Concept:Indiscipline leads to behaviours such as lateness, absenteeism, and dishonesty at work, which harm national development.
Explanation:When people are undisciplined, they do not follow rules and regulations at work.
This lowers efficiency and output in offices, schools, and industries.
As a result, the country produces fewer goods and services, so national productivity falls.
High birth rate is unrelated, and the other options are less general effects of indiscipline.
Answer:A. reduces productivity.