Step 1: Understanding the concept of health preservation.
Maintaining good health involves following certain daily habits and practices that prevent diseases and promote overall well-being. These practices include maintaining cleanliness, washing hands regularly, proper sanitation, and maintaining personal and environmental cleanliness.
Step 2: Meaning of hygiene.
Hygiene refers to a set of behaviours, habits, and routines that are practiced to maintain health and prevent the spread of diseases. It includes personal hygiene, food hygiene, and environmental hygiene, all of which contribute to maintaining good health.
Step 3: Analysis of the given options.
- (A) Cleanliness: Cleanliness is a part of hygiene but does not fully represent the broad set of health-preserving practices.
- (B) Hygiene: Correct. Hygiene includes all behaviours and routines that help in preserving health.
- (C) Exercise: Exercise is important for physical fitness but does not include all health-related routines.
- (D) Safety: Safety refers to protection from danger or accidents, not specifically to health routines.
Step 4: Conclusion.
Since hygiene includes all daily habits and practices that help maintain and protect health, the correct answer is hygiene.
Final Answer:} Hygiene.