Multiple choice

Directions: Read the following information and answer the given question.

Ria asked her mother to prepare idlis for her. She saw her mother adding 3-4 globules of yeast to the idli paste which she has prepared. She observed that the dough of the idli rose after some time. She had also read in a text book that yeasts are used in the brewing industry in the manufacture of alcohol.

Which of the following is a method of reproduction in yeast?

  1. Budding

  2. Regeneration

  3. Binary fission

  4. Multiple fission
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A Correct answer
Explanation

Yeast reproduces asexually through the process of budding, where a small outgrowth (bud) forms on the parent cell, enlarges, and eventually separates to become a new individual. This is different from binary fission (equal division), multiple fission (division into many), or regeneration (regrowing lost parts). The observation of dough rising is due to CO2 production during fermentation, not just reproduction.

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