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Biological Classification question

2015 · Q19
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Biological Classification question

2015 · Q19

NEETBiologyBiological ClassificationMCQ+4 / −1
In which group of organisms the cell walls form two thin overlapping shells which fit together?
  1. A
    Dinoflagellates
  2. B
    Slime moulds
  3. C
    Chrysophytes
  4. D
    Euglenoids
View written solutionFree

Correct answer: C

Chrysophytes include diatoms and desmids. The body of diatoms is covered by a transparent siliceous shell (silica deposited in cell wall) known as frustule.

The frustule is made of two valves, epitheca and hypotheca, which fit together like a soap box.

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