Question

In the lesson 'The world of micro organisms', what changes did you observe, in the experiment done with maida dough?​

Answer 1

Answer:

The level of dough started rising up.

Explanation:

Yeast in the dough fermented with the help of moisture (by water) in the dough. During the fermentation process, carbon dioxide gas was released as the by product of respiration and filled up the dough with CO2 bubbles, causing the dough to rise up and increased it's volume.

uses:

used in baking industry for making breads and cakes.

Answer 2

The changes that were seen in the maida dough are given below.

Explanation:

• In the chapter 'The world of micro organisms' some dry yeast powder was added to maida dough.
• Because of the yeast, the maida dough rises up and becomes double in size.
• The reason for the rising up of dough is that the yeast releases carbon dioxide gas which swells it up double in size.
• It is a very useful process to make bread, idli batter, pakora, etc.