The Science Quiz | Want to be tickled pink out of the blue?

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The Science Quiz | Want to be tickled pink out of the blue?


Colours to dye threads that are used to make vibrant threads for embroidering the Namda carpets.
| Photo Credit: Nissar Ahmed/The Hindu

Q: X is a dye named for a rustic, related to the title of a revolt in that nation in 1859, and whose color is popularly related as we speak with denim denims. Name X.

A: Indigo

Q: Name the pure reddish-purple dye secreted as a mucus by molluscs of the household Muricidae. Until the fifteenth century, producing significant portions of the dye required 1000’s of snails and appreciable human labour. So the dye was costly and related to the elite.

A: Tyrian purple

Q: In historic India, Greece, and Mesopotamia, amongst different civilisations, this dye was prized for its sturdy crimson hue. It was produced from the desiccated lifeless our bodies of sure scale bugs. The title of the dye comes from the Sanskrit for “made by worms”. Name it.

A: Kermes

Q: The similar household of crops that produce espresso, Rubiaceae, embody the genus Rubia, whose colloquial title is Q. A dye extracted from Rubia crops’ roots imparts a pink color. In 1869, this dye turned the first pure dye to be synthesised in the lab. Name Q.

A: Rose madder

Q: _________ __ is a fluorescent dye: it absorbs some mild and re-emits it at a decrease frequency. So by including it to water, one can observe the water’s move. It’s additionally utilized in fluorescence microscopy and might be used to produce laser mild. Fill in the blanks.

A: Rhodamine 6G

Q: This is ____ _______, often known as the “father of immunology”. In 1891, he recognized a selected dye, methylene blue, to be a possible therapy for malaria. Name him.

A: Paul Ehrlich



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