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Biotechnology and its Applications Questions and Answers

1.

Read the following statements and choose the correct option.

Assertion (A) : While preparing a dough for bread, baking powder is added along with yeast to facilitate fermentation.
Reasoning (R) : Baking powder acts as food for yeast.

Exam Year(s)

CTET - 2026,

Answer: B

Both (A) and (R) are false.

(A) is false. Bread dough is raised either by yeast, which ferments sugar and releases carbon dioxide, or by baking powder, which releases carbon dioxide chemically when it is moistened and heated. Baking powder is not added to make the yeast ferment.

(R) is false. Baking powder is a mixture of sodium hydrogencarbonate and a mild acid such as tartaric acid; it is not food for yeast. Yeast feeds on sugars in the flour or added sugar. Since both statements are false, every option treating either as true is wrong.

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Tags: Biotechnology and its Applications Questions and Answers