Father of pearl industry is

Who is referred to as 'father of pearl industry'

Mother of Pearl is

Mother of Pearl is

Mother of Pearl is

Which of the following is detrimental to pearl industry

The generic name of pearl oyster is

Pearl Oyster is

How pearls are cultured artificially in pearl industry?

The price of a necklace varies directly as the no. of pearls in it. Also it varies directly as the square root of radius of a pearl. The price of a necklace was Rs. 150. When it had 75 pearls each of radius 1 cm. Find the radius of the pearl of a neclace having 100 pearls whose cost is Rs. 600.