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प्रश्न
Fill in the blank:
_____________ is a chemical which absorbs oxygen of the air.
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उत्तर
Pyrogallate of potash is a chemical which absorbs oxygen of the air.
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संबंधित प्रश्न
Do the plants respire all day and all night or only at night?
How is tilling of the soil useful for the crops growing in it?
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:

Define the biological process shown in the experiment.
What do you understand by respiration?
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?
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 was sugar added to the dough?
It is known that red muscle fibres in animals can work for longer periods of time continuously. How is this possible?
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?
