“Hallmark” is used as a logo for which one of the following?

Correct option is D

Hallmark is a quality certification mark used on jewellery to certify the purity and fineness of the metal. It assures buyers of the quality and authenticity of the precious metal content.
Important Key Points:
1. Quality Certification: Ensures the purity and fineness of gold and silver jewellery.
2. BIS Hallmark: In India, the Bureau of Indian Standards (BIS) is responsible for hallmarking.
3. Consumer Assurance: Provides assurance of quality to consumers.
4. Mandatory Hallmarking: Recently made mandatory for certain types of jewellery.
5. International Standards: Hallmarking is recognized globally for quality assurance.
6. Identification: Includes details like the purity grade and the jeweller’s identification mark.
7. Prevention of Fraud: Helps in preventing the sale of inferior quality jewellery.
Information Booster:
 Agricultural Products: Typically certified by agencies like FSSAI for safety and quality.
 Electronic Goods: Often certified by standards like ISO and BIS.
 Electrical Goods: Certified for safety and efficiency by various standards.
 Jewellery: Hallmarked to certify purity and authenticity.