• 1. 
    What insect was used as a source of tannic acid in the manufacture of medieval inks and dyes, creating intense black color?

  • paper wasp
  • sand wasp
  • spider wasp
  • gall wasp
  • 2. 
    Prior to 1562, Venetian gondolas were colorful and lavishly decorated. That year an edict dictated that gondolas had to be painted which color?

  • black
  • red
  • gray
  • blue
  • 3. 
    Which tree of the pea family (Fabaceae), native to Central America and the West Indies, was once an important source of black dye?

  • pitch pine
  • logwood
  • dogwood
  • hemlock
  • 4. 
    Sepia is a dyestuff obtained from the ink sacs of which creatures?

  • scorpions
  • hornets
  • honeybees
  • cuttlefish
  • 5. 
    Which is a red dyestuff consisting of the pulverized dried bodies of certain female scale insects?

  • alizarin
  • cochineal
  • indigo
  • saffron
  • 6. 
    When used as a mordant (binder) in dyeing, which chemical compound fixes dye to cotton and other fabrics, rendering the dye insoluble?

  • methane
  • nitrous acid
  • ammonia
  • alum
  • 7. 
    Which species of scale insect was used to produce a red dye that often formed part of the tribute paid to conquering Roman armies and that was accepted in the Middle Ages as payment for rent?

  • Margarodidae
  • cottony cushion scale
  • mealybug
  • kermes
  • 8. 
    Which is the chief ore mineral of mercury, which was often used by the ancient Romans to decorate murals?

  • obsidian
  • cinnabar
  • basalt
  • iron
  • 9. 
    Which is the color of the larger violins produced by Antonio Stradivari beginning in 1684?

  • blue
  • violet
  • yellow
  • red-orange
  • 10. 
    Which is an aromatic resin obtained from incisions in certain trees and used chiefly to make pale varnishes for protecting metals and paintings?

  • walnut
  • mastic
  • olive
  • kumquat
  • 11. 
    Which is a hard, brittle gum resin, obtained from trees of the genus Garcinia, that creates a bright yellow color in its powdered form?

  • amaranth
  • mustard seed
  • fallow
  • gamboge
  • 12. 
    Which member of the ginger family is used in Tibet to dye the robes of Buddhist monks?

  • turmeric
  • thyme
  • rosemary
  • poppy
  • 13. 
    Which is a greenish ceramic glaze used on stoneware?

  • vanadium
  • celadon
  • manganese
  • cobalt
  • 14. 
    Which dye prepared from benzaldehyde and dimethylaniline is used to color silk, wool, jute, and leather directly and to color cotton that has been mordanted with tannin?

  • ametrine
  • malachite green
  • garnet
  • jade
  • 15. 
    Which biennial or perennial herb in the mustard family (Brassicaceae) was formerly grown as a source of the blue dye indigo?

  • woad
  • cress
  • alyssum
  • rocket
Report Question
warning
access_time
  Time