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Biology · BIOLOGICAL CLASSIFICATION

हिन्दी

The sexual cycle in fungi involves three consecutive events. Which of the following precisely describes the initial step, 'plasmogamy'?

  1. Direct nuclear fusion of two haploid nuclei leading to immediate meiosis
  2. Fusion of protoplasms between two motile or non-motile gametes
  3. Meiotic reduction division inside a zygote yielding haploid spores
  4. Mitotic proliferation of vegetative somatic cells forming fruiting structures

Correct answer · Option 2

Fusion of protoplasms between two motile or non-motile gametes

Explanation

Plasmogamy is defined as the fusion of protoplasms between two motile or non-motile gametes during the fungal sexual cycle, which precedes karyogamy.
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