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Information and IdeasEasyCompleting a simple inference about sourdough

Information and Ideas practice question

Sourdough bread rises without any store-bought yeast. A 'starter' — a simple mix of flour and water — collects wild yeasts from the flour itself and the surrounding air, and these organisms produce the gas that lifts the dough. Bakers feed their starters daily, keeping some lively for generations, which means that ____

Which choice most logically completes the text?

  1. A. they do not need to buy commercial yeast to make bread rise.Correct
  2. B. their bread will taste the same as bread made anywhere else.
  3. C. flour must be refrigerated to stay fresh.
  4. D. older starters produce flatter loaves.

Answer: A. they do not need to buy commercial yeast to make bread rise.

If wild yeast from flour and air makes the dough rise, bakers maintaining a starter get rising power without buying yeast.

Why the other answers are wrong

B. their bread will taste the same as bread made anywhere else.
The text says each starter picks up local organisms, which suggests breads differ from place to place.
C. flour must be refrigerated to stay fresh.
Refrigeration is never mentioned in the text.
D. older starters produce flatter loaves.
The text says some starters have been kept lively for generations, not that they weaken.

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