If a person is getting help from his previous experiences of driving scooter…

Concept: Transfer of learning is the effect that mastering one skill or body of knowledge has on learning another. Besides the valence dimension (positive, negative, or zero transfer), it is also classified by direction: horizontal (lateral) transfer moves between two skills at roughly the same level of complexity, vertical transfer moves from a simpler, lower-order skill up to a more complex, higher-order skill built on it, and bilateral transfer is the special case of a skill practiced with one side of the body carrying over to the other side for the identical task.

Application: Here the learner already knows how to drive a scooter (balance, throttle control, basic traffic sense) and draws on that base while learning to drive a car, a more complex task that layers on clutch-and-gear coordination and judging a wider, four-wheeled vehicle. Because the earlier, simpler skill is enabling a later, more complex skill built upon it, this is Vertical transfer.

Cross-check: ruling out the other three options confirms this:

• Horizontal transfer would fit if the two skills sat at essentially the same level of difficulty (e.g. applying one simple arithmetic method to another similarly simple arithmetic problem); car driving asks for meaningfully more than scooter driving, so this label does not hold.

• Positive transfer is true only in a general sense - the earlier skill helps rather than hinders - but that label names just the direction of the effect, not the specific lower-to-higher relationship being tested here.

• Bilateral transfer would apply only if the very same task were being carried from one limb or side of the body to the other; here two different vehicles and driving tasks are involved, not one task performed with a different limb.

• The UPTET (2019, Paper 2) official answer key also keys this item to vertical transfer.

Result: Driving a scooter supplies the basic balance, throttle control, and traffic-judgment foundation, and driving a car builds on that same foundation while adding the extra coordination a four-wheeled vehicle demands - a lower-to-higher progression, i.e., Vertical transfer.