NEET 1994 · Class 11

Respiration in Plants

When yeast ferments glucose, the products obtained are (1994)

  1. (A)ethanol and CO2
  2. (B)methanol and CO2
  3. (C)ethanol and water
  4. (D)water and CO2

The NCERT line that answers it

Verbatim line

In fermentation, say by yeast, the incomplete oxidation of glucose is achieved under anaerobic conditions by sets of reactions where pyruvic acid is converted to $\text{CO}_2$ and ethanol.

Chapter
Respiration in Plants
Section
12.3 FERMENTATION
Page
4
Words matched
25 of 28

The answer appears as a continuous sentence in NCERT. This is that sentence.

How this line gives the answer

0, emb=1.0, combined=1.0). Verified: high — The span explicitly states that in yeast fermentation, pyruvic acid is converted to CO₂ and ethanol, which directly matches option A and distinguishes it from all other options.

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Question text is reproduced from the published NEET 1994 paper for study and commentary. NCERT text is quoted, not redistributed; textbooks remain at ncert.nic.in. Our mapping method, including its measured error rates, is published at /methodology.