Advertisements
Advertisements
Question
A food stall owner was preparing dough for making bhaturas. He added a pinch of yeast and sugar to the dough and left it in a warm place. After few hours, the dough had risen. There was a sour smell too.
Why did the dough smell sour?
Advertisements
Solution
Production of alcohol during anaerobic respiration by yeast results in a sour smell.
APPEARS IN
RELATED QUESTIONS
One same common function is performed by?
Name the following:
An organism which respires throughout life anaerobically.
Why is it usually difficult to demonstrate respiration in green plants?
How do the following structures help in respiration in plants?
Lenticels _____________
How do the following structures help in respiration in plants?
Stomata _____________
Name the following:
The process of living beings which is concerned with the release of energy for use in the body.
Observe the figure carefully and answer the following questions.
- In which jar, will the amount of CO2 be the highest and why?
- In which jar, will the amount of CO2 be the lowest and why?
A food stall owner was preparing dough for making bhaturas. He added a pinch of yeast and sugar to the dough and left it in a warm place. After few hours, the dough had risen. There was a sour smell too.
What would have happened if the dough was kept in the refrigerator, soon after it was prepared?
Respiration requires O2. How did the first cells on the earth manage to survive in an atmosphere that lacked O2?
It is known that red muscle fibres in animals can work for longer periods of time continuously. How is this possible?
