Respiration In Plants Question 148
Question: During the early stages of alcoholic fermentation there is a high rate of growth of yeast. After some time the rate decreases. Which of the following conditions in the culture medium is least likely to have caused this?
Options:
A) Depletion of glucose
B) Depletion of oxygen
C) Depletion of mineral salts
D) Accumulation of waste products
Show Answer
Answer:
Correct Answer: B
Solution:
[b] Yeast causes alcoholic fermentation without using oxygen and hence depletion of oxygen has no effect on the metabolism or growth of yeast cells.
BETA
