Multiple choice

In which of the following plants, fertilization does not involve siphonogamy and the male gametes are non-flagellate?

  1. Spirogyra

  2. Selaginella

  3. Fern

  4. Pinus

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A Correct answer
Explanation

In vegetative reproduction, fragmentation takes place and Spirogyra simply undergoes the intercalary mitosis to form new filaments. Scalariform conjugation requires association of two different filaments lined side by side either partially or throughout their lengths.

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