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The bread or idli dough rises because of ______. - Science

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Question

The bread or idli dough rises because of ______.

Options

  • heat

  • grinding

  • growth of yeast cells

  • kneading

MCQ
Fill in the Blanks

Solution

The bread or idli dough rises because of growth of yeast cells.

Explanation:

The yeast cells grow, which causes the bread or idli dough to rise. Yeast cells secrete specific enzymes. Some enzymes transform the complex sugars found in these foods into simple sugars like glucose. Other enzymes induce glucose to ferment into alcohol and carbon dioxide, resulting in the rising of bread or idli dough.

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Chapter 2: Microorganisms : Friend and Foe - Exercises [Page 29]

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NCERT Science [English] Class 8
Chapter 2 Microorganisms : Friend and Foe
Exercises | Q 2.5 | Page 29
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