Advertisements
Advertisements
Question
How does a tree trunk exchange gases with the environment although it lacks stomata?
Solution
A tree trunk exchanges gas with the environment although it lacks the stomata because it has lenticels through which oxygen and other gas exchange occurs.
APPEARS IN
RELATED QUESTIONS
What are respiratory substrates?
Name the most common respiratory substrate.
Glycolysis is a process ___________.
Why is it usually difficult to demonstrate respiration in green plants?
Fill in the blank :
_________ are the openings found on older stems.
Fill in the blank :
Glycolysis occurs in the _______of the cells.
Fill in the blank:
_____________ is a chemical which absorbs oxygen of the air.
How do the following structures help in respiration in plants?
Root hairs ____________
The roots of a plant take up oxygen from the ______ trapped between the ________ particles.
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 a few hours, the dough had risen. There was a sour smell too.
Why did the dough smell sour?
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 a few hours, the dough had risen. There was a sour smell too.
Why was sugar added to the dough?
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 a 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?
Mitochondria are called powerhouses of the cell. Which of the following observations support this statement?
If a person is feeling dizzy, glucose or fruit juice is given immediately but not a cheese sandwich Explain.
When a substrate is being metabolized, why does not all the energy that released in one step. It is released in multiple steps.What is the advantage of step-wise release?
Respiration requires O2. How did the first cells on the earth manage to survive in an atmosphere that lacked O2?
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
