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प्रश्न
Mitochondria are called powerhouses of the cell. Which of the following observations support this statement?
विकल्प
Mitochondria synthesise ATP
Mitochondria have a double membrane
The enzymes of the Krebs cycle are found in mitochondria
Mitochondria are found in almost all plants and animal cells
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उत्तर
Mitochondria synthesise ATP
Explanation:
ATP is the energy currency.
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संबंधित प्रश्न
What are respiratory substrates?
Name the most common respiratory substrate.
Differentiate between Respiration and Combustion.
What happens to the energy liberated during respiration?
Glycolysis is a process ___________.
Name the following:
An organism which respires throughout life anaerobically.
Name the following:
Aerobic respiration requires_________ .
Why is it usually difficult to demonstrate respiration in green plants?
How is tilling of the soil useful for the crops growing in it?
Fill in the blank :
_________ are the openings found on older stems.
Fill in the blank:
_____________ is a respiratory substrate
How do the following structures help in respiration in plants?
Lenticels _____________
How do the following structures help in respiration in plants?
Stomata _____________
How do the following structures help in respiration in plants?
Root hairs ____________
The following two chemical reactions are supposed to indicate a certain process occurring in the green plants under two different conditions:
(a) C6H12O6 + 6O2 → 6CO2 + _______ + 38 ATP
(b) C6H12O6 → ________ + 2 CO2 + 2 ATP
(i) Fill in the blank in each reaction.
(ii) Name the process represented by the two reactions.
(iii) What are the conditions under which the two reactions (a) and (b) are occurring respectively?
The following diagram refers to an apparatus which is used to demonstrate a physiological process:
What is the purpose of keeping boiled peas soaked in a disinfectant in test tube Y?
The following diagram refers to an apparatus which is used to demonstrate a physiological process:
Name the biological process which causes the above rise.
The following diagram refers to an apparatus which is used to demonstrate a physiological process:
Define the biological process shown in the experiment.
What do you understand by respiration?
Complete the following statement by choosing the correct alternative out of those given below.
Every living cell of the plant
The roots of a plant take up oxygen from the ______ trapped between the ______ particles.
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.
Why did the dough rise?
Explain the term “Energy Currency”. Which substance acts as energy currency in plants and animals?
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?
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
How does a tree trunk exchange gases with the environment although it lacks stomata?
