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  • Which of the following spores has two unfused nuclei?Option: 1 TeleutosporesOption: 2 Aecio

Which of the following spores has two unfused nuclei?

Option: 1

Teleutospores


Option: 2

Aeciospores


Option: 3

Uredospores


Option: 4

All of these


Answers (1)

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Spores found in fungi

  • Zoospores are motile (flagellated) spores found in Phycomycetes.
  • Sporangiospores are non-flagellated spores that develop inside sporangia e.g. Mucor, Rhizopus etc.
  •  Conidia are non-motile exogenous spores that develop on specialised hyphae called conidiophores e.g. Penicillium, Aspergillus Etc.
  • Ascospores are non-motile sexual spores that are formed endogenously after sexual reproduction inside special sacs called ascus. An ascus generally contains 8 ascospores e.g. ascomycetes.
  • Basidiospores are non-motile sexual spores that are formed exogenously on short outgrowths called sterigmata of the club-shaped structure called basidium. E.g. basidiomycetes.
  • Binucleate spores are dikaryotic i.e. they have two nuclei which have not fused yet. Aeciospores, teleutospores, uredospores.

Teleutospores, Aeciospores, Uredospores are dikaryotic spores.

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Pankaj

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