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Cell wall in diatoms is made of _______(a) Chitin(b) Pectin(c) Silica(d) CelluloseThis question was posed to me in unit test.My doubt is from Biological Classification topic in division Biological Classification of Biology – Class 11

Answer»

Right ANSWER is (c) Silica

To ELABORATE: Cell wall in diatoms is MADE up of Silica. It’s a double SHELLED cell wall that fits EXACTLY into each other like the lid of a box. Cell wall of diatoms remains in the earth even after they die and accumulate to form diatomaceous earth.



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