Concept:Quality control and standardisation of products in Nigeria are handled by a dedicated government agency.
Explanation:The Standard Organisation of Nigeria (SON) is the official body empowered to set product quality standards.
Its main duty is to ensure that all products conform with government quality specifications.
SON carries out inspection, testing, and certification of goods before they are allowed into the market.
This helps to protect consumers from substandard and unsafe products.
The other options are not government regulatory bodies for product quality.
Therefore, the correct agency is the Standard Organisation of Nigeria.
Answer:A. Standard Organisation of Nigeria