Which of the following are the fishery by-products?
(i) Oil , (ii) Manure
(iii) Glue , (iv) Isinglass
(v) Shagreen , (vi) Leather

Options

A. (i), (ii) and (vi)
B. (iii), (iv) and (v)
C. (i), (iii) and (vi)
D. All of these

Answer

D

Explanation

Fishery by-products are fish oil (extracted from the liver of the sharks, saw fishes), fish manure (fish waste after extraction of oil), glue (obtained from the skin of the cod), Isinglass (gelatinous substance obtained from the air bladder of perches, India salmons), shagreen (skin of sharks and rays, are used in polishing wood and other materials), leather (durable type of leather is prepared from the skin of sharks and rays).