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Plant Kingdom — BIO BOTANY STD 11 — Question

Tamilnadu BoardEnglish MediumSTD 11BIO BOTANYPlant Kingdom1 Mark
MCQ
In Chara, thallus is encrusted with …………… .
  • ✓
    calcium carbonate
  • B
    hydrogen sulphate
  • C
    silica
  • D
    ammonium carbonate
✓

Answer

Correct option: A.
calcium carbonate
calcium carbonate

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