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12th Grade Bio Minerals Quizzes , Questions & Answers

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Diatom Silica Shells Explained: The Chemistry of Glass Houses

This assessment explores the chemistry and biology of diatom silica shells, evaluating knowledge on diatom frustule composition, silicification processes, and their ecological significance. By understanding these concepts,...

Questions: 20 | Attempts: 12 | Last updated: Mar 6, 2026

Sample Question 1
What is the chemical composition of the hydrated silicon dioxide that forms the diatom frustule?

Sio2·nh2o

Caco3

Ca5(po4)3oh

Fe3o4

Mgco3

Sample Question 2
Diatoms must actively transport silicic acid from the surrounding seawater into their cells to begin the silicification process.

True

False

Sample Question 3
Which intracellular compartment is responsible for the polymerization of silica into the specific patterns seen in diatoms?

Silica deposition vesicle (sdv)

Mitochondria

Golgi apparatus

Nucleus

Endoplasmic reticulum

12th Grade Bio Minerals Quizzes , Questions & Answers

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