This question requires matching the quality marks in List - I with their corresponding applications in List - II. Let's analyze each mark:
Matching Quality Marks
- Eco mark: This mark is awarded to products that meet certain environmental standards, indicating they are environmentally friendly. Therefore, Eco mark matches with (iv) Environmental friendly products.
- Hallmark: This is a certification of purity for precious metals like gold, silver, and platinum, commonly found in Jewellery. Thus, Hallmark matches with (vi) Jewellery.
- ISI mark: The ISI (Indian Standards) mark is a certification of quality granted by the Bureau of Indian Standards (BIS) to industrial or manufactured products. It signifies compliance with Indian standards. Hence, ISI mark matches with (i) Product certification.
- AGMARK: AGMARK is a certification mark employed since 1937 on agricultural products in India. It ensures the quality of agricultural products. Therefore, AGMARK matches with (ii) Agricultural marketing.
Final Matchings
Based on the analysis, the correct pairings are:
- (a) Eco mark - (iv) Environmental friendly products
- (b) Hallmark - (vi) Jewellery
- (c) ISI mark - (i) Product certification
- (d) AGMARK - (ii) Agricultural marketing
This corresponds to the combination (a)-(iv), (b)-(vi), (c)-(i), (d)-(ii).