What might be an effect of riding with improper posture?

Answer: B — Increased risk of loss of balance

Riding with improper posture can significantly compromise your balance and overall control of the motorcycle. When a rider does not maintain the correct posture—such as slouching or leaning too far forward or backward—it can lead to instability. This instability may cause the motorcycle to sway or tip, especially during turns or when encountering bumps in the road. Proper posture is essential for the distribution of weight, enabling the rider to effectively manage the motorcycle's center of gravity. Therefore, an improper posture increases the risk of losing balance, which can lead to accidents or falls. Maintaining correct posture helps ensure that a rider can react appropriately to changing road conditions and maintain better control of the motorcycle.