Gems and Jewellery Industry

31. Which gemstone is known for its yellow color and is associated with November?
a) Emerald
b) Sapphire
c) Topaz
d) Citrine

32. Which Indian city is famous for its traditional gold and diamond jewellery, especially for weddings?
a) Kolkata
b) Hyderabad
c) Varanasi
d) Mumbai

33. What is the process of creating intricate patterns and designs on metal jewellerycalled?
a) Engraving
b) Soldering
c) Casting
d) Polishing

34. Which gemstone is known for its purple-blue color and is associated with June?
a) Emerald
b) Sapphire
c) Opal
d) Alexandrite

35. Which term refers to the process of heating gemstones to enhance their color or clarity?
a) Carving
b) Electroplating
c) Annealing
d) Heat treatment