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STD 11 - 3. Plant kingdom — NEET STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 ScienceNEETSTD 11 - 3. Plant kingdom4 Marks
MCQ
Besides paddy fields, cyanobacteria are also found inside vegetative part of
  • A
    Equisetum
  • B
    Psilotum
  • C
    Pinus
  • ✓
    Cycas.
✓

Answer

Correct option: D.
Cycas.
d
(d) : Coralloid roots of Cycas have symbiotic association with blue­green algae like Nostoc and Anabaena. Coralloid roots are irregular, negatively geotropic, dichotomously branched coral like roots which do not possess root hairs and root caps.

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