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.
What would have happened if the dough was kept in the refrigerator, soon after it was prepared?
Advertisements
Solution
At low temperatures, yeasts will not multiply and respire because of which the dough will not rise and will not become sour which is required for making bhaturas.
APPEARS IN
RELATED QUESTIONS
Name the most common respiratory substrate.
What happens to the energy liberated during respiration?
Fill in the blank :
_________ are the openings found on older stems.
How do the following structures help in respiration in plants?
Lenticels _____________
How do the following structures help in respiration in plants?
Root hairs ____________
The following diagram refers to an apparatus which is used to demonstrate a physiological process:

Name the biological process which causes the above rise.
What do you understand by respiration?
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?
Explain the term “Energy Currency”. Which substance acts as energy currency in plants and animals?
RuBP carboxylase, PEP carboxylase, Pyruvate dehydrogenase, ATPase, cytochrome oxidase, Hexokinase, Lactate dehydrogenase.
Select/choose enzymes from the list above which are involved in
- Photosynthesis
- Respiration
- Both in photosynthesis and respiration
