down the Analogy

• Need vs. Food: In psychology (especially in drive‑reduction theory), a need is an internal state of deprivation—for example, a lack of nutrients in the blood. Food is the external object that will satisfy that specific physiological deficiency.
• Motive vs. Hunger: A motive (or drive) is the psychological arousal that compels you to take action. Hunger is the specific motive that arises directly from the need for food. It is the internal, felt experience that pushes you to seek out and consume food.

Thus, just as "food" is the satisfying object of a "need," "hunger" is the internal drive that constitutes the "motive." The analogy works because the motive (hunger) is the psychological manifestation of the underlying biological need (for food).

Why the Other Options Are Incorrect

• Money with which to buy food (Option 2): Money is an instrumental tool—a means to acquire the satisfier (food). It is not the motive itself.
• A certain kind of food (Option 3): This is the specific goal or preference (e.g., pizza instead of salad). It represents the object of the motive, not the motive itself.
• The smell of food (Option 4): This is an external sensory stimulus (cue) that can trigger hunger, but it is not the internal psychological state of being driven to eat.

In short, a need for food creates the motive of hunger—making "Hunger" the only logically and psychologically accurate choice.