Final answer:
The outer protective covering of a kernel grain is called the husk. The husk is a good source of fiber.
Step-by-step explanation:
The outer protective covering of a kernel grain is called the husk. The husk is the tough, outer layer that surrounds the grain, protecting it from external factors.
The husk is also a good source of fiber. Dietary fiber is an important component of our diet that aids in digestion and overall health.